RB20 Network Two Way Radio USER'S MANUAL

Open the box and check the device

Please remove the radio carefully from the box. We suggest you check the accessories thoroughly according to our list before discarding the packaging. If any part is missing or damaged when you receive it, please contact us.

Supplied Accessories

• Radio body
• Antenna
• Battery
• USB Cable
• Belt clip and Screw

Preparation work

Warning: If the battery charge is not completed in normal time, please stop charging. The battery may flame, smoke or crack due to an abnormal charging process.

The battery may flame, smoke or crack.

If the battery is broken or has an abnormal odour, please remove the battery from the radio and keep it away from any flammable environments. The battery fluid is extremely flammable.

If the battery is abnormal in odour, colour, shape or in any other form, please remove it from the charger or radio and do not use.

The charger and adaptor has been designed to be used exclusively with the Radio. It ensures safety and reliability when charging the battery.

Installing And Uninstalling Of the Accessories

Installing the Lithium battery

Charge before use.

To reduce electrical emission in the battery, please remove the battery from the radio when not in use and store the battery in a cool dry place. When storing the battery for long periods of time:

• Remove battery from the radio.
• If possible, fully charge the battery before storage.

Attributes of Lithium battery

After repeated charging process, the battery capacity will decrease. The battery degenerates gradually even without being used. More time is required if charging the battery in cool conditions. Charging and storage of the battery in relatively warm conditions will jeopardize its service life. Please do not store the radio inside a vehicle or near heating equipment. If the duration of the battery shortens significantly, please replace the battery immediately to prevent any fluid leaks.

Charging the Lithium battery

After the AC adaptor is connected and the battery is placed in the charger, the indicator will show red which means the battery is charging. The green light will indicate the battery is fully charged. The light will turn off if the temperature is too high or low, the battery is damaged, the charger is damaged or the connection is poor.

Installing antenna

Hold the radio and antenna, turn the antenna clockwise until it is tightened.

Installing belt clip

If required, screw the belt clip onto the back of the radios using the two screw holes shown on the image below.

Installing SIM card

Please insert effective SIM card before use, make sure the SIM card can be effective in 4G/3G radio. Long press volume button to switch off the radio. Remove the battery by pulling down the latch, then pushing the battery backwards along the guides. Lift SIM socket cover, place SIM card in the socket in the correct position. Replace the battery.

Installing headset

Open the cover on the side of the radio to show the headset sockets. Your headset will work immediately after being plugged in.

Getting to know the radio

Antenna

Indicator light: Red for emission, Green for reception, flashing Green for no signal

Speaker

1.77 inch display

Left Keypad

Power ON/OFF switch, Volume UP/DOWN

MIC

Menu keypad

Right Keypad

PTT Push to talk: press the button then speak to the mic

Side key one: long press for Group Select

Side key two: short press for Member Select, long press to active SOS function

Belt Clip

MIC/SP Sock: plug in speaker/microphone

Battery

Introduction

Volume selector/ON/OFF switch: Long press volume button to switch ON/OFF the radio. Clockwise for volume UP, counter clockwise for volume DOWN.

Push To Talk (PTT) button: When the device is standing by (Green light will flashing slowly), press PTT button to initiate a call (red light will go on). During the call, the green light will go on to show successful reception. If not in reception, hold PTT to apply for turn to talk (red light will go on). Release the PTT to end call and go back to standing by.

Indicator light status

The green light goes on after the device is switched on. The green light flashes fast to indicate network searching. In standby mode, the green light flashes every five seconds. The green light remains on for reception, and the red light remains on for transmission.

Basic use

Switch ON

Long press volume button to switch ON the radio, there will then be a voice prompt. After the radio is successfully switched on, the green light goes on first then flashes to indicate network searching. After the network is connected, there will be a voice prompt.

Switch OFF

Long press volume button to switch OFF the radio, the light will turn off. Note: Do not frequently switch between ON and OFF, it may affect the switch function.

Volume adjustment

Revolve clockwise for volume UP and counter clockwise for volume DOWN.

Headset

Plug in headset, press the PTT button on headset (if there is one) to initiate a call, release the button to end the call.

Group/Member selection

Enter Menu and choose Group select/Member select, click right keypad to choose group/member you want to connect with, press Menu keypad to confirm and radio will come with a voice prompt.

Menu Instruction

When insert SIM and set the correct setting on the Platform: turn on the radio, it will login in the platform automatically, with the voice: welcome to use 4G IP radio, if the account is added in the platform successfully, the radio will have the Voice with the Group and User's name.

