WISCO International - (Motorola GR1225 Specifications)

General	VHF	UHF
Model Series	H5158 or M43GRC	H5157 or M44GRC
Frequency Bandwidth	146-174 MHz	444-474 MHz
Channel Spacing	Switchable 12.5/20/25/30 kHz
Frequency Separation	28 MHz	30 MHz
Channel Capacity	16 Channels
Dimensions	8"H x 10"W x 14"D (203 x 254 x 356 mm)
Weight	35 lbs. (15.9 Kilos)
Duty Cycle	Continuous @25W 50% @45/50W (5 min. on/5 min. standby)
Input Voltage: Repeater Transceiver	115/230 Vac+/- 10% 13.8 Vdc +/- 10%
Input Current: Repeater Transceiver (13.8Vdc): Standby RX@7.5W TX@50/45W	2.6 Aac (maximum) @115 Vac 1.3 Aac (maximum) @230 Vac 0.45 Adc 1.5 Adc 14.0 Adc	12.5 Adc
Squelch Code Capabilities	TPL/DPL/CSQ

Transmitter	VHF	UHF
RF Output	25-50W	25-45W
Frequency Stability (-30C to +60C)	±2.5 ppm	±1.5 ppm
Spurs / Harmonics	-23 dBm
Audio Response	+1/-3 dB (From a 6 dB/Oct. Pre-emphasis 300 to 3000 Hz)
Audio Distortion	<3% EIA (@1000 Hz 60% rated Maximum Deviation)
Modulation Sensitivity	80 mV (rms for 60% deviation @1000 Hz
FM Noise	12.5 kHz 20/25/30 kHz	-40 dB -45 dB
FM Modulation	11K0F3E 16K0F3E
FCC Designation	ABZ99FT3023	ABZ99FT4023

Receiver	VHF		UHF
Sensitivity (-12dB SINAD)	.35 µV (-116.1 dBm)
Internal Squelch (SINAD)	10 dB nominal setting; Adjustable from off to 20 dB
Selectivity	12.5 kHz -75 dB	20/25/30 kHz -85 dB	12.5 kHz -70 dB	20/25/30 kHz -80 dB
Intermodulation	-80 dB
Usable Bandwidth	1.2 kHz	2.0 kHz	1.2 kHz	2.0 kHz
Spur Rejection	-85 dB
Image Rejection	-80 dB
Audio Output Internal Speaker External Speaker	3 Watts 7.5 Watts with 8 Ohm Speaker
Audio Response	+1/-3 dB (From a 6 dB/Oct. Pre-emphasis 300 to 3000 Hz)
Input Impedance	50 Ohms