Radtel RT-910/RT-910Б Two-Way Radio User Manual
This document provides comprehensive operating instructions, features, technical specifications, and safety information for the Radtel RT-910 and RT-910Б two-way radios.
1. Introduction
The Radtel RT-910/RT-910Б is a two-way radio designed for reliable communication. This manual guides users through its operation and features.
Manufacturer: Xiamen Radtel Electronics Co., Ltd.
Product Name: Two-Way Radio PT-910/PT-910Б
Key Features:
- Selectable High/Low Power
- Repeater Functionality
- 1750Hz Tone
Mobile App Availability: QR codes are provided for downloading the app for Android and the App Store.
Manufacturer Contact: Xiamen Radtel Electronics Co., Ltd., 502, No. 1, Zinyi Wuli, Huli, Xiamen, Fujian, China 361004. Email: support@radtel.com
2. Radio Components and Controls
2.1 Radio Layout
The radio features the following components:
- Antenna: For transmitting and receiving signals.
- Volume Knob: Adjusts audio volume.
- PTT Button: Press to transmit.
- Speaker: Outputs audio.
- Microphone: Captures voice for transmission.
- LCD Screen: Displays information and status.
- Keyboard: For inputting frequencies, menus, and commands.
- Charging Port: For connecting the charger.
- PF Buttons (PF1, PF2, PF3): Programmable function keys.
2.2 Keyboard Layout
The keyboard includes:
- Numeric Keys (0-9, *, #): Used for frequency input, menu selection, and DTMF codes.
- Function Keys:
- VFO/MR: Switches between Frequency mode (VFO) and Channel mode (MR).
- A/B: Selects the primary frequency band (A or B).
- SCAN: Initiates scanning.
- STEP: Adjusts frequency step.
- PWR: Selects transmission power (High/Medium/Low).
- SOL: Adjusts squelch level.
- TONE: Sets CTCSS/DCS tones.
- SHIFT: Adjusts repeater offset.
- DTMF: For DTMF functions.
- FM: Activates FM radio mode.
- T/R: Transmit/Receive indicator.
- EXIT: Exits menus or functions.
- OK: Confirms selection or enters menus.
3. LCD Display and Indicators
The LCD screen displays various information:
- Battery Level: ? Indicates remaining battery power.
- Signal Strength (RSSI): ? Shows the strength of the received signal.
- Zone: Displays the current zone.
- Channel Name: Shows the name of the current channel.
- Frequency: Displays the current operating frequency.
- Power Indicator: ⚡ Shows transmission power level (High/Low).
- Busy/Transmit Indicator: Indicates when the radio is transmitting or receiving.
4. Icons and Indicators
The radio uses various icons to indicate its status and functions:
| Icon | Description |
|---|---|
| CT | Analog sub-audio tone indicator. |
| DCS | Digital sub-audio tone indicator. |
| H | High power indicator. |
| L | Low power indicator. |
| N | Low power indicator. |
| W | Wideband indicator. |
| T | Frequency mode (+ frequency offset). |
| AM | AM modulation indicator. |
| SOR | Scrambler function indicator. |
| DW | Dual watch indicator. |
| MO | Monitor function indicator. |
| RSSI | Signal strength indicator. |
| AB | Band A/B indicator. |
| VOL | Volume indicator. |
| [LOCK] | Keypad lock indicator. Press and hold # to unlock. |
5. Operating Instructions
5.1 Basic Operation
- Press [OK] and use UP/DOWN keys to select a menu.
- Press [OK] again to enter the selected menu.
- Use UP/DOWN keys or the channel knob to select menu options, or enter the number via the keypad for quick access.
- Press [OK] to confirm and return to the main menu.
- Press [EXIT] to exit the menu and return to normal operation.
Note: Frequency step, repeater shift, and frequency offset can only be set in frequency mode.
5.2 Main Functions
5.2.1 Selecting Primary Frequency Band (Band A or Band B)
In standby mode, press the [A/B] key to select the primary frequency band. The highlighted frequency indicates the primary band.
5.2.2 PTT Function
When operating in Band A, press the PTT key to transmit on Band A frequency. When operating in Band B, press the PTT key to transmit on Band B frequency.
5.2.3 AM Band Mode
Press [VFO/MR] to switch to frequency mode. Enter the airband frequency directly (108 MHz to 136 MHz). The radio will automatically switch to AM receive mode, and the channel status will display AM. This mode is primarily for receiving AM modulated signals.
5.2.4 Scanning Mode
Assign the scanning function to the PF2/PF3 side keys. Alternatively, press and hold the '1' key to start frequency or channel scanning. You can select one of the following modes from Menu 22:
- Time Operated (TO): The radio stops scanning when it detects a signal and stays on that frequency. After 5 seconds, it resumes scanning even if the signal is still present.
