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Specifications of RCJ40-B Remote control GPS/GSM blocker 40m radius:

Cover interface standards: Digital : GPS ,IDEN, TDMA, CDMA, GSM, UMTS
Analog: AMPS, NMT, N-AMPS, TACS
Total output power:11W (CDMA800 GSM900:3W, Gps1520-1580Mhz 2.5W,1805-1990: 2.5W, 2100-2200: 2.5W)
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

Author: Stewe Pauwell 21.01.2010

Evaluation:

Very happy with the RCJ40-B - received mine very quickly ( about a week ) and unit works as indicated.