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    KN666
    
                    
    
                        Feature：Walkie-talkieBluetooth playbackPayment playbackTF card playback120 decibel sound qualityTYPE-C Charging Powered by a No. 5 battery and a power bankUHF400-470MHZ（ receiver/transmit)Non standard mute function16 Storage50 Groups CTCSS，105 Groups DCSScan functionFM radio functionWide/Narrow ba…
                    
    
                    
                    
                
    
            
    
            
    
                
                
    
                    
    
                        
    Introduction:
    
                        
    
                            Feature：
    
Walkie-talkie
    
Bluetooth playback
    
Payment playback
    
TF card playback
    
120 decibel sound quality
    
TYPE-C Charging
    
 Powered by a No. 5 battery and a power bank
    
UHF400-470MHZ（ receiver/transmit)
    
Non standard mute function
    
16 Storage
    
50 Groups CTCSS，105 Groups DCS
    
Scan function
    
FM radio function
    
Wide/Narrow band
    
Time limited launch
    
Computer programming,Read/write frequency password protection
    
Special signaling (frequency hopping)
                        
    
                    
    
                    
    
                        
    Parameters:
    
                        
    
                            GENERAL：
    
Frequency：UHF:400-470MHZ
    
Storage：16
    
Channel space：25/12.5KHZ
    
Input voltage：12vdc
    
Standby：≤ 20mA
    
Receiver：≤ 450mA
    
Transmitter：≤ 1.4A @High power,650@Low power
    
Frequency stability：±2.5ppm
    
Stable operation：-20℃ to +60℃
    
Antenna impedance：50Ω
    
Size：224*147.5*79mm
    
Weight：683g
    

    
TRANSMITTER ：
    
Transmissiom output power：≤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：≥60dB@25KHz,≥55dB@12.5KHz
    
Intermodulation rejection：≥60dB@25KHz,≥55dB@12.5KHz
    
Conducted spurious emission：≤-57dB@25KHz,≤-57dB@12.5KHz
    
SNR：≥45dB@25KHz,≥40dB@12.5KHz
    
Audio output power：15W@4 ohms
    
Radio distortion： ≤5%
    
Audio response（300-3000Hz）： +1 ~ -3dB
                        
    
                    
    
                    
                
    
            
    
            
    
                
                
            
    
        
    
    
    
    


    



        

    
    



        
    
    
    
    
        
    
        
    
            
        
    
    
    


    
    
    
        
    
        
    
            
    
                

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