Radtel RT-860 User Manual: Two-Way Radio Operation Guide

Precautions

Please observe the following precautions when using this product to avoid fire, personal injury, damage to equipment or other accidents:

Do not use the equipment in inflammable and explosive environments (such as gas, dust, smoke, etc.). Please turn off the equipment when refueling or parking at a gas station.
Do not place the equipment in dusty, wet, or splashed places or on uneven surfaces.
Please use this equipment away from interference sources (such as TV, computer, distribution cabinet, etc.).
Do not transmit while charging.
Do not use the radio while driving.
Do not expose the device to direct sunlight for a long time or place it near a heating device.
If the equipment emits abnormal odor, it must be turned off immediately. After ensuring safety, it should be sent to the nearest maintenance site for inspection.
Do not modify or adjust this equipment for any reason.
Please obey the local laws and regulations.

Disclaimer:

The customer shall bear all responsibility for equipment failure or accidents caused by the customer's violation of the above precautions. The company shall not be responsible for such incidents.

Familiar with Radio

The Radtel RT-860 radio features several key components for operation and communication:

Top: Short/Medium/Long Wave FM Antenna, ON/OFF/Volume Knob, Indicator light.
Side (Left): Alarm Button, PTT (Push-to-Talk) button, Side-key 1, Side-key 2.
Front: Speaker, MIC (Microphone), Display Screen, Keypad.
Bottom: Earpiece/Programmable Jack, Type-C Charging Port.
Rear: Battery compartment.

Keypad Function

Keys	Function
PTT	Transmit or Exit
Alarm Key	Definable long press and short press functions. Can be selected as secondary PTT via Menu, and definable function is not available.
Side key 1	Definable long press and short press functions
Side key 2	Definable long press and short press functions
▲	DTMF: A, Switch upwards
○	Short press to confirm or enter into menu. Long press to enter DTMF inputting while under standby status, or to exit while under menu interface.
▼	DTMF: C, Switch downwards
0	Short press: input number 0. Long press: definable functions. DTMF: 0. To input Number 0 or Space Bar.
1	Short press to input Number 1. Long press to definable functions. DTMF: 1. To input Number 1/English Letters/Chinese Characters.
2-9	Short press to input Number 2-9. Long press to definable functions. DTMF: 2-9. To input Number 2-9/English Letters/Chinese Pinyin Codes.
*	Short press to switch from channel frequency/channel number/channel Alias. Long press to lock the keypad. DTMF: *. To Delete.
#	Switch working mode from VFO frequency mode/channel mode/zone mode. DTMF: #. To activate inputting status and switch input methods.

LCD Display

The LCD display provides essential information about the radio's status and operation. The numbered indicators on the display correspond to the following:

VFO MODE / CH MODE / ZONE-XXX Mode (XXX indicates current working zone)
Main frequency icon
Channel number
AM or FM Analog RX modulation
CTC analog channel with sub-tones / DCS analog channel with digital sub-tones / ENC analog channel with encrypted sub-tone / MUT analog channel with decoded sub-tone
H/L: High/Low Power
W/N: Wide/Narrow Band
Sub-display information
Main Display information
RSSI Value (Received Signal Strength Indicator)
Battery Power
Beep indicator
Dual standby
Scanning indicator
R-Talk around / T-Freq Inverse
Keypad Lock indicator
Signal Icon

Basic Set (Menu 01)

This section covers fundamental settings including Key Define, Analog Set, Channel Set, Zone Set, FM Radio, and Time Management.

