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M5-4
Feature:Small and LightweightEasy to carryRemote intercomClear VoiceLow battery warningAlarmUSB ChargingOne click decodingUHF400-520MHZ16 StorageTime limited launch(TOT)50 Groups CTCSS 105Groups DCSChinese/English language promptsNon standard mute functionVOXAutomatic power-savingComputer programmin…
Introduction:
Feature:
Small and Lightweight
Easy to carry
Remote intercom
Clear Voice
Low battery warning
Alarm
USB Charging
One click decoding
UHF400-520MHZ
16 Storage
Time limited launch(TOT)
50 Groups CTCSS 105Groups DCS
Chinese/English language prompts
Non standard mute function
VOX
Automatic power-saving
Computer programming,Read/write frequency password protection function
Special signaling (frequency hopping)
Scan function
Low Voltage warning
Wide/Narrow band
Parameters:
GENERAL:
Frequency:UHF:400-520MHZ
Storage:16
Channel space:25/12.5KHZ
Input voltage:3.7vdc
Battery capacity capacity:3800mAh
Battery life(5-5-90,High power transmitter):About      hours
Standby:≤ 65mA
Receiver:≤ 350mA
Transmitter:≤ 1.3A @Hi power
Frequency stability:±2.5ppm
Stable operation:-25℃ to +55℃
Antenna impedance:50Ω
Size:110*59*31 mm
Weight:172g

TRANSMITTER:
Transmitter output power:2W/0.5W
modulation :16K0F3E@25KHz, 11K0F3E@12.5KHz
Spurious emission:-36dBm<1GHz, -30dBm>1GHz
SNR:45dB@25KHz, 40dB@12.5KHz
Radio distortion:≤5%
Modulation limited:±5.0KHz@25KHz, ±2.5KHz@12.5KHz
Adjacent Channel Power:70dB@25KHz, 60dB@12.5KHz
Audio response(300-3000Hz):+1 ~3dB

RECEIVER:
Receiver sensitivity:0.25uV(12dB SINAD)
Adjacent channel selectivity:≥55dB@12.5KHz
Intermodulation rejection:≥55dB@12.5KHz
Conducted spurious emission:≤-57dB@12.5KHz
SNR:≥40dB@12.5KHz
Audio output power:1W@8 ohms
Radio distortion: ≤5%
Audio response: +1 ~ -3dB
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