Product Name: Car GPS Blocker Jax-110d-2 Satellite Signal Cut-off Device Auto Blocker Antispion Anti-Tracking Signal Jammer with Antenne Model NO.: JAX-110D-2 Chip: N/a Warranty: 1 Year Certification: CE, FCC, RoHS Screen Size: No Screen Use: Car Use Trademark: N/A Transport Package: Carton or Bubble Bag Specification: 3.54x3.35x1.1 in (9x 8.5x2.8 cm) Origin: China Product Description Car GPS Blocker JAX-110D-2 Satellite Signal Cut-off Device Auto Blocker Antispion Anti-Tracking Signal Jammer with AntenneFeatures:Prevent car from being tracked.Prevent people from being tracked.Prevent rented-car and lended-car from being tracked.Prevent car of government, intelligence agency, famous person, principal etc. from being tracked.This device doesnt interference mobile phone and other wiring (electronic device).This device doesnt affect navigation device which installed on other cars.Small volume, carried easily, and international use.It adopts the technology of interdiction and interposition code, so will intercept the signal of satellite and break it completely.It can be used directly as long as you insert it to the smoke-lighted device on car.Specification:Material: ABSInterception frequency: 1570-1580MHzWorld GPS satellite special channel: L1/L2Power source: DC12V-24VConsumption current: 150mAWorking temperature: -30~60ºCOutput power: 2mVSpecification of fuse: 10ARange of interceptionradius: 2-5 meters in car(with antenna) AntennaFull tropism antenna