- Carrier Operated (CO): The radio stops scanning and stays on the same frequency when it detects a signal, until the signal disappears. There is a 2-second delay before scanning resumes after the signal is lost.
- Seek (SE): When a signal is detected, the radio exits scanning mode and stays on that frequency.
5.2.5 FM Radio Reception
Long press the '0' key to activate FM RADIO. The current frequency will be displayed. Use UP/DOWN keys or the channel knob to tune frequencies. You can also enter the frequency directly. Press the OK key to switch FM RADIO bands between 65-76 MHz and 76-108 MHz. Press the '#' key to enter the automatic channel search mode. Long press '0' again to turn off FM RADIO.
5.2.6 Frequency Sweep / Frequency Copy
(Assign PF2/PF3 keys as SEARCH via Menu 22-24) This function is used to scan for frequencies and subtones of nearby radio stations for immediate communication.
After assigning PF keys as SEARCH, press the key until "SEARCH/SEEK..." is displayed. Press the MENU key to select the frequency band (UHF/VHF/200M/300M). After capturing a frequency, it will continue to search for CTCSS/DCS subtones. If no subtone is found, "NONE" will be displayed. At this point, you can press the [MENU] key to save the frequency to a specified channel, or press UP/DOWN keys to start the next frequency scan.
5.2.7 NOAA Weather Forecast
(Assign PF key as NOAA via Menu 22-24) Press the designated side key to activate this function. The radio has 10 built-in fixed frequencies. You can press UP/DOWN keys to select the frequency you wish to listen to.
Note: NOAA weather forecast is only available in countries and regions that support NOAA channels.
6. Key Combinations
Various functions can be accessed by long-pressing specific keys:
| Key Press | Function | Description |
|---|---|---|
| Long press digit 1 | SCANNING | Initiate scanning. |
| Long press digit 2 | Memory channel | Save frequency to a channel. |
| Long press digit 3 | Frequency step | Set the frequency step. |
| Long press digit 4 | Select power | Choose high, medium, or low power. |
| Long press digit 5 | Mute | Adjust squelch levels. |
| Long press digit 6 | Dual watch | Enable/disable dual watch mode. |
| Long press CTCSS | CTCSS | Set CTCSS tone. |
7. Advanced Functions
7.1 DTMF Encoding Transmission
Quick Operation: Press and hold the PTT key, then dial numeric keys 0-9, MENU, UP, DOWN, EXIT, *, and #. The radio will transmit DTMF codes 0-9, A, B, C, D, *, and #. Release the key to stop transmitting codes.
DTMF Code Editing: In standby mode, press and hold the DTMF key to enter the DTMF code editing interface. You can enter codes 0-9, OK, UP, DOWN, Exit, *, and # using the keypad. Press PTT to send the DTMF code.
7.2 PTT-ID Function
Transmit identification codes or call codes via DTMF. There are 15 sets of call codes configurable via "Programming Software → Edit → DTMF". Each signal or A/B band can independently select a call code group for transmission. Configure identification code parameters via "Programming Software → Edit → DTMF → Local ID Code". There are three transmission methods:
- Send on Press: After pressing the PTT key, the call code/ID code is sent first, followed by voice.
- Send on Release: After releasing the PTT key, the call code/ID code is sent, and then transmission ends.
- Send Both: The call code/ID code is sent both when PTT is pressed and released.
Note: Since the ID code operation is independent of the call code, if there is a conflict between the ID code and call code settings, the ID code will be sent.
