Cover interface standards:
CDMA800:850-894 MHz,
GSM900:925-960 MHz
GSM1800-1900:1805-1990MHz,
3G: 2110-2170MHz,
optional:
GPSL1,WIFI,CDMA450
You can select four of above frequency bands in a jammer

Output power: 250 watt
Jamming range: UP to 200~500M [the signal strength<=-75dBm in the given area.
Every band frequency can select output power
Power supply: 50.60Hz/AC100 ~ 240V transmitting to DC 28V.
Package Weight:85KG

The JYT-HJ04 was developed specially for **s and other large sensitive locations such as military or governmental compounds. This high power system has been approved and installed by Prison Authorities in very large ** facilities in several Countries world wide.

System Advantages
1) Each unit can jam up to five frequency bands simultaneously.
2)Continuous operation, even in hot climates, with no time limit.
3)Secure design to avoid sabotage.
4) (VSWR) circuit protection to ensure system will not burn out should there be antenna short circuiting or disconnection
5)Adjustable RF power output level.
6)Antenna type options

JYT-HJ04 Optional Features
1)Selection of antennas to provide more flexibility regarding jamming coverage.
Special additional housing for all weather protection.
2)Can use the UPS and battery