Find any Amazon.com product's deals and best prices with our free Amazon deal finder and price tracker. Simply paste the product link (URL) or search by name in the box above. You'll get full product information, Deal Score, and all current deals. Shop smarter with the best Amazon deals finder in the USA.
x
Sorry, Something went wrong!
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
✅ In stock
F
Grade
Analysis Confidence
85%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 28, 2026 9:51 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price sits right around what this item typically fetches.
- 🏷️The listed retail price is trimmed by 5% at checkout.
- 📉This is the most affordable price seen in roughly three months — a solid near-term opportunity.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
7/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
SHWCELL
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓📶 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.
⚙️ Specifications
Brand
ISNMDND
Wireless Communication Standard
Radio Frequency
Data Transfer Rate
700 MHz
Frequency Band Class
Dual-Band
Color
jet black
Wireless Compability
Radio Frequency
Special Feature
Automatic Gain Control, Directional Antenna, Self-Oscillation Prevention, Energy-Saving Standby Mode
Special Features
Automatic Gain Control, Directional Antenna, Self-Oscillation Prevention, Energy-Saving Standby Mode
Compatible Devices
Smartphone
Frequency Bands Supported
Band 12, Band 17
Range
4000 square_feet
