ShenZhen Necom Telecommunication Technologies Co,.ltd
  12 Bands Antennas Multi-Bands 75W 5G Jammer up to 60m N12pro   ...
 21 Antennas Cell Phone Blocking Gps Lojack Wifi Cell Phone Signal  Ja ...
 Product Feature * Can use 2 different kind antenna * 6 Channel jamming fre ...
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 4 ANTENNAS 30W JAMMER RC315 433 434 868MHZ    rc30   O ...
 Advantages: 1)New 12 bands portable jammer with 12 antennas design, blocki ...
 Features: *Mini/pocket size  *Easy to carry weight less 1kg , size 6 ...
  Applications: Sensitive Areas Prisons Oil Refineries Bases Protected Area ...