Menu	Sub Menu	Function
01 Name/Callsign	Edit name	Set radio name or callsign. Press '*' to delete input, press '#' to select input method.
02 Voice Prompt	On/Off	Turn on/off voice prompt.
03 Key Beep	On/Off	Turn on/off keypad beep.
04 Lock Timer	Off, 5s-600s	The time to lock keypad.
05 Brightness	0-6 level	Choose the brightness level of the background light.
06 Backlight	On/Off	Turn on/off display backlight.
07 Light Timer	Off, 5s-600s	The time to turn off the backlight.
08 Menu Exit	Off, 5s-600s	The time to exit menu.
09 State Timer	Off, 5s-600s	Show voltage, time, date.
10 Dual Standby	On/Off	Select dual standby or single standby.
11 TX priority	Edit	Always transmit at main band.
	Busy	Switch to busy channel as the main band.
12 Freq Step	0.25K, 1.25K, 2.5K, 5K, 6.25K, 10K, 12.5K, 20K, 25K, 50K, 100K, 500K, 1M, 5M	Set the frequency or scan step.
13 Talk Around	Off, Talk Around, Invert Freq	Set repeater mode or normal mode.
14 Save Mode	Off, 1:1-1:3	Set the power saving ratio.
15 Scan Mode	CO	The walkie-talkie stops scanning and remains at the same frequency when it detects a signal; until the signal disappears. There is a 2-second delay between signal disappearance and scan recovery.
	TO	When the walkie-talkie detects a signal, it stops scanning and remains at the same frequency. After preset item, the walkie-talkie will continue scanning even if the signal is still present.
	SE	Upon detecting a signal, the walkie-talkie exits the scan and remains at this frequency.
16 Scan Direction	UP, DOWN	Set the scanning direction.
17 Scan Dwell	0-30	Set the scan stop time for TO scan mode.
18 Scan Return	Original CH	Set the current channel after scanning.
	Current CH	Set the current channel after scanning.
19 Alarm Type	Local Alarm	Radio emits the alarm sound.
	Remote Alarm	Sends an alarm sound to other radios, but this radio does not emit any sound.
	Local+Remote	Both radios emit alarm sound.
20 Main PTT TX	Area A	Transmit in main area or always transmit in A area.
	Main Area	Transmit in main area or always transmit in A area.
21 Dual Display	Dual	Dual display or Single display.
	Single	Dual display or Single display.
22 Area A Mode	CH mode	Set the Channel mode, Frequency mode or zone mode.
	Zone mode	Set the Channel mode, Frequency mode or zone mode.
	Freq mode	Set the Channel mode, Frequency mode or zone mode.
23 Area A Show	Show CH No	Set the display way in the selected mode.
	Show Freq	Set the display way in the selected mode.
	Show Alias	Set the display way in the selected mode.
24 Area A Zone	Zone1-Zone256	Set the zone numbers.
25 Area B Mode	CH mode	Set the Channel mode, Frequency mode or zone mode.
	Zone mode	Set the Channel mode, Frequency mode or zone mode.
	Freq mode	Set the Channel mode, Frequency mode or zone mode.
26 Area B Show	Show Freq	Set the display way in the selected mode.
	Show Alias	Set the display way in the selected mode.
	Show CH No.	Set the display way in the selected mode.
27 Area B Zone	Zone-001-Zone-256	Set the zone numbers.
28 Save CH	CH-0001-CH-1024	Save the frequency and tone into channels.
29 Delete CH	CH-0001-CH-1024	Delete the frequency and tone in this channel.
30 Instruction	barcode	Scan barcode to get user manual.
31 LCD Contrast	0-30	Display contrast; higher value means deeper contrast. A restart is required after setting.
32 Freq Input	6 bits	Input frequency in 6 bits or 8 bits.
	8 bits	Input frequency in 6 bits or 8 bits.
33 Initialization	Cancel	Confirm or cancel the initialization.
	Ensure	Confirm or cancel the initialization.
34 Version		Show the version information.

