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      F520B
      
                    
      
                        Feature：IP68 waterproofFlashing lightAlarmWireless replicationReduce noise Frequency decodingUHF 400–520MHZ TYPE-C chargingCTCSS, DCS standard mute soundComputer programming password reading and writing frequencyChinese/English language reporting number16 StorageTime limited launch Power saving fun…
                    
      
                    
                    
                
      
            
      
            
      
                
                
      
                    
      
                        
      Introduction:
      
                        
      
                            Feature：
      
IP68 waterproof
      
Flashing light
      
Alarm
      
Wireless replication
      
Reduce noise 
      
Frequency decoding
      
UHF 400–520MHZ 
      
TYPE-C charging
      
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
      
Transmitterter：≤ 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（wide band）：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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