Name: 4200 with DSP    
Input DC voltage: 24 ± Vdc    
State of alert: 250ma    
Police state:<300 ma    
Speed detection tag:More than 2 m / s    
Frequency: 8.2MHz    
Launch Center frequency: 6.5 10.5MHz    
Operating Frequency: 150 180Hz    
Output: 4    
Launch resistance: 4 ohms    
Pulse Time: 1.6ms    
Pulse frequency: 75Hz (50Hz)    
Receiver Center Frequency: 8.2MHz    
Input: 3    
Operating Frequency: 150 160 180Hz    
Receive Resistance: 220ohms