Select the Group call

There are 2 methods to start the group call:

1. Long press side key one to enter group select on homepage.
2. Press Menu key to enter the menu-group select, use [Left Arrow] or [Right Arrow] to choose the desired group.

Select the single call

There are 2 methods to start the single call:

1. Short press side key two, to enter the member menu, if there are members online, you can choose the desired one, please add members into your current group first if the group member list is empty.
2. Using the Menu key to enter the menu and press right keypad button to enter the member list, confirm to choose the desired member, if there is member online. Press the PTT button to start the single call, press back key to exit.

Select the friend

1. Add friend: login management platform and edit account to add platform friend.
2. Choose friend, enter Menu-Friend Select and then choose the friend you want to select. Press PTT to start single call and back to exit.

GPS

Checking GPS information: enter the menu, use [Right Arrow] key to GPS menu, confirm to check the latitude, longitude and satellite. Note: GPS only working outside, if it is succeed open, the GPS icon will be white.

Setting

• PTT Sound: OFF (no PTT sound), ON (PTT sound).
• Backlight: choose 15s, 20s, 30s.
• About: Version detail.
• Network: Auto (suggested), 4G mode, 3G mode (if 4G signal is not stable), 2G mode (for B5 test only).
• Version: POC version, MCU version.
• Factory: PASSWORD (checking with your local dealer).

Simple troubleshooting

If your radio shows any of the following problems, please check the instructions below and if the problem still persists then contact us.

• Poor reception: Possible reasons are signal in your current location is weak or the line is busy. If this happens, please move somewhere with improved signal or wait a while before attempting again.
• Echo or noise: A possible reason is that the quality of the network provider is flawed. Please restart the radio, this will let it automatically search for an available network with better quality.
• Less battery duration: Possible reasons are using and charging the battery in high temperature conditions or searching for a network constantly in a weak network area. If you are in an area with a weak signal, please temporarily switch OFF the radio.
• Unable to connect to a network: Possible reasons are that the SIM card is not effective, poor signal or being out of the network service area. Please try either replacing the SIM card or move to a position that is more open, i.e. if you are in a building, move nearer the window.

Software Instruction

IP address: American: 47.254.88.91 / Singapore: 47.74.211.230

1. Create account in programming software

1. Press the side key 1 then turn on the radio, you will find the screen: COM write chip NAME:4027EE8 HOST:114.141.132.4 STATE:
2. Choose the port.
3. After finished set up, press write. Then you can see the radio name in the radio's screen.

Platform Instruction

Smart PTT dispatch Management Platform

Click: Platform website. Using the account and password to enter in, you will find the interface as below:

I: For second level admin, which can not add the device, can only create the third admin or deal with the order issue.

II: for third level admin

1. Add the admin, and set the Terminal Number
2. Add the group first.
3. Add the device: Only third level admin can add the device. Add one by one or add in bulk.
4. Add the order: If the account quantity is not enough, you can add order then ask your upper level administrator to assign the account.
5. Main group and Sub-group: Nested groups definitions. Every group can be merged into a new group; it can also be merged into a new group separately; or be combined with other subgroups.
6. Return the surplus account: When the quantity for account has exceed the radios, you can return the accounts to the upper level administrator.
7. Renew the account: When your account want to expand the valid time, you need renew the validity period by this order.
8. File data: You can change the password in this interface.

Notice: when you want to delete the device in the device list, you need to ask the first-level administrator to delete.

Dispatch management platform

Note: If the Dispatch management platform has registered, the radio will be offline. The same to the radio on and dispatch management off. We suggest that the Dispatch management account is different with PTT platform.

1. In the software, turn on the GPS function

• The dispatcher should select the function for "Check Location" in the platform, so that the dispatcher can get the other radios GPS information.
• The radio should select the function for "Location" in the platform, and the radio should be outdoors to get the location. Also the programming software should be open the GPS.
• Set the IP address and GOOGLE/Baidu Map, and login in.

2. Menu in the Dispatch management platform

2.1 Group list

Group list is in the left of the Dispatch platform, which can show the group available and the member, click the group can show all the member and status. Right click, can start the Private call [?], Get location [?], Get track [➡️].

Note: The "P" means that the radio is in this group. When the radio is in the group same as dispatcher, it can receive a group call from dispatcher and transmit a group call to dispatcher.

Notice: the dispatcher will login the default group, if you want to login other group, you need modify the default group.

2.2 Temporary Group call

This is in the right side of the Menu, which can show the all users which the dispatcher chooses, can start the temporary call.

