Motorola GP340 Service Information

1-2 MODEL CHART AND TECHNICAL SPECIFICATIONS
3.0 Technical Specifications
Data is specified for +25°C unless otherwise stated.
General Specifications
Channel Capacity
GP340
GP640
GP680
16
16 (Conventional)
16 (Conventional)
Power Supply Rechargeable battery 7.5v
Dimensions: H x W x D (mm) Height excluding knobs
With standard high capacity NiMH battery
With ultra high capacity NiMH battery
With NiCD battery
With Lilon battery
137 x 57.5 x 37.5
137 x 57.5 x 40.0
137 x 57.5 x 40.0
137 x 57.5 x 33.0
Weight: (gm)
With Standard high capacity NiMH battery
With Ultra high capacity NiMH battery
With NiCD battery
With Lilon battery
GP340/GP640 GP680
420 428
500 508
450 458
350 358
Average Battery Life @5/5/90 Cycle:
With Standard high capacity NiMH battery
With Ultra high capacity NiMH battery
With NiCD battery
With Lilon battery
Low Power High Power
11 hours 8 hours
14 hours 11 hours
12 hours 9 hours
11 hours 8 hours
Sealing: Withstands rain testing per
MIL STD 810 C/D /E and IP54
Shock and Vibration: Protection provided via impact
resistant housing exceeding MIL STD
810-C/D /E and TIA/EIA 603
Dust and Humidity: Protection provided via environment
resistant housing exceeding MIL STD
810 C/D /E and TIA/EIA 603

Motorola GP340 Specifications

Power and Battery

power supply	Rechargeable Battery 7.5v
battery life with standard high capacity NiMH battery (low power)	11 hours
battery life with standard high capacity NiMH battery (high power)	8 hours
battery life with ultra high capacity NiMH battery (low power)	14 hours
battery life with ultra high capacity NiMH battery (high power)	11 hours
battery life with NiCD battery (low power)	12 hours
battery life with NiCD battery (high power)	9 hours
battery life with Li-lon battery (low power)	11 hours
battery life with Li-lon battery (high power)	8 hours

Operating Environment

operating temperature	-20°C to +55°C
sealing	Withstands rain testing per MIL STD 810 C/D/E and IP54
shock and vibration	Protection provided via impact resistant housing exceeding MIL STD 810-C/D/E and TIA/EIA 603
dust and humidity	Protection provided via environment resistant housing exceeding MIL STD 810 C/D/E and TIA/EIA 603

Transmitter Specifications

frequencies - full bandsplit	VHF: 136-174 MHz, LB1: 29.7-42 MHz, UHF: 300-350 MHz, LB2: 35-50 MHz, UHF1: 403-470 MHz
channel spacing	12.5/20/25 kHz
frequency stability	±2.5 ppm
power	136-174: 1-5W, 300-350: 1-4W, 403-470: 1-4W
modulation limiting	±2.5 @ 12.5 kHz, ±4.0 @ 20 kHz, ±5.0 @ 25 kHz
FM hum & noise	-40dB typical
conducted/radiated emission	-36 dBm <1 GHz, -30 dBm >1GHz
adjacent channel power	-60 dB @ 12.5 kHz, -70 dB @ 20/25 kHz
audio response (300-3000Hz)	+1 to -3 dB
audio distortion	3%

Receiver Specifications

frequencies - full bandsplit	VHF: 136-174 MHz, LB1: 29.7-42 MHz, UHF: 300-350 MHz, LB2: 35-50 MHz, UHF1: 403-470 MHz
channel spacing	12.5/20/25 kHz
sensitivity (12 dB SINAD) EIA	.25µV typical
sensitivity (20 dB SINAD) EN	.50µV typical
intermodulation EIA	70 dB
adjacent channel selectivity	60 dB @ 12.5 kHz, 70 dB @ 20/25 kHz
spurious rejection	70 dB
rated audio	0.5W
audio distortion @ rated audio	3% typical
hum & noise	-40 dB @ 12.5 kHz, -50 @ 20/25 kHz
audio response (300-3000 Hz)	+1 to -3 dB
conducted spurious emission	-57 dBm <1 GHz, -47 dBm <1 GHz

Weight and Dimensions

dimensions with standard high capacity NiMH battery	137 x 57.5 x 37.5 mm
dimensions with ultra high capacity NiMH battery	137 x 57.5 x 40.0 mm
dimensions with NiCD battery	137 x 57.5 x 40.0 mm
dimensions with Li-lon battery	137 x 57.5 x 33.0 mm
weight with standard high capacity NiMH battery	420 gm
weight with ultra high capacity NiMH battery	500 gm
weight with NiCD battery	450 gm
weight with Li-lon battery	350 gm