Jammer JO3 can block phone frequencies up to 4G LTE, VHF-UHF radio frequencies and GPS Lojack frequencies.

Protect your privacy on the go with this portable briefcase jammer, hidden in a discreet briefcase. Block cell phones, bugs or any other device transmitting on these frequencies.

Travel comfortably with our new hidden briefcase jammer! 

What is this briefcase jammer’s purpose?

  1. It jams all cell phone frequencies within a range of 10-40 meters;
  2. It blocks and prevents bugs and microphones from transmitting on those frequencies;
  3. It scrambles VHF / UHF 130-180MHz and 400-470MHz frequencies;
  4. It inhibits LoJack frequencies (the frequencies dedicated to the car GPS tracking).

Technical specifications

European Frequencies: 130-180MHz: 3W 400-470MHz: 3W 920-965MHz: 3W 1800-1890MHz: 3W 2100-2170MHz: 3W WiFi 2400-2480MHz: 1,5W 4G LTE WiMAX2 Europe 2620-2690MHz: 1,0W 790-870MHz 4G LTE: 1,5W
American Frequencies: 850-895MHz: 3W 920-965MHz: 3W 1800-1990MHz: 3W 2100-2170MHz: 3W WiFi 2400-2480MHz: 1,5W 4G LTE USA iPhone (AT&T & Verizon) 700-800MHz: 2W 4G WiMAX USA Sprint 2500-2700MHz: 1,0W GPS: L1 1575.42Mhz: 1,5W
Frequency Options: Car Lock Remote Control: 315MHz, 433MHz, 868MHz, GPS L2 L3 L4 L5, LoJack 173MHz, SAT satellite mobile phones 1520-1670MHz, 11.a WiFi 5,1-5,5GHz, 5,5-5,9GHz o 3,5-3,7GHzEach module of each band is independent.
Output Power: 19W
Jamming Range: 10-40 meters (depending on signal strength)
Antenna Interface: 210mm for high frequencies / 380mm for 130-180MHz

Extra Info

Battery: 2-3 hours, can be used while charging 12V/20AH
Power Adapter: 6A
Dimensions (LxWxD): 430*350*120 mm
Warranty: 1 year


    8 Band Briefcase Jammer