Key Define (Menu 02)

Menu	Sub Menu	Function
01 Slaver PTT	On, off	Set the side key 1 as the PTT button.
02 Side key 1 S	None,	Set the side key 1, side key 2, Num0-9 short press or long press.
03 Side key 1 L	Monitor	Set the side key 1, side key 2, Num0-9 short press or long press.
04 Side key 2 S	H/L Power	Set the side key 1, side key 2, Num0-9 short press or long press.
05 Side key 2 L	Dual standby	Set the side key 1, side key 2, Num0-9 short press or long press.
06 Alarm Key2 S	Tx priority,	Set the side key 1, side key 2, Num0-9 short press or long press.
07 Alarm Key2 L	Scanning,	Set the side key 1, side key 2, Num0-9 short press or long press.
08 0 Press Long	Backlight on/off	Set the side key 1, side key 2, Num0-9 short press or long press.
09 1 Press Long	Roger beep	Set the side key 1, side key 2, Num0-9 short press or long press.
10 2 Press Long	Radio,	Set the side key 1, side key 2, Num0-9 short press or long press.
11 3 Press Long	Talkaround	Set the side key 1, side key 2, Num0-9 short press or long press.
12 4 Press Long	Alarm,	Set the side key 1, side key 2, Num0-9 short press or long press.
13 5 Press Long	Freq Detect	Set the side key 1, side key 2, Num0-9 short press or long press.
14 6 Press Long	CTC/DCS scan	Set the side key 1, side key 2, Num0-9 short press or long press.
15 7 Press Long	Send Singel Tone	Set the side key 1, side key 2, Num0-9 short press or long press.
16 8 Press Long	Status Query	Set the side key 1, side key 2, Num0-9 short press or long press.
17 9 Press Long	RX AM/FM Switch	Set the side key 1, side key 2, Num0-9 short press or long press.
	Spectrum	Set the side key 1, side key 2, Num0-9 short press or long press.
	SQ	Set the side key 1, side key 2, Num0-9 short press or long press.
	Freq Step	Set the side key 1, side key 2, Num0-9 short press or long press.
	Save CH	Set the side key 1, side key 2, Num0-9 short press or long press.
	VOX	Set the side key 1, side key 2, Num0-9 short press or long press.
	Deep Sleep	Set the side key 1, side key 2, Num0-9 short press or long press.
	Noaa mode	Set the side key 1, side key 2, Num0-9 short press or long press.

Analog Set (Menu 03)

Menu	Sub Menu	Function
01 SQ level	0-10	Setting the squelch to off will open up the squelch entirely. Squelch silences the receiver when there is no signal. Lower levels are easier to interfere, higher levels reduce sensitivity. Best to set to middle.
02 TX Start Tone	On, off	The tone before transmitting.
03 TX End Tone	OFF, Roger Beep 1, Roger Beep 2, Send Radio Name	The tone ending transmission or sending radio name.
04 Single Tone	1750Hz	Edit the tone frequency in Key Define.
05 Mic Gain	0-31	Adjusts the microphone sensitivity; higher value means higher sensitivity.
06 SPK Gain	0-63	Adjusts the speaker volume; higher value means higher volume.
07 Glitch TH	0-10	Set Glitch threshold value.
08 Detect Range	Frequency range	Set the frequency range to detect frequency from other radios.
09 Repeater Delay	0-2000ms	Set the repeater delay time.
10 DTMF Delay	0-2000ms	Set DTMF delay time.
11 DTMF Interval	30-200ms	Set DTMF Interval time.
12 DTMF Duration	30-200ms	Set DTMF Duration Time.
13 DTMF Mode	Off, Tx Start & End	Set transmit the DTMF code.
14 DTMF Select	DTMF-01-DTMF-16	Select DTMF code 1-16.
15 DTMF Display	On, off	Turn on/off display DTMF decode.
16 DTMF TX Gain	0-127	Set DTMF Transmit Gain.
17 DTMF RX TH	0-63	Set DTMF Receive threshold.
18 DTMF Control	0-2000ms	Turn on/off DTMF control.
19 Time Calibrate	On, off	Remote Time Calibrate.
20 RSSI Refresh	0-5
21 VOX	0-245
22 VOX Delay	On, off
23 VOX TH	On, off

Channel Set (Menu 04)