2.3 Group call

To start the group call: In the group call, choose the desired group and click twice to enter the group. Long press [PTT] to start the group call. After you choose the private call, Press "PttDown" and you can transmit the radio, and release the "PttDown" to wait for replying. The radio can press "PTT" to reply.

Notice: the continuous transmission maximum time is 50S, when you over 50S, it will exits transmit automatic.

To start the Temporary call: In the Group list, choose the desired member, right click the member, choose the Private call. Click to cancel temporary group call. If no one starts talking within 10s, the temporary call will exit automatically.

2.4 To start the private call

Private call: when the dispatcher chooses this function, it can transmit anyone in private call. Operation: click one radio you want to speak to, then right click, you can find three options: Private call [?], Get location [?], Get track [➡️].

2.5 Location in the MAP

Note: The GPS function only works outside, in the common case, it will open within 1 minutes, the weather will affected. If the GPS is succeed get the location, the GPS icon will be black, if not it will be red Icon.

2.6 Get track

You can check the radio's activity trajectory within a period of time.

1. Click one radio you want to speak to, then right click, you can find three options: Private call [?], Get location [?], Get track [➡️].
2. After you choose the get location, you can see the radio's trajectory on the map. You can also click [➡️] to get track.

Interval: 5/10/20/50S. It means the radio will uploads the GPS information in the chosen time.

The activity trajectory records will be saved for one month, and every time you can track the activity trajectory within 24 hours, for example, when the start time is 2018-7-18 14:56:45, the end time should be within 2018-07-18 14:56:46 to 2018-07-19 14:56:44.

System Specification

LTE Bands (European version)

• FDD B1: TX:1920-1980MHz, RX:2110-2170MHz
• FDD B3: TX:1710-1785MHz, RX:1805-1880MHz
• FDD B7: TX:2500-2570MHz, RX:2620-2690MHz
• FDD B8: TX:880-915MHz, RX:925-960MHz
• FDD B20: TX:832-862MHz, RX:791-821MHz
• FDD B28: TX:703-748MHz, RX:758-803MHz
• TDD B38: TX:2570-2620MHz, RX:2570-2620MHz
• TDD B40: TX:2300-2400MHz, RX:2300-2400MHz
• TDD B41: TX:2555-2655MHz, RX:2555-26555MHz
• WCDMA B1: TX:1920-1980MHz, RX:2110-2170MHz
• WCDMA 88: TX:880-915MHz, RX:925-960MHz
• GSM: 900MHz, 1800MHz

LTE Bands (American version)

• TDD B2: TX:1850-1910MHz, RX:1930-1990MHz
• TDD B4: TX:1710-1755MHz, RX:2110-2155MHz
• TDD B5: TX:824-849MHz, RX:869-894MHz
• TDD B12: TX:699-7160MHz, RX:729-746MHz
• TDD B13: TX:777-787MHz, RX:746-756MHz
• TDD B14: TX:788-798MHz, RX:758-768MHz
• TDD B66: TX:1710-1780MHz, RX:2100-2200MHz
• TDD B71: TX:663-698MHz, RX:617-652MHz
• WCDMA 82: TX:1850-1910MHz, RX:1930-1990MHz
• WCDMA B4: TX:1710-1755MHz, RX:2110-2155MHz
• WCDMA 85: TX:824-849MHz, RX:869-894MHz

RF ENERGY EXPOSURE AND PRODUCT SAFETY GUIDE FOR PORTABLE TWO-WAY RADIOS

ATTENTION!

Before using this radio, read this guide which contains important operating instructions for safe usage and RF energy awareness and control for compliance with applicable standards and regulations.

This two-way radio uses electromagnetic energy in the radio frequency (RF) spectrum to provide communications between two or more users over a distance. RF energy, which when used improperly, can cause biological damage. All Retevis two-way radios are designed, manufactured, and tested to ensure they meet government-established RF exposure levels. In addition, manufacturers also recommend specific operating instructions to users of two-way radios. These instructions are important because they inform users about RF energy exposure and provide simple procedures on how to control it. Please refer to the following websites for more information on what RF energy exposure is and how to control your exposure to assure compliance with established RF exposure limits: http://www.who.int/en/

Local Government Regulations

When two-way radios are used as a consequence of employment, the Local Government Regulations requires users to be fully aware of and able to control their exposure to meet occupational requirements. Exposure awareness can be facilitated by the use of a product label directing users to specific user awareness information. Your Retevis two-way radio has a RF Exposure Product Label. Also, your Retevis user manual, or separate safety booklet includes information and operating instructions required to control your RF exposure and to satisfy compliance requirements.

