YYBSTR Verizon AT&T T-Mobile Cell Phone Signal Booster
YYBSTR Verizon AT&T T-Mobile Cell Phone Signal Booster

YYBSTR Mobile Signal Booster, Verizon AT&T T Cellular Speakers - Boost Your 2G 3G 4G Calls

How cell phone signal booster works: Cell phone signal booster uses an external antenna to search for cell phone signals in this area. It picks up these signals and improves their strength while boosting the signal. The indoor antenna sends an extended signal for your phone to receive.

Scope of delivery: 1 x booster, 1 x power supply unit (US plug), 1 x indoor antenna, 1 x outdoor antenna, 1 x 15m coaxial cable, 1 x user manual

Frequency: 850MHz (Band 5), 1900MHz (Band 2)

Working voltage: AC100 ~ 240V, DC5V / 2A

External antenna: lightning protection, waterproof, drain down, adjustable steering, without stabilizer

Indoor antenna: 32cm high, 3m (9.8ft) cable length, magnetic base, can be absorbed by any metal

Application: It can be used in apartments, hotels, offices, basement buildings, cafes, shopping malls, etc.


1. It is best to keep indoor and outdoor antennas more than 8 meters (26 feet) away, and it is preferable to separate them with walls. The external antennas are best installed horizontally in a better signal area with a view of the nearest cell tower.

2. You need to put 2-3 signal bars outside, otherwise the signal will not be amplified because it strengthens the cell phone signal.

3. Please ventilate well and do not overheat.

If you have any questions, please feel free to contact us via seller and buyer message or after-sale email. Thank you so much!

YYBSTR Verizon AT&T T-Mobile Cell Phone Signal Booster
YYBSTR Verizon AT&T T-Mobile Cell Phone Signal Booster

  •     1. Work with AT&T, T-Mobile, Verizon, Sprint and the United States. Cell phones, wireless cricket, etc. Dual Band Cell Phone Booster (850MHz / 1900MHz), smart chip, better sound quality, fewer calls. It can improve the signals of these multiple companies and devices at the same time. This also applies to other countries in North and South America.
  •     2. Support 2G / 3G / 4G calls: The voice, text and 3G data can be improved, but the 4G / LTE data cannot be improved. You can access the Internet through your home WiFi network. The maximum coverage area is approximately 3,500 square feet / 32.8 feet of coverage radius. Indoor coverage area depends on external signal strength.
  •     3. Beautiful: New big screen, unique design, it is not only a mobile phone signal booster, but also a work of art. It can be used in homes, hotels, offices, basement buildings, cafes, shopping malls, etc.
  •     4. Easy to install: Simple instructions and DIY installation make it easy. The package contains all components required for installation. No registration, no settings.
  •     5. Product warranty: FCC certification, every product has passed the quality control, and a 30-day money-back guarantee is provided. If it doesn't work, it might be because it doesn't match your frequency range. You will receive a full refund. One year manufacturer's warranty as long as we can exchange it with a new one during the service period.

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