Illegal schools use cell phone signal jammers - cell phone signal disruptor

Cell Phone Amplifier Repeater - High Power GSM900 Mobile Phone Signal Booster

Product Description As you know, this came with a new problem along with the benefits of mobile phones, a lack of good mobile phone coverage. In the signal dead zone or weak area, we nearly couldn’t use a cell phone. And now there is a way to enhance and amplify the cell phone signals in those areas that is mobile phone signal booster, also we call it mobile phone signal amplifier or signal repeater.Signal repeater is an effective device which designed to pick up the outdoor reception from service provider’s cell phone tower and then the signal can be amplified. You can use it at any place which your signal is weak. The can boost signals for your cell phone. The easily install of the device make it possible to hot products in global.The radius range of the GSM900 mobile phone signal booster reaches to 1000 square meters, and the can used in GSM900 mobile phones. With more detailed information please check the product features and specifications. Notes : Long range Mobile Phone Signal Repeater! Up to 1000 square meters!This device is for GSM900 signals only. Please check frequency your country uses before purchasing Specifications : Frequency range: -Up link GSM 890-915(MHz) -Downlink GSM 925-960(MHz) Coverage: Up to 1000m2 (Distance will be reduced when obstacles are in the way i.e. surrounding walls) Gain (dB): -GSM Up link 65 -GSM Downlink 70 Gain adjustable range： MGC≥30dB Pass band ripple: GSM: 4 dB I/0 impedance: 50V/N Connector I/0 return loss: ≤- 10 dB Noise igure: ≤- 8 dB Intermodulation attenuation(Po=13dBm): ≥40dBc Transmission Delay: ≤0.5us Guard band rejection : -GSM (BW-60dB) ≤42 MHz，(BW-70dB) ≤ 45 MHz Power supply: AC110～220V±10% 45～55Hz Dimensions: Signal Booster: 158 x 136 x 37 mm (L x W x D) Reliabiity: To zhe GB6993-86 standard Electromasnetic compatibility: To zhe ETS300 694-4 standard Color:Grey Note:Please be clear about which frequency you want to boost. You must check your local Mobile Frequency range and choose the booster as per your required Frequency. Please check your country’s Mobile Frequency here. http://worldtimezone.net/gsm.html

illegal schools use cell phone signal jammers

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