Cell Phone Signal Booster for AT&T 5G 4G LTE Band 12/17 | Up to 4000 Sq Ft Coverage for Home & Office | FCC Approved Cell Phone Booster Amplifier
4.3 (24 items)
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Product details
| Management number | 209156124 | Release Date | 2026/03/29 | List Price | US$39.60 | Model Number | 209156124 | ||
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| Category | |||||||||
- 📶 Enhanced AT&T Network Compatibility--This cellular signal amplifier is engineered for AT&T networks and also supports major carriers like T-Mobile, Straight Talk, Cricket, and U.S. Cellular. It operates on Band 12 and Band 17 (700MHz) and is fully compatible with 5G-ready devices, 4G LTE, and 3G networks. Frequency range: Downlink 728–746MHz, Uplink 698–716MHz. Enjoy clear calls, fewer dropouts, and a stronger signal—typically boosting 1–2 bars to a stable 3–5 bars across 4,000+ sq ft.
- 📶 Superior Call Clarity & Data Performance--Our signal booster captures and amplifies existing cellular signals to deliver enhanced voice quality and faster data speeds—ideal for VoLTE calls, streaming, and browsing. Stop missing important calls or stepping outside for a signal. Save on expensive internet fees while supporting multiple users at once with reliable, high-performance coverage.
- 📶 Expanded Coverage & Full System Compatibility--Equipped with a high-gain directional antenna, this booster extends strong and stable signal coverage up to 4,000 sq. ft. Works seamlessly with iOS, Android, and Windows devices. Enjoy smooth streaming on YouTube, Netflix, TikTok, and more—whether at home, in offices, rural areas, or spaces with metal roofs or thick walls.
- 📶 Intelligent Tech & Easy Setup--Featuring Automatic Gain Control (AGC), 65dB max gain, and self-oscillation prevention, this booster auto-adjusts for optimal performance. Includes an energy-saving standby mode. Everything you need comes in the box: 50 ft coaxial cable (extendable to 100 ft), and a straightforward 30-minute installation process.
- 📶 FCC Certified & Reliable Support--Built with high-quality components and fully FCC certified. Backed by a 30-day money-back guarantee, 3-year manufacturer warranty, and lifetime technical support. Our dedicated customer service team is available 24/7 to assist with any issues—we’ll promptly replace any component if needed.
| Brand | ISNMDND |
|---|---|
| Color | jet black |
| Range | 4000 square feet |
| Item Weight | 1.02 Kilograms |
| Manufacturer | ISNMDND |
| BuiltIn Media | 1* Cell Phone Signal Booster Band 12, 17 |
| Special Features | Automatic Gain Control |
| Compatible Devices | Smartphone |
| Data Transfer Rate | 700 MHz |
| Frequency Band Class | Dual-Band |
| Warranty Description | 3 year manufacturer |
| Wireless Compability | Radio Frequency |
| Frequency Bands Supported | 700 MHz |
| Item Dimensions D x W x H | 6.85"D x 5.12"W x 0.94"H |
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Signal Boosters
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