Silvery 3G 2G Cell Phone Gps Signal Blocker for Examination Room , Classroom

Specification:

TX Frequency:

CDMA: 850-894MHz

GSM: 930-960MHz

DCS/PHS: 1805-1990MHz

3G: 2110-2170MHz

Available system: Include analog (AMPS, TACS, NMT) and digital (GPRS, GSM,

DCS,CDMA,PDC,TDMA,PHS,PCS,IDEN,W-CDMA,UMTS) ,3G

Single output power +33dBm /1W

Power input :AC110V-240V

Jamming range: Radius 1- 30 M

【the Cellular signal must ≤-85dBm 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)

Dimension :320(L)×270(W)×110(H) mm not include antenna

Weight:1.56kg

Temperature :-40 to +55℃

Relative humility:≤90%(RH)

Air pressure:86~106kPa

Main Functions:
1.4-Channel type can efficiently provide shield for mobile signals fromCDMA, GSM, DCS and PHS.
2. It only shields the signals from mobile phone and does not affect the normal operation of other electronic devices.
3. Generally, please use your mobile phone at the places more than 200 meters away from the base station.
4. Switching on, it can work stably for a long time.
5. Slow start-up circuit can avoid sparkling caused by mechanical switch.

Widely used:
1. Conference room, autitoriums, law court, library, exam room, school,cinema, theater, and hospital, etc.
2. Oil Station, gas filled station, oil field, oil depot, etc.
3. At places where using mobile phone is prohibited such as government,military, finance, security, police and command center, etc.
4. Channel types can efficiently provide shield for mobile signals fromCDMA, GSM, DCS and PHS.

Only interfere downlink frequency of mobile system, can’t affect normal operation of Base Station.

Warranty: one year from delivery date