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Cell Phone Signal Booster for AT&T & T-Mobile, 5G 4G LTE Band 12/17 700MHz
✅ In stock
F
Grade
Analysis Confidence
47%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 19, 2026 6:36 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.
- 📉A lower price did appear very recently, suggesting the market may revisit that level before long.
- ➡️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
5/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
JACOOL
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Cell Phone Signal Booster for AT&T and T-Mobile — This cell phone booster for AT&T and T-Mobile amplifies existing outdoor cellular signal to improve indoor coverage up to 3,000 sq ft in homes, offices, cabins, garages, basements, and metal buildings; actual coverage varies with outside signal strength, building materials, and antenna placement
✓Band 12/17 700MHz 5G & 4G LTE Compatibility — Designed for Band 12 and Band 17 on 700MHz, this cellular signal booster supports 4G LTE and compatible 5G service only when the active cellular signal operates on a supported band; works with AT&T, T-Mobile, Cricket, Straight Talk, and compatible MVNOs, not Verizon, Wi-Fi, or unsupported bands
✓65dB Cell Signal Amplifier with AGC — Built with up to 65dB gain and Automatic Gain Control, this cell signal amplifier automatically adjusts gain based on signal conditions, while LED indicators help show operating status; helps improve calls, texts, and cellular data for multiple compatible devices at the same time
✓Complete Cell Phone Booster Kit with Yagi Antenna — Complete cell booster kit includes the booster amplifier, outdoor directional Yagi antenna, Indoor whip antenna, coaxial cable, and power adapter; install the outdoor antenna where usable AT&T or T-Mobile signal is available and aim it toward a compatible cell tower for better performance
✓FCC Approved with Proper Antenna Installation — FCC approved signal booster is designed for home and office installation; aim for at least 20 ft vertical or 50 ft horizontal separation between the outdoor and indoor antennas to help prevent oscillation, keep the booster in a dry, ventilated area, and make sure usable outdoor signal is available before setup
⚙️ Specifications
Brand
JACOOL
Wireless Communication Standard
Radio Frequency
Frequency Band Class
Single-Band
Special Feature
Home Cell phone Signal Booster For AT&T Band 12, Improve 5G 4G Data&Vocie, NO More Dropped/Missed call, Fast Network Data, Cell Booster for Home Support Mutiple devices
Color
ATT/Blue
Wireless Compability
Radio Frequency
Special Features
Home Cell phone Signal Booster For AT&T Band 12, Improve 5G 4G Data&Vocie, NO More Dropped/Missed call, Fast Network Data, Cell Booster for Home Support Mutiple devices
Frequency
700 MHz
Compatible Devices
4g Lte Devices, 5g Devices, At&t Smartphones, Cell Phones, T-mobile Smartphones
Frequency Bands Supported
Band 12, Band 17
Range
3000 square_feet
