LoJack Signal Jammer If you installed HSNM just now, and don't know where to start - ask here!

[yvonne12]

This Newest Selectable LoJack Signal Jammer (USA Version) suit for USA, against 4G LTE networks 3G GSM cellphone signals, and blocking WIFIand GPS L1.And it great use for office, school,home to blocks internet browse,cellphone conversation and GPS signal, one device to coverage all 4G 3G GSM WIFI GPS frequencies,no need any other device to suppress wireless signal in your office,home,school.