Menu	Sub Menu	Function
01 CTC/DCS	Off,#Switch Type	Set up RX and TX sub-tone of current channel.
02 RX CTC/DCS	Off,#Switch Type	Set up RX sub-tone of current channel.
03 TX CTC/DCS	Off,#Switch Type	Set up TX sub-tone of current channel.
04 Set TX Freq	454.525MHz	Set TX frequency of current channel.
05 DCS Encrypt	Standard	Current channel uses standard sub-tone.
	Encrypt 1	Encrypt standard DCS and only available for DCS.
	Encrypt 2	Encrypt standard DCS and only available for DCS.
	Encrypt 3	Encrypt standard DCS and only available for DCS.
	Mute code	Replace the sub-tone of current channel with mute code.
06 Mute Code	00000000	Non standard sub-tone obtained using 'freq detect' function.
07 Band Width	Wide/Narrow	The bandwidth occupied by the channel.
08 Tail Tone	Off, on	At the end of TX, eliminate the receiver's tail sound.
09 Scrambler	Off, 1-8	Interference frequency added to speech.
10 Busy Lock	Off	Allow transmission upon receiving signal.
	Carrier Match	When receiving a signal, transmission is not allowed.
	CTC/DCS Match	Transmission is only prohibited when CTC/DCS matches.
11 TX Power	Low, High	Set the transmission power to high or low.
12 Scan Add	Add, Remove	Add the current channel to the scanning queue.
13 TOT	Off, 5S-60S	The time allowed for continuous transmission on the current channel.
14 CH Alias		The alias of the current channel.
15 Offset Dir		Set frequency offset direction of the current channel.
16 Offset Freq	000.00000MHZ	Set frequency direction of the current channel.
17 AM/FM RX	FM, AM	Set the demodulation standard of the current channel.

Zone Set (Menu 05)

There are 256 zones for setting. Each zone name and its channels can be edited. There are 1024 channels in each zone.

Radio (Menu 06)

Menu	Sub Menu	Function
01 RX Standby	Off, on	Exit the radio or not when there is a call signal.
02 Channel List	Edit Name	Exit the alias of the current radio channel.
	CH001-CH128	Set As Current	Set this channel as the current radio channel, then enter the radio and make the channel alias effective.

Time Message (Menu 07)

Menu	Sub Menu	Function
01 APO	Off, on	Set auto power on/off.
02 APO Timer	Power off timer	Set power off timer.
03 AWU	Off, on	Timed exit from APO sleep state.
04 AWU Timer	0000:30:00	The time to automatically exit APO sleep state.

Extended: GPS (Menu 08)

Note: This function is optional; the radio may not have this function.

Function Description

1. Input Frequency

Switch working mode to VFO frequency mode by pressing the '#' key.
Input frequency via number keys, input 6 or 8 digits. Menu [Radio Set] → [6 or 8 Bits Input] to set the inputting digits.

2. Input Repeater Frequency

Method 1

Enter into Menu [Channel Set] → [Offset Freq] to input frequency difference via number keypads.
Enter into Menu [Channel Set] → [Offset DIR] to set frequency upwards and downwards.

Method 2

Long press the '#' button to enter into [TX Frequency] and input TX frequency, press '○' to confirm then go back to previous menu. Press '▲' to set CTCSS/DCS.

3. Transmitting

Press PTT to transmit at current frequency; the indicator lights up red.
Press Menu [Basic Set] → [Main PTT TX] and set up as [Area A]. Press PTT button to transmit at A frequency always. If set up as [Main Area], it will transmit at main frequency all the time.
Turn on [Key Define] → [Slaver PTT]; the shortcut function of side-key 1 is invalid. Press side-key 1 to transmit at B frequency.

4. Receiving

The indicator lights up green while receiving. If there is no RX sub-tone, or the sub-tone matches, the speaker works.