Radio License

Governments keep the radios in classification, business two-way radios operate on radio frequencies that are regulated by the local radio management departments (FCC, ISED, OFCOM, ANFR, BFTK, Bundesnetzagentur...). To transmit on these frequencies, you are required to have a license issued by them. The detailed classification and the use of your two radios, please contact the local government radio management departments. Use of this radio outside the country where it was intended to be distributed is subject to government regulations and may be prohibited.

Unauthorized modification and adjustment

Changes or modifications not expressly approved by the party responsible for compliance may void the user's authority granted by the local government radio management departments to operate this radio and should not be made. To comply with the corresponding requirements, transmitter adjustments should be made only by or under the supervision of a person certified as technically qualified to perform transmitter maintenance and repairs in the private land mobile and fixed services as certified by an organization representative of the user of those services. Replacement of any transmitter component (crystal, semiconductor, etc.) not authorized by the local government radio management departments equipment authorization for this radio could violate the rules.

FCC Requirements

This device complies with part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. (Licensed radios are applicable); This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (Other devices are applicable) (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

CE Requirements

(Simple EU declaration of conformity) Shenzhen Retevis Technology Co., Ltd. declares that the radio equipment type is in compliance with the essential requirements and other relevant provisions of RED Directive 2014/53/EU and the ROHS Directive 2011/65/EU and the WEEE Directive 2012/19/EU; the full text of the EU declaration of conformity is available at the following internet address: www.retevis.com.

Restriction Information: This product can be used in EU countries and regions, including: Belgium (BE), Bulgaria (BG), Czech Republic (CZ), Denmark (DK), Germany (DE), Estonia (EE), Ireland (IE), Greece (EL), Spain (ES), France (FR), Croatia (HR), Italy (IT), Cyprus (CY), Latvia (LV), Lithuania (LT), Luxembourg (LU), Hungary (HU), Malta (MT), Netherlands (NL), Austria (AT), Poland (PL), Portugal (PT), Romania (RO), Slovenia (SI), Slovakia (SK), Finland (FI), Sweden (SE) and United Kingdom (UK). For the warning information of the frequency restriction, please refer to the package or manual section.

Disposal: The crossed-out wheeled-bin symbol on your product, literature, or packaging reminds you that in the European Union, all electrical and electronic products, batteries, and accumulators (rechargeable batteries) must be taken to designated collection locations at the end of their working life. Do not dispose of these products as unsorted municipal waste. Dispose of them according to the laws in your area.

IC Requirements

Licence-exempt radio apparatus: This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada's licence-exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference. (2) This device must accept any interference, including interference that may cause undesired operation of the device.

RF Exposure Information

• DO NOT operate the radio without a proper antenna attached, as this may damage the radio and may also cause you to exceed RF exposure limits. A proper antenna is the antenna supplied with this radio by the manufacturer or an antenna specifically authorized by the manufacturer for use with this radio, and the antenna gain shall not exceed the specified gain by the manufacturer declared.
• DO NOT transmit for more than 50% of total radio use time, more than 50% of the time can cause RF exposure compliance requirements to be exceeded.
• During transmissions, your radio generates RF energy that can possibly cause interference with other devices or systems. To avoid such interference, turn off the radio in areas where signs are posted to do so.
• DO NOT operate the transmitter in areas that are sensitive to electromagnetic radiation such as hospitals, aircraft, and blasting sites.
• Portable Device: this transmitter may operate with the antenna(s) documented in this filing in Push-to-Talk and body-worn configurations. RF exposure compliance is limited to the specific belt-clip and accessory configurations as documented in this filing and the separation distance between user and the device or its antenna shall be at least 2.5 cm.
• Mobile Device: during operation, the separation distance between user and the antenna subjects to actual regulations, this separation distance will ensure that there is sufficient distance from a properly installed externally-mounted antenna to satisfy the RF exposure requirements.
• Occupational/Controlled Radio: this radio is designed for and classified as "Occupational/Controlled Use Only", meaning it must be used only during the course of employment by individuals aware of the hazards, and the ways to minimize such hazards; NOT intended for use in a General population/uncontrolled environment.
• General population/uncontrolled Radio: this radio is designed for and classified as "General population/uncontrolled Use".

RF Exposure Compliance and Control Guidelines and Operating Instructions

To control your exposure and ensure compliance with the occupational/controlled environment exposure limits, always adhere to the following procedures.

