Is there a device to boost cell phone reception - aerial to boost mobile phone signal

Is there a device to boost cell phone reception - aerial to boost mobile phone signal

2021/05/14 7JiTJ_s8tRM@outlook.com

Basic Info Model NO.: CPJ3050 Portable Wireless Block - WiFi Jammer: Portable Wireless Block - WiFi, Bluetooth Wireless Video Audio Jammer: Wireless Video Audio Jammer Items: Built-in Antenna Mobile &WiFi &GPS Jammer, Signal 850-894MHz: 925-960MHz 1805-1880MHz: 1920-1990MHz 2110-2170MHz: 690-806 MHz 2400-2483MHz: 2600MHz Lojack,CDMA450,GPS/Glonass: Wireless Camera,Car Remote Control Trademark: Necom-telecom Transport Package: Ployfoam and Carton Specification: CE, ROSH Origin: Shenzhen China HS Code: 8543892090 Product Description 6 Antenna Portable Mobile Phone Jammer ,GPS Jammer and WiFi JammerContact:lisaMobile:+86-18776131889Portable 6Bands Cell phone,Wi-Fi,Lojack,GPS Jammer/Blocker:CPJ-30501Basic features*Compact Size and easy carry* Multiple bands ,Individual channel on/off selector switches*Long battery life (>1.5hours)*VSWR Protect high effiency power amplifiers* Good cooling system with cooling fan inside*Could be used in Vehicle directly, With car chargerTechnical SpecificationsModel NoOutput PortFrequency RangeOutput powerRemarks CPJ-3050GSM850850-894Mhz27dBmused in the United States, Canada, Mexico ,S. America. Europe, Asia, Australia, Middle East, Africa.GSM900925-960Mhz27dBmGSM18001805-1880Mhz27dBmGSM19001920-1990Mhz27dBm3G21002110-2170Mhz27dBm4GLte700Mhz690-806 MHz27dBmWi-Fi 2.4G2400-2483Mhz27dBm4G Lte26002600Mhz270dBm Optional FrequencyLojack173.03MhzWe can Configured in accordance with customer requirementsCDMA450430-450/460-470MhzGPS/GLONASSL1:1575.42Mhz L2: 1227.60MhzWireless Camera1.2G ,2.4GCar remote control433Mhz,315MhzRF Power Output:3 WattProtection Radius: Typical 2-20m@according the signal density mobile networkJammer type: Sweep JammingApplication Type: meeting rooms, conference rooms, museums, galleries, theatres, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, trains, bus , hospitals, gas stations and more, Please do field test first to make sure no interference happened to the normal operation of their equipment and instrumentAntenna Type:Omini-DirectionalPower Source : Rechargeable Li-Lon Battery /AC adapter (100 to 240V AC -DC12V) and 12V car charger PlugElectric Filed (SAR):Compatible with ICNIRP Standards(Human safe)Operating Temp:-20 to +50ºCStorage Temp:-40 to +60ºCDimension(LXWXH): 220x 202x 60mmweight:0.75kg  

is there a device to boost cell phone reception

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