5. DTMF

5.1 DTMF Inputting and Sending

Press '○' to enter DTMF inputting interface while under standby status.
Press numeric keys to input DTMF codes, press '*' to delete the last code (short press side-key 1 to delete when it doesn't use as second PTT).
Press PTT to call; the device will send DTMF code to receiver after appointed delay time.

5.2 While the device enters receiving status, the display will show the sender's DTMF code if DTMF decoding is turned on.

5.3 Press keypads to send relative DTMF code while under analog transmitting status.

5.4 DTMF Remote Monitor

Open the DTMF Control setting in (Analog Set).
Other radios send DTMF code with the same monitor code to this radio.
After decoding successfully, the radio will transmit for 60 seconds automatically to enable remote monitoring.

5.5 DTMF Stun/Kill/Activate

Set up a DTMF code for Stun/Kill/Activate, and turn on [DTMF Control].
Other radios will perform Stun/Kill/Activate to this radio when they send the relative DTMF code.

The radio cannot be used until it receives the activate code once it is in Kill status. The radio can receive, but cannot input anything via keypad or transmit once it is in Stun status.

Note: An Activate code should be set up once a Stun/Kill code is set up, otherwise the device cannot be activated.

6. Text Input

6.1 Press '#' to switch inputting methods, press '*' to delete inputting when under text input status.

6.2 Press number keys [123] to input numbers.

6.3 English Letters Inputting [AB] [abc]

Numbers 2-9 can input relative English letters, press Number 0 to input space, Number 1 to input English symbols.
Press the same button to switch to different letters.

7. Function of Definable Keys

[Monitor]: Enter into receiving and playing status once this key is triggered.
[H/L Power]: Switch high/low power of the current channel.
[Dual Standby]: Turn on/off dual standby. The power saving mode is invalid once dual standby turns on.
[TX Priority]: Switch priority RX to [Edit] or [Busy]. Once set up to Busy status, the main frequency will shift to the calling frequency automatically when the calling ends.
[Scanning]: Press this button to enter into scanning status, and press arbitrary keys to exit.
[Backlight On-off]: Press to turn on/off backlight.
[Roger Beep]: Switch the RX end tone types.
[FM Radio]:
1. Press the defined side button to enter into FM status, press PTT to exit.
2. The cursor position can be switched using the '*' key. Use the '►' icon to show the current setting.

Current setting: 1 is for input frequency, 2 is for changing the channel number, with a total of 128 channels available. 3STEP is for step frequency, 4BW is for receiver bandwidth, 5LNA is for receiver signal gain (which is actually attenuation), 6AGC is for beat frequency, mainly used for adjusting audio distortion when receiving single-sideband signals. (Press '▲'/'▼' to switch selected sub menu)

To switch between different bands, press and hold the '#' key. A short press of the '#' key switches between the shortwave (SW), medium wave (MW), and longwave (LW) bands, as well as between upper sideband (USB), lower sideband (LSB), and continuous wave (CW) modes.

Press '#' button to switch FM modulations. There are four types to switch from: USW (Ultra Short Wave: 64-108MHz), SW (Short Wave: 2.3-26.1MHz), MW (Medium Wave: 520-1710KHz), LW (Long Wave: 153-279KHz).

Note: USW is fixed to FM modulation and cannot change. Other bands can switch to AM/USB/LSB/CW.

Note: When using single side band (USD/LSB) modulation, if there is sharp sound, turn down BFO value. If there is deep sound, turn up BFO value.