Guidelines:

• User awareness instructions should accompany the device when transferred to other users.
• Do not use this device if the operational requirements described herein are not met.

Operating Instructions:

• Transmit no more than the rated duty factor of 50% of the time. To Transmit (Talk), push the Push to Talk (PTT) button. To receive calls (listen), release the PTT button. Transmitting 50% of the time, or less, is important because the radio generates measurable RF energy exposure only when transmitting in terms of measuring for standards compliance.
• Transmit only when people outside the vehicle are at least the recommended minimum lateral distance away from a properly installed according to installation instructions, externally mounted antenna.
• When operating in front of the face, worn on the body, always place the radio in a Retevis approved clip, holder, holster, case, or body harness for this product. Using approved body-worn accessories is important because the use of Non-Retevis approved accessories may result in exposure levels, which exceed the IEEE/ICNIRP RF exposure limits.

Hand-held Mode:

• Hold the radio in a vertical position with the microphone (and other parts of the radio including the antenna) at least 2.5 cm (one inch) away from the nose or lips. The antenna should be kept away from the eyes. Keeping the radio at a proper distance is important as RF exposure decreases with increasing distance from the antenna.

Phone Mode:

• When placing or receiving a phone call, hold your radio product as you would a wireless telephone. Speak directly into the microphone.

Electromagnetic Interference/Compatibility (EMI)

NOTE: Nearly every electronic device is susceptible to electromagnetic interference if inadequately shielded, designed, or otherwise configured for electromagnetic compatibility.

Avoid Choking Hazard

Small Parts. Not for children under 3 years.

Safety Operation Warnings

• Turn off your radio before removing (installing) a battery or accessory or when charging battery.
• Turn off your radio when you are in a potentially hazardous environments: Near electrical blasting caps, in a blasting area, in explosive atmospheres (inflammable gas, dust particles, metallic powders, grain powders, etc.).
• Turn off your radio while taking on fuel or while parked at gasoline service stations.
• Turn off your radio in any facility where posted notices instruct you to do so, hospitals or health care facilities (Pacemakers, Hearing Aids and Other Medical Devices) may be using equipment that is sensitive to external RF energy.
• Turn off your radio when on board an aircraft. Any use of a radio must be in accordance with applicable regulations per airline crew instructions.

Protect your hearing

• Use the lowest volume necessary to do your job.
• Turn up the volume only if you are in noisy surroundings.
• Turn down the volume before adding headset or earpiece.
• Limit the amount of time you use headsets or earpieces at high volume.
• When using the radio without a headset or earpiece, do not place the radio's speaker directly against your ear.
• Use careful with the earphone maybe possible excessive sound pressure from earphones and headphones can cause hearing loss.
• Note: Exposure to loud noises from any source for extended periods of time may temporarily or permanently affect your hearing. The louder the radio's volume, the less time is required before your hearing could be affected. Hearing damage from loud noise is sometimes undetectable at first and can have a cumulative effect.

Avoid Burns

• Do not use any portable radio that has a damaged antenna. If a damaged antenna comes into contact with the skin when the radio is in use, a minor burn can result.

Batteries (If appropriate)

• When the conductive material such as jewelry, keys or chains touch exposed terminals of the batteries, may complete an electrical circuit (short circuit the battery) and become hot to cause bodily injury such as burns. Exercise care in handling any battery, particularly when placing it inside a pocket, purse or other container with metal objects.

Long transmission

When the transceiver is used for long transmissions, the radiator and chassis will become hot.

Safety Operation

• Forbid: Do not use charger outdoors or in moist environments, use only in dry locations/conditions.
• Do not disassemble the charger, that may result in risk of electrical shock or fire.
• Do not operate the charger if it has been broken or damaged in any way.
• Do not place a portable radio in the area over an air bag or in the air bag deployment area. The radio may be propelled with great force and cause serious injury to occupants of the vehicle when the air bag inflates.

To reduce risk

• Pull by the plug rather than the cord when disconnecting the charger.
• Unplug the charger from the AC outlet before attempting any maintenance or cleaning.
• Contact Retevis for assistance regarding repairs and service.
• The adapter shall be installed near the equipment and shall be easily accessible.

Approved Accessories

This radio meets the RF exposure guidelines when used with the Retevis accessories supplied or designated for the product. Use of other accessories may not ensure compliance with the RF exposure guidelines and may violate regulations. For a list of Retevis-approved accessories for your radio model, visit the following website: http://www.Retevis.com