Product Description Cell Phone Signal Detector,Detect Cell Phone Signal,Cell Phone RF Detector,Wireless Signal Detector,Cell Phone Detection Devices,Cell Phone Detector Reviews,Signal Finder for Cell Phones,Radio Frequency RF Signal Detector,Cell Phone Signal Detector Finder, at Wholesale Price From China Factory.1.Quick Deteilscolor:whiterange:1-10MIntroduction of product  (1). portable cellphone signal detector can exactly detect the CDMA,CSM,S,PHS(3G) within 1-10m.  It will alarm through vibration and radiation when it detect the cellphone signal,meannwhile,display the style of signal to effectively forbiding cellphone.This item only for mobile phone signal.  2.Detect TX frequency  A.RX Frequency:824Mhz~849MHZ (CDMA)  B..RX Frequency:890MHZ~915MHZ  (GSM  C.C.RX Frequency:1710MHZ~1785MHZ (DCS)  D.RX Frequency: 1920MHZ~1980MHZ (PHS&3G)  *Inner antenna  detect radius:1-10m    According to the signal strength of the place mobile phone working  working indrection light:  green light is normal. the red light is RF detect  means of alarm: voice and light, vibration..both ok  working temperature: -40°C~+55°C.  Receiving antenna:omni direction (inner-setting)  working volt: AC 110-240V  50/60HZ  DC jack 5v 2A (input)  size:96Lx58Wx24H  working Hour: continue working for a long time  enviromment temperature:-20°C~+65°C  relative temperature:30% to 70% 2.specificiationOutput portFrequencyCDMA824-849MHZGSM890-915MHZ DCS1710-1785MHZ PHS/3G1920-1980MHZAvailable system: world wide cell phone networkPower supply: AC adapter   (AC 110-240V   DC5V) Operate time: 2-3 hours continuousSemidiameter of interception: 1-10 m(-75dBm)       Antenna:  built-in aerial  Power consume:1 W        weight: 200G      Dimension: 97(L) ×60(W) × 23(H)mm3.Application:1. Conference room, auditoriums, law court, library, exam room, school, cinema, theater, museum, hospital etc. 2. Places where using mobile phones is prohibited such as Service Station, Security Services, Military Units, Border Patrol and Drug Enforcement, Customs, etc.