Sell ML prison cell phone jammer

Cellular phones standards

CDMA:******4 MHz, 
GSM:******0 MHz, 
GSM********0:********0MHz, 
3G: ********0 MHz, 
GPS:********0MHz, (optional) 
WIFI:********0MHz. (optional) 
(you can select four bands from above. We adjust the frequency according to different country.)

Out put power: *0Watt.( For customization, you can select the out put power.) 
Shielding Radius:up to **0 meters (signal <=**5dbi in the application place.) 

Power supply voltage: ~**0VAC / ~**0VAC       **4VDC 
Weight (without antennae): up to *0KG 
Dimension (not including antennae) *6.5**5**8cm 
Cooling system Active “smart” with integrated incoming air filter 
Waterproof design

Antennae type

External high gain directional (standard) 
External high gain Omni directional (optional)      
Antenna gain 
**4 dBi (Omni Antenna) 
Directional Antenna Up to **8 dBi (optional) 
Directional Antenna Number Up to 2pcs 
Omni Antennae number Omni Antenna **4pcs