Cell Phone Booster, Boost 4G/5G Signal up to 4500Sq ft, Support band 5/12/13/17, FCC Approved

This powerful cell phone signal booster from Phonetone enhances 5G, 4G LTE, and 3G signals for Verizon, AT&T, and T-Mobile, providing reliable coverage up to 4,500 square feet. With easy app-guided installation and a flat window cable, it delivers a stable connection without the need for drilling. The booster's high-gain directional antenna and ALC technology automatically adjust the signal strength to ensure optimal performance. Backed by a 30-day money-back guarantee, 3-month replacement, and up to a 3-year warranty, this FCC-approved device is the perfect solution for improving cellular reception in your home or office.

• FCC Certified: :Cell booster complies with all FCC guidelines and meet the requirements of application standards,does not interrupt or compromise any carrier's signal to and from the cell tower.
• Tips! Check if your cell phone is compatible with the product band before purchasing.
• Check the band Method:
• For Android phone: Download 'Network Cell Info Lite' or 'LTE discovery' → check 'Band' number
• For iPhone: 1. Dial *3001#12345#* and press call button→2.Check “Band Info”
• The band numbers will change when the signal is unstable, we recommend that you test a few more times outdoors where the signal is better to see what the last consistently appearing band numbers are.
• Tip! This product only amplifies weak cell phone signals, not WIFI signals.
• Easy app-guided installation using the service app to locate the nearest cell tower for precise antenna alignment
• Flat window cable allows for drill-free setup
• ALC technology automatically adjusts the signal strength to ensure optimal performance and prevent interruptions
• High-gain directional Yagi antenna improves signal reception from a distance
• FCC-approved with a 30-day money-back guarantee, 3-month replacement, and up to a 3-year warranty. FCC ID: 2ALZECL70VA-01
• Still confused about this product and don't know how to choose? Consult our customer service, we will answer your questions within 24 hours.