User's Manual

1. SPECIFICATIONS
1.1 GENERAL
Frequency Range 450-470 MHz
FCC ID
RX/TX Separation: 5 MHz
Operational Bandwidth
Duplexer 50 kHz
Receiver and Transmitter 5 MHz
Synthesizer Step Size 12.5 kHz
Channels 1
Power Requirements
2 watt maximum output 12 VDC nominal @ 1A minimum
5 watt maximum output 12 VDC regulated @ 2 A minimum
Tone/Code signaling 1 CTCSS/DCX
Carrier Dropout Timer 0-8 s, programmable by PC
Squelch Tail Timer 0-8 s, programmable by PC
TX Timeout Timer 0-30 min, programmable by PC
Front Panel Connector RJ-12
RF Connector N
Front Panel Indicators 1 Power Green LED
1 TX Red LED
Antenna Impedance 50 ohms resistive, VSWR 1.5:1 or less
Dimensions 8”L x 5.75”W x 2.125” H
Weight 3.5 lbs.
Operating Temperature Range -30°C to +50°C
1.2 RECEIVER 12.5 kHz version 25 kHz version
(At antenna connector)
Sensitivity 0.28 uV 0.28
Adjacent Channel Selectivity 65 dB 75 dB
Spurious Response Rejection 75 dB 75 dB
Image Rejection 80 dB 80 dB
Intermodulation Rejection 70 dB 70 dB
Hum and Noise 45 dB 50 dB
Frequency Stability 1.5 ppm 1.5 ppm
1.3 TRANSMITTER 12.5 kHz version 25 kHz version
(At antenna connector)
Output Power 2/5 watts 2/5 watts
Duty Cycle 100% 100%
Frequency Stability 1.5 ppm 1.5 ppm
Spurious and Harmonics -36 dBm -36 dBm
Hum and Noise 45 dB 50 dB