Call blocking phone , Professional Interference GPS Mobile Phone Signal Detector
Professional Handheld GPS & Cellphone Jamming Signal Detector vodasafeJD100  Disclose interference with mobile & GPS communication How if criminal using signal jammer to disable Mobile / GPS / WiFi communication toescape GPS tracing or Police arrest action Nowadays, thief uses signal jammer to disable the communication between truck and control center to steal expensive cars and lorries carrying valuable loads; or shut down the communication between office / home security system and control center to steal valuables or important data. This new handheld device can help Law enforce to scan cars on the road and to find if the criminal / car thief, hiding in car, uses GPS jammer to escape GPS tracking or, uses cellphone jammer to disable the mobile communication of GPS tracking system. This device consists of 2 detectors: 1.Wideband signal jammer of cellphone, WiFi, GPS, etc. 2.Narrowband L1 and Wideband GPS jammer User can shift between the 2 detectors according to searching object. Features: 1.Without interfere with cellphone or wifi  2.Environment noise filter  Power-on self-test Smart indication of all status 8-led signal strength indication  3.Warning modes  Select detecting object Battery & charging status  Sensitivity (distance) adjustment Support power bank for long time use  Specifications:(* specifications may change without notice) Detecting object:  1.Wideband jammer of Cellphone, WiFi, GPS, etc. 2.Narrowband L1 and wideband GPS jammer Dimension: L 11.6 x W 7 x T 3.3 cm (not including antenna) Weight: About 170g (not including battery) Power:     1. AAA / UM-4rechargeable battery or dry battery x 4 2. 5V DC switching power adaptor Warning mode :   1. LED     2. Beep     3. Vibration     4. Identified indication Bandwidth Resolution: Full  band detection Frequency scan timing for jamming signal: Always detecting  Handling of jamming signal : Instant light up TRIGGER LED after verified the jamming signal Maximum Detecting distance    : 1.Cigar plug type GPS jammer (30mW): about 4.5 meters 2.High power GPS jammer (2W = 2000mW):about 35 meters   ,

call blocking phone

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