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H280
(产品型号展示优化词:Portable Two-way Radio&Walkie Talkie H280 )
Features:* Accord with the USA military standard MIL-STD-810-C/D/E/F, CE,FCC and IP54.
* 1300mAh high capacity Li-ion battery
* Priority Scan
* Battery Saving
* Manual Alarm
* CTCSS/CDCSS
* Low battery warning
* Time out timer (TOT)
* Busy channel lockout
* 25/12.5KHz Channel Spacing Modulation
* Monitor Function
* Voice Prompt
* MOSFET final stage power amplifier
* Clock frequency shift function
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* Selectable squelch level(1-9)
Specifications:General H280
Frequency Range
VHF:136-150MHz 150-174MHz
UHF: 350-370MHz 370-390MHz
400-440MHz 440-480MHz
Channel Capacity 16
Channel Spacing 25 /12.5 KHz
Operating Voltage 7.4V
Battery Capacity 1300mAh (Li-ion)
Battery Life (5-5-90 Duty cycle)
2050mAh Li-ionmore than 11 hours
Frequency Stability ±2.5ppm
Operating Temperature -20 ~+50℃ ℃
Antenna Impedance 50Ω
Demensions(with battery,
without antenna)102mm×51.5mm×28.5mm
Weight(with antenna & battery) 220g
Transceiver H290
RF Power Output 4W/2W(UHF)
Modulation 16KΦF3E/8KΦF3E
Spurious and Haronics ≤-27dBm
FM Noise 40dB
Audio distortion ≤5 %
Receiver H290
Sensitivity 0.25/0.28 μV
Adjacent Channel Selectivity 60/55dB
Intermodulation 60dB
S/N 45/40dB
Audio Power Output 500mW
Audo distortion ≤5%
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