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F520A
Feature:IP68 waterproofFlashing lightAlarmWireless replicationReduce noise Frequency decodingUHF 400–520MHZ TYPE-CchargingCTCSS, DCS standard mute soundComputer programming password reading and writing frequencyChinese/English language reporting number16 storageTime limited launch Power saving func…
Introduction:
Feature:
IP68 waterproof
Flashing light
Alarm
Wireless replication
Reduce noise 
Frequency decoding
UHF 400–520MHZ 
TYPE-Ccharging
CTCSS, DCS standard mute sound
Computer programming password reading and writing frequency
Chinese/English language reporting number
16 storage
Time limited launch 
Power saving function
Special mute sound
VOX
Non standard mute function
scanning function
Interference function
High/Low voltage warning
High/Low Power
Wide/Narrow band
Parameters:
GENERAL:
Frequency: UHF:400-520MHz
Channel capacity:16
Channel space:25/12.5KHZ
Input voltage:7.4vdc
Standby:≤ 20mA
Receiver:≤ 450mA
Transmitter:≤ 1.5A @High Power,650mA@Low Power
Frequency stability:±2.5ppm
Work temperature:-20℃ to +60℃
Antenna impedance:50Ω
Size:112*54*30mm

TRANSMITTER:
Transmitter output power:≤5W
Emission Current:≤1500 mA
Spurious emission:≤7.5uW
SNR:≥-45dB
Radio distortion:≤5%
Subaudio frequency:0.7±0.1KHz
Adjacent Channel Power:≤-65dB
modulation sensitivity:8~12mV

RECEIVER:
Receiver sensitivity:-122dBm (12dB SINAD)
Channel selectivity(wide band):≥55dB 
Intermodulation(wide band):≥55dB
Conducted spurious emission:≤-57dB@25KHz,≤-57dB@12.5KHz
SNR:≥45dB@25KHz,≥40dB@12.5KHz
Radio power:≥350mW
Radio distortion:<10%
Receiving Current:≤450mA
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