[Talkaround]: To switch repeater frequency to Talk-Around or Frequency Reverse. To transmit at RX frequency under Talk-Around status. To interchange frequency of RX and TX under frequency reverse mode.
[Emergency Alarm]: Press the button to enter into emergency alarm status and make an alarm sound, press arbitrary keys to exit.
[Freq Detect] / [Remote CTC/DCS Scan]:
1. Press this button to enter into frequency detecting or remote sub-tone decoding mode, and the device will scan the RX signal nearby.
2. Press '0' button to switch from frequency detecting to remote sub-tone decoding.
3. Press '*' or PTT to exit during frequency detecting, press '#' to switch detecting bands.
4. Press '*' to re-detect after detecting done. Press '○' to save detecting results to VFO channels, and return to VFO standby mode. Press PTT to transmit signals.
[Send Single Tone]: Press this button to transmit a single frequency signal at current frequency.
[Status Query]: Press this button to check time, battery power etc.
[Remote Monitor]: Available for digital channels and Individual Call Contact. Press this button to make a 15-second call to monitor the surrounding sounds.
[RX AM/FM Switch]: Switch current channel to AM/FM modulation. AM modulation is used for receiving air-band signals.
[Spectrum Mode]:
1. Press this button to enter into spectrum scanning mode, press '*' button to exit.
2. Press '#' button to enter into inputting status. There are 3 inputting items: central frequency is at upper-left, SPA means step space which is frequency spacing of adjacent waves (unit KHZ), DEC means amplitude attenuation, and the whole spectrum height drops so that to investigate the difference between main signal and adjacent signal.
3. Press '▲'/'▼' to switch the cursor position. The cursor is at the bottom of the display. It will show the frequency value of the cursor position at the left bottom while moving the cursor. The 3 data on left means the signal index, RSI is signal strength, NOI is signal noise strength, GLC is signal strength of adjacent channels.
[Squelch]: Press this button to shift to [Squelch Level] to choose the squelch value.
[Freq Step]: Press this button to enter into [Freq Step] to choose the value.
[Save Channel]: Press this button to save channel data.
[VOX]: Press this button to turn ON/OFF VOX.

Press this button to enter into low energy consumption status, press this button again to activate or if the shutdown timer exceeds the APO, the radio will turn on again. The system time does not have maintenance function. To keep the system time under shutdown status, set up as Deep Sleep function to make the radio into dormancy status.

[NOAA Mode]: Press this button to enter into NOAA scanning mode, and switch NOAA channels via channel knob. The radio will start to scan NOAA automatically when no operation occurs for 6 seconds. The following are NOAA frequencies:

	Frequency (MHz)		Frequency (MHz)		Frequency (MHz)
1	162.55000	2	162.40000	3	162.47500
4	162.42500	5	162.45000	6	162.50000
7	162.52500	8	161.65000	9	161.77500
10	161.75000	11	162.00000

Menu Specifications

Radio Setting

[Name/Call Sign]: To change the alias of this radio. Can be set up as the owner's alias or calling number. When set up as [Send Radio Name] in menu list [Analog Set] → [TX End Tone], the alias of this radio will be sent out to the receiver after analog calling ends.
[Lock Timer]: The keypad will lock automatically when there is no operation of the radio within the appointed time while under standby status. Long press '*' button to unlock the keypad.
[Light Timer]: To set up the shutdown time of backlight. Set up as [Off] then the radio will turn off the timer, the backlight no longer turns off automatically.
[Menu Exit]: The radio will exit the menu interface automatically once there is no operation within the appointed time.

Definable Key

[Slaver PTT]: Set up as [On] and the side-key 1 will be the secondary PTT. The preset functions will be invalid when pressing side-key 1 to transmit at B band.

