对讲机 AC-28
Function:
Frequency Range: UHF 400 to 470MHz / 350-390MHz 16 memory channels
PC program available CTCSS/DCS
Automatically power saving 1/5W output power (optional)
Li-ion battery: 1,500mAh Intelligent charger
Wire clone Voice annunciation for channel number
Busy channel lock Transmitter time-out timer(TOT)
Monitor function
Specification:
Item number AC-28
General
Frequency Range 400-470MHz (RX/TX)
350-390MHz (RX)
Channel No. 16
Antenna High gain antenna
Antenna Impedance 50Ω
Operating Voltage DC 7.2V(Rechargeable Li-ion battery)
Mode of operation Simple or semi-duplex
Transmitter
RF carrier power ≤3W
Current ≤1.3 A
Modulation sensitivity 12mA
Modulation deviation ≤5%
Maximum frequency deviation ≤5kHz
CTCSS frequency deviation 0.75kHz±50Hz
Modulation mode F3E
Receiver
Sensitivity ≤0.2μV
Squelch sensitivity ≤0.15μV
Audio output power 500mA
Audio distortion ≤10%
Inter-modulation ≥60dB
Selectivity ≥65db
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