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Cell phone signal jammer circuit diagram | how to block cell phone signal in a room

Wireless Signal Detector 1.2G 2.4G 5.8G Camera Detector
Wireless Signal Detector 1.2G 2.4G 5.8G Camera Detector
Automatic Scanning Wireless Signal Detector 1.2G 2.4G 5.8G Network Signal Detecting RF Signal Detector VS-125 VS-1251.2GHz-2.4GHz-5.8GHzFull band video scanner Description: This new break through v ideo scanner covers three f requency bands:1.2 GHz-2.4 GHz-5.8 G Hz.The unique5.8GHz scanning technology makes this device the only one of i tskind. This detector detects and displays multiple hidden wireless cameras in multiple frequency bands up to 300 feet (depending on output powerof source t ransmitter). Itscans 1.2GHz,2.4GHzand5.8GHz three f requency bands synchronously within 30seconds. This detector has indications of NTSC or PAL / SECAM toidentif y the video system of detected signal. The Stop/ Scan buttoncan latch or release the image. The speaker will display the voice i f there is audio signal with the wireless camera signal.The 3 f requency bands have their own Stop/ Scan but ton and video systemindicator. This detector has 3AV outputs for recording the video and audio of the 3 f requency bands at the same time. This is the most advanced hidden wireless camera hunter you are looking for. Specially designed for easy and simple use, which does not require complicated installation or any professional knowledge. Features: Unique 5.8 GHz scanning technology. 3.5"High Resolution LCD Monitor, Color or B/W camera compatible. Video protocol auto- switching for NTSC,PAL/SECAM. NTSC or PAL/SECAM Video format indication x3  for 3frequency bands. 3 frequency bands auto scanning. " Fine Tuning" switches for mending screen image. Scanning LED indic ation x3 for 3 f requency bands synchronous scanning. 3.5 mm Video/Audio output jack x3 for 3bands synchronous recording. Specifications: Dimension: L19xH14xT4cm(antennalengthnotincluded) Weight: about 860g (including rechargeablebattery) Power:  1. Switching poweradaptor 2. Built-in rechargeable battery Batterylife: About 40 minutes after fullcharge; Detecting Frequency:1.2GHz, 2.4GHz, 5.8GHz three frequencybands; Monitor:3.5"High resolution LCD, Color or B/W cameracompatible; Scanindication1: NTSC or PAL/SECAM Video formatindication Scanindication2: Scanning LED indication x 3 for 3 frequencybands Warningmode:  1. Acousticdisplay 2. Silent detection through earphone Scanningband: 1.2GHz - 2.4GHz - 5.8GHz three bandssynchronous scanning Monitor display:      1. Auto band switching 2. Band selection switch for manual band change Audio Demodulation:  1.2GHzband: 6.0MHz,6.5MHz,5.5MHzswitable 2.4GHzband: 6.0MHz,6.5MHz,5.5MHzswitable 5.8GHzband: 6.0 MHz, 6.5 MHzswitable Audio /Videooutput: AV outputs x 3 for 3 bands synchronousrecording, with 3.5mm Video/Audio output jack x 3 (for recording) Detecting Distance: up to 300 feet (depending on output power ofsource transmitter) The detecting distance will be varied depending on the type and output power of signal sources.  

cell phone signal jammer circuit diagram

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