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- UHF Radio - GME - TX 4400

TX 4400

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Product ID	TX4400
Description	The TX4400 transceiver is Australian designed and built and is one of the most advanced UHF Citizen Band radios available. The TX4400 combines the very latest in electronic hardware with the most up-to-date computer aided design and manufacturing techniques to produce an extremely versatile mobile radio with outstanding specifications and performance. The TX4400's DIN sized case allows it to be conveniently installed into a dashboard or console and its strong diecast aluminium chassis makes it the most robust transceiver of its kind. With just three rotary controls and five touch keys, the TX4400's extensive features are easy to operate. RRP AUD $479
Specifications	Compliance Compliant with AS/NZS 4365 for radio communications equipment in the UHF citizen band and personal radio service. Frequency Range 476.425 MHz - 477.400 MHz Number of Channels 40 (plus 20 receive only) Frequency Range (receive only) 465 MHz - 485 MHz Channel Spacing 25 kHz Operating Mode Simplex or half duplex with repeater talk-around. Scanning Speed 100 ms per channel (10 channels per second) Antenna Impedance 50 Ohms nominal Nominal Battery Voltage 12 VDC Operating Voltage Range 10 to 16 VDC Battery Polarity Negative Earth Standard Test Voltage 13.8 VDC Overvoltage Protection 30 VDC maximum - At 18 VDC the RF power is reduced and the channel display flashes "Hi DC" on receive. Reverse Voltage Protection Diode Crowbar Overcurrent protection In-line 3 Amp fuse Operating Temperature -10° C to 60° C RECEIVER RF Bandwidth < 5 MHz IF Frequencies 21.4MHz, 455kHz Sensitivity -123 dBm for 12 dB SINAD unweighted. Selectivity - 6dB ± 7.5 kHz - 70 dB ± 25 kHz Intermodulation Immunity -76 dB Blocking Immunity >100 dB Spurious Response Immunity - 70 dB Audio Output Power 3 Watts average into 4 Ohms. Audio Signal to Noise > 45dB unweighted. Receiver Frequency Response -6dB per octave de-emphasis, 300Hz to 3kHz, +1, -3dB. Conducted Spurious Emission < -75dBm Sensitivity of Receive-only Channels -107 dBm for 12 dB SINAD. Current Consumption 210 mA muted. 600 mA Full Volume. Squelch Threshold: -118 dBm Typical. Tight: -109 dBm Max. Hysteresis: -6 dB Typical. TRANSMITTER RF Output 5 Watts Spurious Emissions < -70dBc Frequency Error < ±5 PPM Modulation FM Max. Deviation < ±5kHz @ +20dB AF limiting. Transmit Frequency Response +6dB per Octave , 300Hz to 3kHz, +1, -3dB. Demodulated Audio S/N > 45dB unweighted Current 1.4 Amps with 50 Ohm termination. MECHANICAL Dimensions 171mm (W) x 95mm (D) x 52mm (H) 12V Power Supply Two core red and black cable with bulkhead connector in rear panel. Antenna SO239 panel socket External Speaker 3.5 mm Mono Jack Microphone Port 6 Way telephone style with rubber strain relief. All values are typical unless otherwise stated and are subject to change without notice or obligation.