Il DVR-BPC1000 - 4B, è il nullificatore per telefoni cellulari in quanto li rende inutilizzabili non facendo vedere “campo” ai telefoni senza fili e cellulari operanti sulle gamme: 

• GSM 900 MHz 
• GSM 1800 MHz 
• DECT 
• DCS 1900 MHz 
• WIRELESS PHONES 960 MHz 
• UMTS 
• WI-FI & BLUETOOTH 
• VIDEO SENDER 2.4 GHz 

Caratteristiche :

TX frequency: 851 / 869 ~ 894 MHz
TX frequency : 925 / 935 ] 960 MHz
TX frequency: 1805 ] 1930 / 1990 MHz
TX frequency: 2100 ~ 2170 MHz
Cover interface standards: Digital: IDEN, TDMA, CDMA, GSM, 
UMTS
Analog: AMPS, NMT, N-AMPS, TACS  
Total output power: Hi 12W (800: 3W, 900: 3W, 1805-1990: 3W, 
2100-2200: 3W)
Total output power: Low 6.0W (800: 1.5W, 900: 1.5W, 1805-1990: 
1.5W, 2100-2200: 1.5W )
Signal Source PLL synthesized
Antennas External Omnidirectional 
Every band frequency can select output power Hi & Low by Dip SW
All the TX frequency covered down link only.
Automatic power switching power supply: 50 / 60 Hz / AC 100 ~ 
240V  transmitting to DC 24V.
Jamming range: Radius 40 ~ 50 M[the signal must <-80dBm 
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: 238(L) ] 186(W) ] 53(H) mm
Weight: 1.6 Kg