Analog Communication Setting

[Tone Freq]: The higher the value, the more difficult to turn on receiving.
[TX Start Tone]: To set up single tone frequency of definable function [Send Tone].
[MIC Gain]: To adjust the MIC receiving sensibility. The higher the value, the more sensibility the MIC.
[SPK Gain]: To adjust the speaker's volume. The higher the value, the louder the speaker. To avoid audio distortion, do not turn up the speaker highly.
[AM DAC Gain]: When receiving air-band frequency, if a stronger signal causes audio distortion due to a larger AM signal, DAC gain can be turned down to get clear signals.
[DTMF Delay]: If DTMF tone is needed, it will be sent out at the appointed time.
[DTMF Interval]: To set up the interval of two DTMF codes.
[DTMF Duration]: To set up the lasting time of individual DTMF code.
[DTMF Mode]: To set up sending time of DTMF code. The radio will not send DTMF code while transmitting, when the radio is set up as [Off].
[DTMF Select]: To send one of 16 preset DTMF codes while transmitting.
[DTMF Display]: The received DTMF code will show up on the display once the radio is set up as [On].
[DTMF TX Gain] [DTMF RX TH]: There are difficulties decoding DTMF codes of different brands of radios. By adjusting the value of these two options, DTMF codes of different brand radios can be compatible. Encode gain 64 and decode threshold 24 are recommended.
[DTMF Control]: Other radios can take charge of this radio by sending the same DTMF code of monitor/Stun/Kill/Activate, when the radio is set up as [On].
[RSSI Refresh]: To change the refresh interval of the RX field. While under weak signal status, a fast refresh speed will cause interference sound. Turn up the refresh interval.

Channel Setting

[CTC/DCS] [RX CTC/DCS] [TX CTC/DCS]: To set up sub-tone of current channel. To switch the types via '*' key.
[Set TX Freq]: To set TX frequency value when a repeater frequency is needed, without needing to set [Freq Step] and [Freq Direction].
[DCS Encrypt]: Choose [Encrypt 1/2/3] to encrypt standard DCS and only available for DCS. Choose [Mute Code] then the preset DCS is invalid and use this [Mute Code] to be current DCS.
[Mute Code]: Via one-click privacy, can detect non-standard DCS of other radios.
[Scan Add]: Set up as [Remove], the radio will not scan this channel while scanning.
[Offset Dir]: Set up [Offset Freq] before setting up frequency direction. When [Upward] is selected, the TX frequency = RX frequency + frequency difference. When [Downward] is selected, the TX frequency = RX frequency - frequency difference.
[Offset Freq]: Set up frequency difference as 0, if needed to turn off the frequency difference of the current channel.

Zone Setting

It has 256 zones and can be editable. Press '#' key to select or cancel channels.

FM Radio

[RX Standby]: Set up as [On], the radio can standby the calling signal of the main channel while under FM radio status.
[Channel List]: There are 128 preset FM radio channels. Choose the needed channel and press '○' to confirm. Can enter into Edit Name, or set the needed channels to the current FM channel. (This operation will turn on the FM radio automatically, and enter into FM radio interface, and channel information is editable under FM status).

Time Management

[APO]: To [On] or [Off] the auto shutdown function.
[APO Timer]: If no actions are performed on the radio, it will shut down automatically when this function is activated.
[AWU]: Choose [ON] / [OFF] to activate the function automatically.
[AWU Timer]: When the APO timer reaches the preset AWU timer, the radio stops dormancy and returns to working status.

Specification

	General
Frequency Range	Radio: FM 64-108MHz, SW 2.3-26.1MHz, MW 520-1710KHz, LW 153-279KHz RX: 18-520MHz (AM or FM) TX: 136-174MHz, 400-480MHz
Channel Capacity	1024 Channels +2*VFO Channels
Channel Spacing (W/N)	Analog: 25kHz/12.5kHz, Digital: 12.5K
Voltage	7.4V DC
Working Mode	Same frequency simplex, different frequency simplex
Antenna	Removable Antenna
Frequency Stability	±2.5ppm
Working Temperature	-20℃ ~ +60℃
Dimension	137* 60 * 36 about 255g
	Transmitting Part
Modulation Mode	F3E
Maximum Frequency deviation (W/N)	≤5KHz / ≤2.5KHz
SNR (W/N)	-45dB / -40dB
TX Current	<1500mA
	Receiving Part
Sensitivity (W/N)	0.22μV / 0.25μV 12dB SINAD
Inter modulation (W/N)	65dB / 60dB
Audio Distortion	<5%
Audio Output Power	<1W (16Ω)
RX Current	<350mA
Standby current	<70mA

Note: The above parameters are subject to change without prior notice!

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