User's Manual

Specification

Item Specification

Frequency Range 400~430MHz 440~470MHz 145~175MHz

Channel Number 16

Channel Spacing 25KHz/12.5KHz

Frequency Stability ±2.5ppm

IF Frequency 44.85MHz/455KHz

Antenna Impedance

Speaker Impedance

Operation Voltage 7.2V

Operating Temperature -20~+50ºC

Receiver

Sensitivity 0.25uV (Wide)/0.35uV (Narrow)

S/N 45 (Wide) /40dB (Narrow)

Modulation Acceptance 2*7.5KHz/2*3.5KHz

Adjacent Channel Selectivity 70dB (Wide) /60dB (Narrow)

Co-channel Rejection -8dB (Wide) /-12dB (Narrow)

Blocking 85dB

Spurious Response 70dB

Intermodulation Rejection 65dB

Audio Response From 6 dB/oct. De-Emphasis. +2dB -6dB

AF Power 500mW

Audio Distortion 5%

Transmitter

Carrier Frequency Error ±

2.5ppm

Output Power

4W±0.5 (High)/1W±0.2 (Low)

Modulation Limit 5K (Wide)/2.5K (Narrow)

Adjacent Channel Power 70dB (Wide)/60dB (Narrow)

Modulate Sensitivity

24±3mV

Modulate Distortion 3% (Wide) /5% (Narrow)

Audio Response

From 6dB/oct. Pre-Emphasis

3dB

Residual Frequency Modulation 45dB (Wide) /40dB (Narrow)

Conducted Spurious Emission -70dB/-36dBm

Transmit Current 1.6A/0.7A