Motorola GP640 User Manual

Professional Radio
GP640
User Guide
68P64110B24A
Issue: June 2000

Motorola GP640 Specifications

Power

power supply	7.5 V
power 136-174	1-5W
power 403-470	1-4W
power 450-527	1-4W

Battery

average battery life with standard high capacity NiMH battery low power	11 hours
average battery life with standard high capacity NiMH battery high power	8 hours
average battery life with ultra high capacity NiMH battery low power	14 hours
average battery life with ultra high capacity NiMH battery high power	11 hours
average battery life with NiCD battery low power	12 hours
average battery life with NiCD battery high power	9 hours
average battery life with Li-lon battery low power	11 hours
average battery life with Li-lon battery high power	8 hours

Operating Environment

operating temperature	-20°C to +55°C
frequency stability	±2.5 ppm (-25°C to +55°C, +25°Ref.)
sealing	MIL STD 810 C/D/E and IP54

Transmitter

frequencies full bandsplit VHF	136-174 MHz
frequencies full bandsplit UHF 1	403-470 MHz
frequencies full bandsplit UHF 2	450-527 MHz
channel spacing	12.5/20/25 kHz
modulation limiting	±2.5 @ 12.5 kHz, ±4.0 @ 20 kHz, ±5.0 @ 25 kHz
FM hum & noise	-40 dB typical

Receiver

sensitivity (12 dB SINAD) EIA	.25 µV typical
sensitivity (20 dB SINAD) EN	.50 µV 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

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