How can you boost cell phone signal - how to improve my cell phone signal

Desktop 6 Bands Signal Jammer/Blocker; GSM, 3G, 4G Cellphone, GPS; Lojack Jammer/Blocker up to 50meters  Stationary 6Bands Jammer/Blocker  Vodasafe X6adj Brief Description：  Vodasafe stationary jammer X6adj can adjust block range is best using in  rooms or vehicles. X6adj can Jamming all types of wireless devices, such as mobile phones, walkie-talkie GPS Tracker, Lojack, Wi-Fi/Bluetooth etc. Create a “prohibited” area with a radius of 50 meters for all wireless devices, in the coverage area.They will not be able to send messages, answer calls and they will lose the ability to access the Internet.Equiped with 12V car charger,so it is very convenient for using on vehicles. Features: *Adjustable working range you can avoid blocking adjacent areas *Friendly use and maintenance *24/7hours working, Could continue to work *Good cooling system with unique case as big heat sink and 3 fans inside *Portability: Vehicular power cable included Could be used in Vehicle directly jamming car bomb Applicable place:  It can be applied in a meeting room, conference room, museum, gallery, theater, concert hall, church, temple, restaurant, classroom, training center, factory, bank, train, car, bus, etc. Specification: Total Output Power:16 Watt Output power Adjustable could adjust the jamming range Cover Radius: 10-50m(under Signal level ≤-85dBm)@according to the signal density mobile network Jamming type: Sweep Jamming Antenna Type: 3dBi external omni-directional Power Supply: AC adapter (50 to 60Hz/100 to 240V AC –DC12V) and 12V car charger  Electric Filed (SAR): Compatible with ICNIRP Standards (Human safe) Operating Temp:-20 to +50℃ Storage Temp:-40 to +60℃ Humidity: 5%-80% Dimension(LXWXH): 305 x 140x 51mm not include antennas Inner box dimension:450x240x85mm Weight:3kg Order Information: X6adjB CDMA/GSM/3G2100MHz/4GLTE Cellphone/GPS/Glonass/GalileoL1 Europe Type frequency for Europe, Asia, Australia, Africa.  1. GSM900MHz:925-960MHz; 3W  2. GSM1800MHz:1805-1880MHz; 2.5W  3. 4GLTE700MHz:790-821MHz; 3W 4. 3G2100MHz:2100-2170MHz;2.5W (3GUMTS/WCDMA/TD-SCDMA/CDMA) 5. GPS/Glonass/GALILEOL1:1570-1620MHz; 2.5W  6. 4GWiMAX/4GLTE:2500-2700MHz;2.5W  Total Output Power: 16W Package contents: 1pcs Signal Jammer 1pcs AC Charger 1pcs Car Charger 6pcs Antenna 

how can you boost cell phone signal

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