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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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