对讲机 AC-500
Functions:
Frequency Range: 136-174MHz /400-470MHz/245-246MHz/350-390MHz/470-520MHz
128 memory channels CTCSS/DCS
8 groups scrambler (optional) VOX function
FM radio and 25 stations storage Transmission end prompt
PC software programming COMP function
Multi-functional side key Wide/narrow bandwidth selective
Power-on password protection Power-on password setting
Channel name display Channel name editing
Transmitter time-out timer(TOT) End-tone Elimination
Auto power off Battery saving function
Busy channel lock Keypad beep tone
Channel division Current voltage display
Monitor on/off under FM radio mode Backlight setting
Keypad lock way Power on message editing
Offset frequency Power on display setting
VOX ending delay time VOX sensitivity
Specification:
Item number AC-500
General
Frequency Range 136-174/245-246//400-470/465-520MHz
Channel No. 128
Frequency Stability 5PPM
Operating Voltage -20～+50℃
Antenna High gain antenna
Antenna Impedance 50Ω
Operating Voltage DC 7.4V(Rechargeable Li-ion battery)
Mode of operation Simple or semi-duplex
Dimensions（W×H×D） 98x53x30mm
Transmitter
Output power 4W/2W/1W
Modulation Mode F3E
Maximum deviation ≤±5KHz
Remnant Modulation ∠60dB
Spurious Radiation <7μW
Adjacent Ch. power ≥65dB/≥60db
Pre-emphasis characteristics 6db
Current 0.7A/1.0A/1.5A
CTCSS/DCS deviation 0.5kHZ+/-.01kHZ 03kHZ+/-0.1kHZ
Intermediation sensitivity 8-12mv
Intermediation distortion <10%
Receiver
RF Sensitivity ∠0.20μV(12dB SINAD)
Squelch Sensitivity ∠0.18μV
Audio power ≥400mW
Audio Distortion ≤10%
Intermediation 50dB
Standby Currency 46mA
Selectivity ≥65dB ≥60db
Spurious Rejection ≥65db
Blocking ≥85
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