Motorola GM3688 Mobile Two-Way Radio | VHF/UHF FM Transceiver
Functions
The sturdy and durable structure of the GM3688 mobile radio meets or exceeds Motorola’s strict”accelerated aging test”, US military standards MIL-STD 810C/D/E, and IP54 sealing standards, and is suitable for use in harsh environments.
★ Advanced audio technology GM3688 mobile radio provides voice compression technology and powerful 4W front start speakers, achieving high definition of speech. The optional 13W external speaker is suitable for high noise environments such as the construction and manufacturing industries.
64 channels can meet your business development and communication channel needs.
The 8-character display screen has a large size display screen with icons, making it easy to quickly recognize the status of the walkie talkie and incoming calls.
★ 16 pin external attachment
The port/option board interface adopts a plug and play design concept, which can easily expand the capabilities of the radio station without the need for cumbersome disassembly
Install and rewire. GPS modules, data modems, and numerous other devices can be used at any time according to your business development needs
Add.
★ User friendly interface
Large control knobs and channel knobs facilitate and simplify operation.
● 4 programmable
The key allows for easy access to commonly used functions.
The LED status indicator light and prompt sound enable you to clearly understand the working status of the walkie talkie,
Timely notification of incoming calls.
★ Voice activation transmission (V0X) connected to the Visor microphone can activate the walkie talkie through voice control
This allows users to focus on driving.
★ Signaling function MDC1200 signaling
★ PTT identification code encoding/decoding automatic recognition
Don’t send a radio station in progress, so the calling party doesn’t need to disclose their identity.
★ Remote death decoding of walkie talkies – If a radio station is stolen, the dispatcher or system can remotely turn off the radio station, fully ensuring safety.
★ Radio station self check decoding Radio station can self check
Test and check if it is working or communicating within the communication distance.
Emergency calls can be rescued by activating the foot switch.
★ DTMF signaling
● PTT identification code coding,
● Selective calling code
● Call prompt encoding
★ QuickCall II signaling
● Selective call encoding/decoding
● Call prompt encoding/decoding
![]()
![]()
![]()




Performance Characteristics
| Performance Characteristics | |
| Frequency: | 403- 440 MHz 136- 162MHz 438 – 470 MHz 146- 174MHz 465 – 495 MHz 490- 527 MHz 350 – 380 MHz |
| Repeater capable | Yes |
| Power output |
1-25W
25-45W 25-40W
|
| Physical Characteristics | |
| Emergency button | Yes |
| Keypad | Full |
| Display | Full |
| Weight (With 1400mAh LiIon battery) | 3.5KG |
| Dimensions H x W x D (with standard battery) | 44*169*118 mm |
| Radio Features | |
| Transmit interrupt | Yes |
| Channel spacing (kHz) | 12.5 |
| Voice announcement | Yes |
| Programmable buttons | Yes |
| Voice operated transmit (VOX) | Yes |
| Time out timer | Yes |
| Talkaround | Yes |
| Text messaging capable | Yes |
| Phone book | Yes |
| Group call | Yes |
| One to one calling | Yes |
| Missed call alerts | Yes |
| CPS (Customer Programming Software) | Yes |
| Number of channels | 64 |
| Channel scan | Yes |
| Caller ID | Yes |
| Lone worker | Yes |
| Call tones | Yes |
| Call forward | Yes |
| Busy channel lockout | Yes |
| Integrated voice and data | Yes |
| Technology | |
| System type | Conventional, Capacity Plus, IP Site Connect |
| Digital technology | Yes |
| User Environment | |
| Mil spec | 810 C, 810 D, 810 E, 810 F, 810 G |
| Noise reduction software | Yes |
| IP Standards | IP54 |
| Warranty | |
| Standard package | One MIC,clips,DC calbe |
| Standard warranty | 1 year |




