Cover interface standards: Digital : IDEN, TDMA, CDMA, GSM, UMTS
Analog: AMPS, NMT, N-AMPS, TACS?
Total output watt:

4 bands: 45watt CDMA800: 8WATT, GSM900: 17WATT, GSM1800 1900: 10WATT, 3G: 10WATT

3 bands: 37watt GSM900: 17WATT, GSM1800 1900: 10WATT, 3G: 10WATT

Antennas External Omnidirectional?
Every band frequency can select output power
All the TX frequency covered down link only.
Automatic power switching power supply: 50 / 60 Hz / AC 100 ~ 240V transmitting to DC 28 V.
Jamming range Radius :50 ~ 100 M[the signal must <or=-75dBm in the location]The jamming Radius still depends on the strength signal in given area
Safety regulation: AC Adapter UL ( E190582 ), CSA ( LR112971 Level 3 )