XRS-330CP UHF CB Radio

A look at something interesting in the way of UHF CB radio as used in Australia and New Zealand:

The XRS-330CP Connect Portable Pack

Product Specifications:

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 Erro r< ± 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

Dimensions 21 (H) x 100 (L) x 87 (D) mm

Weight 450 grams

Antenna SO239 panel socket

External Speaker 3.5 mm mono jack

Microphone Port 6 Way telephone style with rubber strain relief

Price: £300 (Equiv)