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Description:

The ruggedly-built Motorola GM3688 is ideal for construction, taxi, courier and manufacturing industries. Equipped with superb audio quality, 8-character alphanumeric display, PTT ID function, 64 channels and a wide range of accessories, the GM3688 is made to grow with your fleet.

Features Overview

Highlights of the GM3688
Signalling - Quick Call II, DTMF, limited MDC1200

Power Output - “ VHF- 1– 25W, 25-45W UHF - 1– 25W, 25-40W 350-380MHz - 1– 25W, 490-527MHz - 25W, 25-40W”

Option Board - Yes

Keypad - No

Display - Yes

Emergency Feature - Yes

MilSpec - MIL-STD 810C, D & E

Weight ( gm/ kg) - 1.01kg

Frequency - 136-162MHz / 146-174MHz / 403-440MHz / 438-470MHz / 465-495MHz / 490-527MHz / 350-380MHz

Channels - 64

Dimension ( H X W X D) - 44mm x 169mm x 118mm

User-friendly

8-character alphanumeric display with icons for quick identification of radios status and incoming calls.
LED status indicator allows clear indication of radio’ s operating status.
4 Programmable buttons provide users convenient access to the most frequently used functions.

Efficient

16 pin external accessory port or optional board interface allows easy expansion of radio’ s capability.
Supports MDC1200, DTMF and Quick Call II signaling standards.
64-channel allows users to independently program each channel for their customised needs.

Compact & Reliable

The mobile offers voice compression and powerful 4W front firing speaker for maximum audio clarity.
Rugged construction built to meet or exceed the stringent Motorola ALT and MIL-STD 810C, D and E

  

GM3688 car radio vhf /uhf walkie talkie mobile transceiver 

  • Programmable Channel Spacing
  • Busy Channel Lockout
  • External Alarm
  • Public Address Mode
  • Repeater / Talkaround
  • Dual Priority Scan
  • Nuisance Channel Delete
  • Tight / Normal Squelch
  • Time Out Timer
  • Rugged Construction
  • Audio Enhancement
  • 64 Channels
  • 8-Character Alphanumeric Display
  • 16-pin External Accessary Port & Internal Option Board Interface

General Specifications 

VHF 

UHF 

Frequency 

136-162MHz

146-174MHz 

403-440MHz

438-470MHz

465-495MHz 

Channel Capacity 

64 

Power Output

1-25W

25-45W

1-25W

25-40W

Power Supply

13.8 Vdc (11 Vdc - 16.6 Vdc) negative vehicle ground

Channel Spacing

12.5/20/25KHz

Frequency Stability ( -30°C, + 60°C, +25°C Ref)

+/-2.5ppm

Dimensions ( H * W * L )

44mm x 169mm x 118mm

Weight

1.01 Kg

Operating temperature

- 30°C to + 60°C

Sealing

Passes rain and dust testing to IP54

Shock and Vibration

Meets MIL-STD 810-C,D&E and TIA/EIA 603

 

Receiver

VHF

UHF

Sensitivity (12db Sinad)

0.35uV (12.5KHz)

0.3uV (25KHz)

Intermodulation

65dB (12.5KHz)

75dB (25KHz)

60dB (12.5KHz)

70dB (25KHz)

Adjacent Channel Selectivity

65dB (12.5KHz)

75dB (25KHz)

60dB (12.5KHz)

70dB (25KHz)

Spurious Rejection

75dB

70dB

Rated Audio ( extended audio with 4 ohm speaker)

4W internal

13W external

Audio Distortion @ Rated Audio

3% typical

Hum and Noise

-40 dB (12.5KHz)

-45 dB (25KHz)

-35 dB( 12.5KHz)

-40 dB (25KHz)

-40 dB (12.5KHz)

-40 dB (25KHz)

Audio Response (300 to 3000Hz)

+1, -3dB

Conducted Spurious Emission

-57 dBm < 1GHz'

-47dBm > 1GH'z

 

Transmitter

VHF

UHF

Modulation Limiting

+/-2.5KHz (12.5KHz)

+/-4KHz (20KHz)

+/-5KHz (25KHz)

FM Hum & Noise

-40 dB (12.5KHz)

-45 dB (25KHz)

-35 dB (12.5KHz)

-40 dB (25KHz)

-40 dB (12.5KHz)

-40 dB (25KHz)

Conducted / Radiated Power

-36 dBm < 1GHz

-30 dBm > 1GHz

-26 dBm

Adjacent Channel Power

-60 dB (12.5KHz)

-70 dB (25KHz)

Audio Response (300 to 3000Hz)

+1, -3dB

Audio Distortion @ 1000Hz, 60% Rated Max. Deviation

3% typical