7.3 Function List
The radio offers a wide range of functions accessible through menus:
| No. | Menu | Sub Menu | Parameter | Description |
|---|---|---|---|---|
| 0 | SQL | 0,...,9 | Sets the squelch level. Fully open squelch (0) allows all signals, while higher numbers require stronger signals to open. | |
| 1 | STEP | 2.50K, 5.00K, 6.25K, 10.00K, 12.50K, 20.00K, 25.00K, 50.00K | Selects the frequency change increment in VFO/frequency mode when scanning or pressing UP/DOWN keys. | |
| 2 | TXP | HIGH, MIDDLE, LOW | Selects transmission power: High, Medium, or Low. | |
| 3 | SAVE | 1.Normal, 2.Super, 3.Deep | Power saving modes. Select the ratio of sleep and wake cycles (e.g., 1:1, 2:1, 3:1). Higher numbers mean longer battery life but may miss the start of transmissions. | |
| 4 | GOKS | OFF, 1,...,9 | VOX function sensitivity. When enabled, transmission starts automatically when the microphone audio level reaches the set threshold. | |
| 5 | R-CTCSS | OFF, 67.0Hz,..., 254.1Hz | Sets CTCSS tones. | |
| 6 | R-DCS | OFF, D023N,..., D754I | Sets DCS codes. | |
| 7 | BEEP | ON/OFF | Enables/disables the key press confirmation beep. | |
| 8 | DW | ON/OFF | Dual watch mode. Allows monitoring of two frequencies simultaneously. | |
| 9 | PROMPT | ON/OFF | Enables/disables voice prompts for key presses and menu selections. | |
| 10 | MEMCH | 001,..., 256 | Used to create new channels (0-256) for MR/Channel mode. 'CH-' indicates a saved channel. | |
| 11 | DELCH | 001,..., 256 | Deletes a saved channel. | |
| 12 | DELCH | 001,..., 256 | Deletes a saved channel. | |
| 13 | R-DCS | D023N,..., D754I | Sets DCS codes. | |
| 14 | R-CTCSS | 67.0Hz,..., 254.1Hz | Sets CTCSS tones. | |
| 15 | T-DCS | OFF, D023N,..., D754I | Sets DCS tones for transmission. | |
| 16 | VOICEPRI | OFF/ON | Voice priority function. | |
| 17 | ENCRYPTION | OFF/ON | Subtone encryption. Prevents unauthorized listening on the same frequency. | |
| 18 | CH-NAME | [Input] | Enter channel name. Press # to switch input method. | |
| 19 | ROGER BEEP | ON/OFF | Sends a Roger Beep tone to signal the end of transmission. | |
| 20 | TONE | 1200Hz, 1450Hz, 2100Hz | Sends specific tones. | |
| 21 | VOICE | ON/OFF | Voice prompts ON/OFF. | |
| 22 | HA | ON/OFF | Voice prompts ON/OFF. | |
| 23 | PF2 | SOS/LAMP/RADIO/TXPOWER/SCANNING/SEARCH/NOAA | Assigns a function to PF2 for short press. | |
| 24 | PF2 | SOS/LAMP/RADIO/TXPOWER/SCANNING/SEARCH/NOAA | Assigns a function to PF2 for long press. | |
| 25 | PF3 | SOS/LAMP/RADIO/TXPOWER/SCANNING/SEARCH/NOAA | Assigns a function to PF3 for short press. | |
| 26 | COMPENSATE | 0.0000 | Frequency difference between transmit and receive. | |
| 27 | TX-A/B | ON/OFF | Enables/disables repeater mode. OFF: No repeater shift. | |
| 28 | TX-A/B | ON/OFF | Enables/disables repeater mode. OFF: No repeater shift. | |
| 29 | S-CODE | 1,2,3...15 | DTMF signal codes. | |
| 30 | DTMF BOT | ON/OFF | Transmit DTMF code when PTT is pressed. | |
| 31 | DTMF EOT | ON/OFF | Transmit DTMF code when PTT is released. | |
| 32 | DTMF BOTH | ON/OFF | Transmit DTMF code on both PTT press and release. | |
| 33 | DTMFST | OFF, DT-ST, ANI-ST | When transmitting (press PTT), enter DTMF code; radio will not emit sound code. | |
| 34 | DTMFST | OFF, DT-ST, ANI-ST | When transmitting (press PTT), enter DTMF code; radio will emit sound code. | |
| 35 | DTMFST | OFF, DT-ST, ANI-ST | When transmitting (press PTT), automatic DTMF code transmission; radio will emit sound code. | |
| 36 | RPT-STE | 1,2,3,4,5....10C | Repeater tail elimination (1-10 sec). | |
| 37 | RPT-RL | 1,2,3,4,5....10C | Repeater tail tone delay (1-10 sec). | |
| 38 | MDF-A | FREQ, CH, NAME | Displays frequency, channel, or name for Band A. | |
| 39 | MDF-B | FREQ, CH, NAME | Displays frequency, channel, or name for Band B. | |
| 40 | TX-A/B | ON/OFF | Enables/disables repeater mode. OFF: No repeater shift. | |
| 41 | MDF-A | FREQ, CH, NAME | Displays frequency, channel, or name for Band A. | |
| 42 | TX-A/B | ON/OFF | Enables/disables repeater mode. OFF: No repeater shift. | |
| 43 | STE | ON/OFF | Eliminates squelch tail noise. | |
| 44 | AL-MOD | ON-SITE, SEND ALARM, SEND CODE | Send alarm signal or alert signal. | |
| 45 | SQUELCH | VFO/OFF | Squelch function. | |
| 46 | REBOOT | [Input] | Menu initialization. | |
| 47 | ENCRYPTION | OFF/ON | Voice scrambler function. Provides two scramble frequencies. |
8. Technical Specifications
| Parameter | Specifications |
|---|---|
| Channels | 999 |
| Antenna | Dual-band U/V/Wide Antenna |
| Frequency Stability | ±2.5 ppm |
| Dimensions | 11 x 5 x 4 cm |
| Weight | 280g |
| Operating Temperature | -20 °C to +60 °C |
| Antenna Impedance | 50 Ohm |
| Sensitivity | FM (12dB SINAD): -121dBm WFM (20dB SINAD): -110dBm AM (10dB S/N): -113dBm |
| Audio Output Power | ≥0.5 W |
| Audio Distortion | ≤5% |
| Emission Current | ≤2A |
| Max Frequency Deviation | ≤5KHz@25KHz / ≤2.5KHz@12.5KHz |
| Modulation Distortion | ≤5% |
| Spurious Emission | ≤7.5 μW |
| Transmit Power | ≤5 W |
9. Safety and General Information
This section provides important safety precautions and general information regarding the use of the radio.
