The Phonetone cell signal booster boosts signal for multiple cellular devices and users, so you can experience strong signal in your home, office, basement or metal building. The users within the coverage of the cell phone signal booster will enjoy fewer dropped calls, better voice quality, faster data speeds and smoother streaming video on band 12/17 and band 13. The booster works for the two largest cell carries in the USA - Verizon and AT&T. It is approved to operate on frequency bands 12, band 17 and 13 without interrupting or harming any cell carriers' signals to and from the cell tower Frequency Range: Band 12/17: Uplink 698-716MHz; Downlink 728-746MHz Band 13: Uplink 776-787MHz; Downlink 746-757MHz Note: 1. The booster can only amplify signal, it can't create signal. If there is no signal outside or the outside signal is too weak, the booster can't work. You had better have 1-2 bars of signal outside to use the booster. 2. The booster can only works well when the frequency band of your phone is the same with that of the booster, please check the frequency band of your phone before purchase.

• Advanced Features & Smart Device - The booster built-in multiple updated features, such as automatic gain control, LED indicator, standby mode, which help the booster intelligently detect the existing signal strength outside your house, and adjust itself for best performance.
• Designed for Verizon and AT&T - The booster enhances signals for the largest US cell carriers - Verizon and AT&T, boosts 4G LTE and 5G signals for all cellular devices operating on band 12, band 13 and band 17, you will enjoy fewer stopped calls, faster data speed, and smoother streaming videos in your house, office, cottage, cabin, camper, basement etc.,
• Ready for 5G - The booster supports 5G band that largely deployed in current bands 12, 17 and 13 by Dynamic Spectrum Sharing by carriers. If you need a 5G cell booster, please ensure that you have a 5G phone and your carrier has deployed 5G in the 4G band of 12,13 and 17 before purchase.
• Powerful Antennas & Large Coverage - This cell phone booster comes with high gain directional antenna, allow you to point it to the nearest signal tower more accurate and get more signals, expanding the indoor coverage up to 4,500 sq ft.

Product Dimensions:

15.60 x 8.90 x 6.40 in

4.50 lbs

Shipping Dimensions:

16.75 x 9.85 x 7.50 in