GENERAL Compliant SpecificationMeets AS/NZS 4365 for radio communications equipment in the UHF citizen and personal radio service. Frequency Range TX476.425 – 477.4125 MHz Number of Channels80 Channel Spacing12.5 kHz Operation ModeSimplex or half Duplex with repeater talk around. Scanning Speed25 ms per channel (40 channels per second) Antenna Impedance50 Ohms nominal Nominal Battery Voltage12 volts DC Operating Voltage Range10-16 volts DC Battery PolarityN egative Earth Standard Test Voltage13.8 volts DC Overvoltage Protection30 volts DC maximum. At 18 volts DC the channel display flashes ‘Hi DC’ for 5 seconds on receive. The RF power is reduced and TX flashes on transmit. Reverse Voltage ProtectionDiode Crowbar Overcurrent ProtectionIn-line 2 amp fuse Operating Temperature-10°C to 60°C TRANSMITTER RF Output5 watts Spurious Emission< – 70 dBc Frequency Error< ± 1.5 kHz ModulationFM Maximum Deviation 45 dB unweighted Current Consumption1.7 Amps with 50 Ohm termination RECEIVER Intermediate Frequencies38.85 MHz, 450 kHz Sensitivity- 123 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 Immunity70 dB Audio Output Power3 watts average into 4 Ohms Audio Signal to Noise> 45 dB unweighted IF Frequencies< 175 mA muted 750 mA Full volume Conducted Spurious Emission<70 dBm MECHANICAL SPECIFICATIONS Dimensions29 (H) x 128 (L) x 117 (D) mm Weight450 grams AntennaSO239 panel socket External Speaker3.5 mm mono jack Microphone Port6 Way telephone style with rubber strain relief |