| 
      
        
          | General |  
          | Frequency Range | Can be Suitable For Different Countries or Areas VHF : 66-88 / 136-174 MHz
 UHF : 400-470 MHz
 |  
          | Memory Channels | 400 |  
          | Frequency Stability | ±2.5 PPM |  
          | Operating Voltage | 7.4 VDC |  
          | Operating Temperature | -30℃~+60℃ |  
          | Waterproof | IP 67 |  
          | Antenna Impedance | 50Ω |  
          | Operating Way | Simplex of Co-channel or Dis-channel |  | 
      
        
          | Transmitter |  
          | Frequency Stability | ±2.5 PPM |  
          | RF Carrier Power | UHF: 4W , VHF: 5W |  
          | Effective Radiation Power | Power Changes Not Exceed Preset Value ±7.5dB
 |  
          | Max. Frequency Deviation | Channel Space: 25KHz  ±5KHz Channel Space: 12.5KHz ±2.5KHz
 |  
          | Audio Modulation | +3dB (Pre-emphasis by 6dB Between 0.3-3KHz) |  
          | Adjacent Channel Power | Channel Space: 25KHz  ≥70 dB Channel Space: 12.5KHz  ≥60 dB
 |  
          | Spurious Radiation | ≤-30dBm |  
          | Inter Modulation Attenuation | ≥40dB |  
          | Modulation Distortion | ≤10% |  
          | Residual FM | ≤-35dB |  
          | Residual AM | ≤3% |  |