GENERAL

Compliant Specification: Meets AS/NZS 4365 for radio communications equipment in the UHF citizen and personal radio service.
Frequency Range TX: 476.425-477.4125 MHz
Number of Channels: 80
Channel Spacing: 12.5 kHz
Operation Mode: Simplex or half Duplex with repeater talk around.
Scanning Speed: 25 ms per channel (40 channels per second)
Antenna Impedance: 50 Ohms nominal
Nominal Battery Voltage: 12 volts DC
Operating Voltage Range: 10-16 volts DC
Battery Polarity: Negative Earth
Standard Test Voltage: 13.8 volts DC
Overvoltage Protection: 30 volts DC max. At 18 volts DC the RF power is reduced, and the words ‘Hi DC’ flash.
Reverse Voltage Protection: Diode Crowbar
Overcurrent Protection: In-line 2 amp fuse
Operating Temperature: -10°C to 60°C

TRANSMITTER

RF Output: 5 watts
Spurious Emission: < - 70 dBc
Frequency Error: < ± 1.5 kHz
Modulation: FM
Maximum Deviation: < ± 2.5 kHz at + 20 dB limiting
Transmit Frequency Response: +6 dB per octave 300 Hz to 3 kHz +1-3 dB
Demodulated Audio Signal to Noise: > 45 dB unweighted
Current Consumption: 1.5 amps with 50 Ohms termination

RECEIVER

Intermediate Frequencies: 38.85 MHz, 450 kHz
Sensitivity: - 122 dBm for 12 dB SINAD unweighted
Selectivity: - 6 dB at + 3.5 kHz, ‑ 60 dB at ± 12.5 kHz
Intermodulation Immunity: -72 dB
Blocking Immunity: -98 dB
Spurious Response Immunity: 70 dB
Audio Output Power: 3 watts average into 4 Ohms
Audio Signal to Noise: > 45 dB unweighted
Current Consumption: < 175 mA muted 750 mA Full volume
Conducted Spurious Emission: < - 70 dBm

MECHANICAL SPECIFICATIONS

External Speaker: 3.5 mm mono Jack