aⅴ免费视频在线观看,一本一本久久A久久精品综合,狠鲁鲁在线视频,日韩AV大片在线一区二区



    

    

    
    

        
    
            
        
    




    
    

    


    
    
    
        
    
            
    
                
    
                    
    
                            
    
                                
    
                            
    
                                
    
                            
    
                                
    


                    
    
                    
    
                            
    
                                
    
                            
    
                                
    
                            
    
                                
    


                    
    
                
    
                
    
                    
    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
                        
    
                    
    
                    
                
    
            
    
            
        
    
    
    
    


    



        

    
    



        
    
    
    
    
        
    
        
    
            
        
    
    
    


    
    
    
        
    
        
    
            
    
                

                +86-595-82069888