- Proper Use: Use the equipment only for its intended purpose. Improper use may void the warranty.
- Repairs: Do not attempt to repair the equipment yourself. Contact authorized service centers.
- Powering On/Off: Use the ON/OFF button; do not repeatedly turn the unit on and off or install/remove the battery.
- Accessories: Install batteries and accessories correctly as per the manual.
- Antenna: Do not transmit with a damaged antenna.
- Transmission Duration: Avoid transmitting for extended periods.
- Antenna Contact: Do not touch the antenna with your body during transmission.
- Malfunctions: If the radio or charger malfunctions (e.g., smoke, burning smell), turn it off immediately, unplug the charger, and contact support.
- Ventilation: Do not insert objects into speaker openings or ports.
- Volume: If using an external headset, keep the volume at a moderate level to avoid hearing damage.
- Environment: Avoid exposing the radio or charger to water, direct sunlight, heat sources, dust, fire, or explosive conditions. Do not leave the radio in a hot vehicle.
- Condensation: If condensation occurs, wipe with a dry cloth and let it dry before use.
- Liquids: Do not place liquids on the radio.
- Interference: If the radio causes interference with other electronic devices, disconnect it from those devices.
- Prohibited Areas: Do not use the radio in areas where its use is restricted or prohibited (e.g., areas with flammable gases, explosive atmospheres, or where it may interfere with other equipment).
- Driving: Do not use the radio while driving. Use hands-free systems (VOX) and follow traffic regulations.
- Cleaning: Clean the equipment with a dry, anti-static cloth or a slightly damp cloth. Do not spray liquids directly onto the radio. Avoid using abrasive cleaners or solvents.
- Incompatible Accessories: Using incompatible accessories may impair performance and void the warranty.
- Battery Replacement: Risk of explosion if the battery is replaced with an incompatible type.
10. RF Exposure and Compliance
10.1 RF Exposure Information
Your wireless portable transceiver transmits radio frequency (RF) signals when the talk button is pressed. The device is authorized to operate at a duty factor not exceeding 50%. The FCC has adopted RF exposure guidelines for portable wireless devices.
FCC RF Exposure Requirements: This radio has been tested and meets FCC RF exposure guidelines when used with Radtel-supplied or designated accessories. Use of other accessories may not guarantee FCC RF exposure compliance. Use only the supplied antenna. Unauthorized antennas, modifications, or attachments may damage the transmitter and violate FCC rules.
Normal Position: Hold the transmitter approximately 25 mm from your face and speak in a normal voice, with the antenna pointed up and away.
10.2 ISEDC Warning (Canada)
This product complies with Industry Canada's applicable technical specifications. Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
ISEDC Radiation Exposure Statement: This device has been tested for body-worn operation and meets FCC/ISEDC RF exposure guidelines when used with an accessory that is intended for this product or when used with a non-metal accessory that positions the device a minimum of 25 mm from the face. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
10.3 FCC Warning (USA)
This device complies with Part 15 of the FCC Rules. Operation is subject to two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
FCC Radiation Exposure Statement: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
11. Radio License
Governments regulate radio stations. Most licensed radios must be transferred through local authorities. For classification details, consult local radio authorities. For USA/CA FRS, Australian CB, EU PMR446, individual licenses are not required.
12. CE Marking
The CE marking indicates that Xiamen Radtel Electronics Co., Ltd. declares that the radio equipment type complies with Directive RED 2014/53/EU, Directive ROHS 2011/65/EU, and Directive WEEE 2012/19/EU. The full text of the EU declaration of conformity is available in this manual or at www.radtels.com.
