User Manual

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Physical Specifications
Table A-1 Physical Specification
Dimensions 8.50” x 5.83” x 6.71” ( 216 x 148 x 170.5 mm ) ※no Antenna
15.47” x 5.83” x 6.71” ( 393 x 148 x 170.5 mm ) ※with Antenna
Weight 1.4Kg
Input / output Bluetooth,Serial, Power, Antenna,Communication pins(for GRS-1)
Battery Type Li-ion battery, Rechargeable / Replaceable
Input voltage 12V
Operating temperature -20 C° to +50 C°
Strage temperatuere -30 C° to +60 C°
Waterproof IPX4
Wireless specifications
Table A-2 Bluetooth Module Specifications
Range up to 10 m (indoor)
Type Class 2
Supported profiles SPP
Digital UHF Modem General Specifications(For RH-1 /U)
Table A-3 lists the internal Digital UHF Modem’s General Specifications
Parameter Specification
Operating frequency range
country/region/purpose dependent
410-470 MHz
Modulation techniques GMSK,
Channel spacing 12.5 kHz/25 kHz
Transmission rates at 25 kHz spacing • GMSK– 9600 bps
Transmission rates at 12.5 kHz spacing • GMSK– 4800 bps
Data speed of serial interface Max 115200 bps
Forward Error Correction Available
Scrambling Available
Communication mode Half-Duplex
Output power 0.01 W (+10dBm), 0.02 W (+13 dBm),
0.05 W (+17 dBm), 0.1 W (+20 dBm),
0.25W (+24 dBm), 0.5 W (+27 dBm),
1W (+30 dBm)
Nominal output impedance 50 Ohms 2.0:1 VSWR
Output power control accuracy + 1dB (at normal test condition)
+2.0 dB and -3.0 dB (under extreme test condition)
Adjacent channel selectivity -70 dB for 25 kHz Channel Spacing
-60 dB for 12.5 kHz Channel Spacing
Nominal output impedance 50 Ohms 2.0:1 VSWR
Output power control accuracy + 1dB (at normal test condition)
+2.0 dB and -3.0 dB (under extreme test condition)