Output Power 20dBm Dual Band Amplifier For 2G 3G 4G Cell Phone

Output Power 20dBm Dual Band Amplifier For 2G 3G 4G Cell Phone

2G 3G 4G Dual Band Repeater Mobile Cellphone 850/1900MHz Signal Booster Amplifier

The repeater for mobile network JS-DB850/1900/P,2G/3G & 4G is used to amplify poor mobile Internet. The device features LCD screen guiding you through setup. It covers up to 3000 ft2, being effective for small private houses or other locations like offices, garages, shops, etc. The repeater amplifies signals at two frequency bands at the same time - 850 MHz and 1900 MHz - which are mostly used for providers in such countries as North and South America, Canada.

With the help of this mobile phone repeater for home you´ll improve the quality of GSM calls. Some providers also use these frequencies for 3G and 4G mobile Internet, so, in this case, the JS-DB850/1900/P, will improve 2G/3G&4G network as well.

Among other distinctive and helpful features of JS-DB850/1900/P, 2G/3G & 4G there are:

• LCD screen showing outdoor signal and output value. The system will guide you through installation process and show you error tips with solutions.

• Automatic adjustment of gain and signal basing on the individual signal reception conditions.

• Sleep mode helping to save energy when you do not use mobile 2G/3G/ 4G Internet.

Technical Specifications

Further detail pls click here for downloading the products specification:

850+1900MHz C03 Mobile Signal Repeater.pdf

Shenzhen ATNJ Communication Technology Company was founded in Nanshan District, Shenzhen in 2010 with over 900sqm factory. ATNJ focuses on the production and development of micro power signal booster, wireless signal repeater, Indoor Signal Distribution System and antenna series. With professional engineers, workers and with senior management personnel, the group maintains high-speed development.

Main products: small, medium and high power 2G,3G,4G, and 5G signal repeaters with multi-frequency combination, digital multi-subband signal repeaters, digital optical fiber repeaters, various types of RF modules, etc.

Meanwhile, we undertake OEM/ODM services and projects of various RF, wireless repeaters, multi-frequency DAS systems, remote network management center OAM and equipment provision of indoor and outdoor signal coverage projects.
Main partners: mobile operators, system integrators, electronic retailers, individual users, etc.

Meanwhile, the Up-to-date facilities and technology end sure the business long-term development. With the rapid development of the company, ATNJ moved to Guangming District, Shenzhen in 2016 with a bigger factory over 2800sqm and over 50 workers.

In its stage of rapid development, ATNJ advertised its products by attending trade exhibitions oversea, cooperating with many platforms like Made-in-China, Alibaba, Global Sources and so on. Especially, ATNJ attended Mobile World Congress in Spain, which made ATNJ well known in the world and through MWC, ATNJ started to cooperate with many oversea companies.

Nowadays, ATNJ not only produces and develops high-quality home use signal booster and high power wireless repeater, but also expands its business scope to cooperate with signal operators, provide signal coverage solution for large area like residential area, office building, supermarket, underground garage and rural areas.

With the populization of signal repeater, users have more requirements for the functions of the signal repeater. In 2020, ATNJ developed smarter digital module signal repeater with WIFI connection monitoring function, with which users could control the signal repeater and watch the siganl repeater working situation with their mobile phone. Signal repeaters with WAN connection/Bluetooth connection/USB connection were developed at the same time.

In 2021, 5G signal booster was developed and put into Chinese market successfully. In addition, ATNJ starts to upgrade the signal booster from analog module to digital module, with which the products (micro power signal booster, wireless signal repeater, Indoor Signal Distribution System) could be operated and controlled with WIFI connection, WAN port, USB port and SIM card.

What‘s more, more functions are equipped in our products, like band select, sub bands, OLED screen display, MGC. With the progress of science and technology of ATNJ, easier use and more functional signal boosters have being developed.