Specification 
| Model  | 
 ATLAS   | 
    |  
| 
 Frequency Range   | 
 UHF  | 
    |  
| 
                  400--480MHz  | 
    |  
| 
 Channel  | 
 199  |  
| 
 PLL Channel Spacing  | 
 5/6.25/10/12.5/25KHz   |  
| 
 Battery Voltage   | 
 7.4V DC (Li-ion Battery Pack)   |  
| 
 Antenna Impedance   | 
 50?   |  
| 
 Temperature Range   | 
 -20?~+60?   |  
| 
 Frequency Stability   | 
 ±2.5PPM   |  
| 
 Case Size   | 
 92hX53wX30d(mm)   |  
| 
 Weight (w/ Battery)   | 
 200g  |  
| 
 Packaging   | 
 Gift box (unit body together with the accessories)   |   
Compatible With American Military Standard(MIL-STD-810C/D/E) 
   |