Multi-Function Mobile Phone 2G 3G 4G Signal Detector

2G_3G_4G Cell Phone Detector / Mobile interneting detector VDS-055UF This new cell phone detector is made for detecting cellular phone communication in a place, without interfere with 2- way radio, cordless phone or wireless camera, etc. It has breakthrough ability in detecting GSM, 3G, CDMA and new 4G (LTE) signal.   This device offers options of warning mode: LED, voice warning message and acrylic light panel. This device also provide relay output to trigger the alarm system or other alarm devices. Specially designed for easy and simple use, which does not require complicated installation or any professional knowledge. Standby / Idle Phone Registration Detection This device can detect the standby / idle phone when it do registration with the cell site. The interval time and number of times of registration is different among different networks and cellphones. FEATURES of Professional Cellphone Detector 1.    Multiple Detector Modules        This device consists of multiple detector modules. Each      detector module  is like a miniature spectrum analyzer, detecting specified frequency range. 2.    Respective Identify & Display All The Detected Frequencies and Networks at the same time        Each detector module has a separate signal detection indication. If there are various cellphone operating in same room, so as people use cellphone with different networks: talking on GSM 900 phone, mobile internetting on3G2100 and4G1800 smart phones, WiFi internetting on tablet, etc. this device can respective identify and display the  frequency and network of all detected signals at the same time. 3.    Locate and Find Out The Signal Source        Each detector module has a separate sensitivity tuner which allows user to gradually decrease sensitivity to shorten the detection distance, to locate and find out the signal source. Specifications:   LED blinking shows the signal frequency band. Audible alarm. 1A relay, with NO / NC output. User's own pre-recorded voice warning (optional). Acrylic light panel (optional). Built-in rechargeable battery. Switching power adaptor. Power: Warning modes: Sensitivity tuner: eliminate the environment interference (noise) Battery life: about 1 hour after full charge Weight:about 1.3 kg (including rechargeable battery) Size: L 275 x W 105 x H 50 mm (not including antenna) 5 Cellular phone frequency bands (network) selectable: 3G(WCDMA): 850, 900, 1800, 2100 CDMA: 800, 1900 2G(GSM): 850, 900, 1800, 1900 4G(LTE): 700, 850, 900, 1700, 1800, 1900, 2100, 2300, 2600 Detecting distance: Up to 20 meters Dimension：L 275 x W 103 x H50 mm (not including antenna) Weight：about 1.3 kgs Power：1. Switching power adaptor   2, Build-in rechargeable battery Detection Cellphone network：2G/3G/4G Cell phone frequency bands coordinating    with customer’s order Battery life：About 1 hour after full charge Battery low warning：Red LED Warning mode：1. Red LED   2. Voice warning   3. Acrylic light panel   4. Relay output, NO / NC Sensitivity Tuner：Set up the detecting benchmark to fit the environment Detecting Distance：1. 3G/4G cellphone, 3G bug, 3G spy camera: up to 20 meters   2. GSM cellphone and GSM bug: up to 40 meters Order Information: Minimum Order: Negotiable    

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