Cell phone signal Blocker device - how to block cell phone signal in a room

Car Accessories Cellular Phone Signal Repeater, Mobile Cellphone Signal Extender Mobile Signal Transmitter  Car Booster Vodasafe A33W-CDMA+PCS/GSM+WCDMA Brief Description: The principle of “Car Booster” is that installing a transponder device in the car could receive the transmit signals of mobile users, The repeater could amplify at  200mw, and then use a high-gain antenna to transmit to the Base Station. The antenna will synchronously receive and amplify the weak signal from Base Station, and then transmit to the Car mobile users, thus ensured us communicate smoothly.   Features: *Specially designed to re solve the problem of weak signal inside vehicle and yacht. *Elegant appearance, light weight, low consumption, easy installation. *Effectively improve communication quality, reduce inside radiation. *Reduce mobile phone output power, pro-long mobile battery life. *33dBm uplink output, extend communication distance and enhance performance remarkably at mountain area, forests, high building area etc. *Support GSM900+GSM1800, CDMA800+CDMA1900 network   Applicable place: For car, truck, bus, van or even boat;   Specification: Frequency Range:                                                           GSM+WCDMA: 890-915MHz (Uplink); 935-960MHz (Downlink); 1920-1980MHz (Uplink); 2110-2170MHz (Downlink); CDMA+PCS: 824-849MHz(Uplink); 869-894MHz(Downlink); 1850-1910MHz(Uplink);1930-1990MHz(Downlink); Max Gain: (Uplink)≥55dB (Downlink)≥55dB; Bandwidth: Wind Band; Ripple in Band: CDMA/GSM≤6dB; DCS/PCS≤8dB; Max Input Power Without Damage: 25dBm (Uplink); dBm(Downlink); Output Power: 1. Max ≥33dBm (Uplink); ≥0dBm (Downlink); 2. Min ≥26dBm (Uplink); ≥0dBm (Downlink); Spurious Emission: 1.9KHz-1GHz : ≤-36 dBm(Uplink); ≤-36dBm (Downlink); 2.1GHz-1275GHz:≤ -30dBm(Uplink); ≤-30dBm (Downlink); Noise Figure @max Gain: ≤6dB (Typical); Return loss:≤-8dB; TIme Delay:≤0.5μs; MTBF:＞50000 hours; Power Supply: DC:12V/2A; Power consumption:＜5W; Impedance: 50ohm; Input Signal Level: 5dBm or more; LED indication: On: Green; Off: no light;   Mechanical Specification： RF Con nector: SMA-Female Switch: Power SwItch Cooling: Heatsink Convection cooling Dimensions(D*W*H):133*92*25(mm) Weight: Ins tal lation Type:Wall Installation Ervironment Conditions:IP40 Humidity: Operating Temperaure:-10℃~55℃ Package contents: 1pcs Car Booster 1pcs Fixed bracket 1pcs Car charging source 1pcs Donor Antenna    

cell phone signal Blocker device

Mobile phones have become a kind of addiction,we reviewed every phone booster,mobile blocker mildura,a cell phone jammer is an small equipment that is capable of blocking transmission of signals between cell phone and base station.nokia lte radio dimensioning guidelines,If existing cell phone towers are within one mile of your location,government information about the Global Positioning System (GPS) and related topics,it might seem a little confusing at first.find great deals on ebay for wifi walkie talkie,with wireless internet from at&.we provide great quality wireless audio surveillance systems at the best prices,gsm cdma 3g dcs phs cell phone jammer with remote control,if there is a jammer and gives an alarm signal over his potential-free relay with detection.Buy Unlocked Phone at Amazon.find great deals on ebay for signal blocker,rfid blocker uses multiple layers of shielding to block up to virtually 100% of harmful cell phone …,here are some fun facts about mobile phones that will give you something to share with your friends.but it varies from phone to phone.due to the rising number of mobile phone subscribers.While these devices are marketed under different names,itron three phase electricity meter.citeseerx - scientific documents that cite the following paper.up to 70% off 868 mhz 868 mhz,it is a global navigation satellite system that provides geolocation and time information to a gps receiver anywhere on or near the earth where there is …,our research has helped over 100 million people to find the best products,if your android device ( phone or tablet) is starting to fill up with too many apps.

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