Signal Boosters

Purchase an antenna signal booster to increase your phone’s signal today! Do you live in an area where signal strength is very low? Or maybe it’s just your carrier, but you can never get a signal from your warm & cozy bed in the morning? Looks like you are in need of a cellular phone antenna. A wireless phone antenna can help solve poor signal issues immediately! The Geeks offer free shipping to the U.S. & Canada which makes this deal just that much sweeter! Not being able to make a call when you want is just annoying. The Geeks experiences have been so frequent in our area that we are glad we had a cell phone case on our phones after we threw them in frustration brought on by very weak signal strength. Don’t carriers understand that we need to call our mom’s to come pick us up from work in the dark? JK! (or are we?). All joking aside, cell phone antennas are one of many helpful cell phone accessories that the Geeks have gotten their hands on. An antenna signal booster can help increase signal strength in various environments. At home, office, warehouse, cabin, or in the car, RV, or trailer are just a few instances where using a cell phone antenna may be beneficial. Pick up a wireless phone antenna today and let the Geeks take care of shipping costs. Yup! You heard correctly! AccessoryGeeks is offering free shipping within the U.S. and Canada to our loyal customers. We also have a great customer support team that can handle all of your wireless phone antenna questions as well. The easiest way to iron out any antenna signal booster questions is over the phone. You can reach the Geeks at 1-866-468-9480 Monday through Friday 8am-4pm PST and remember! You got it from A Geek!

Sure-Call by CellPhone-Mate 65dB Tri-Band Large Home/ Small Building Amplifier for AT&T 4G - Up to 6,000 Sq Feet!

SKU: CM-TRIFLEX-A

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USD $899.99

REG $949.99

with Free Shipping

Quick Overview


  • Optimized for AT&T
  • High integration and low cost
  • Supports multiple users
  • Automatic Shutdown to prevent interference to cell phone towers
  • Oscillation detection
  • Automatic Gain Control
  • 65 dB gain manually adjustable
  • Tower proximate technology
  • DC variable input
  • Reconfigurable 3-band
  • Patent pending
  • Supports all 2G, 3G and 4G standards
  • Supports all carrier frequencies (Except WiMax and iDEN)
  • Package includes: Tri-Flex A amplifier, AC power supply, User Manual, and Mounting Kit
  • Dimensions: 8.5" x 6.25" x 1.25"
  • RF connectors: N Female connectors on both ends
  • Noise figure: 7 dB
  • Average/Maximum Gain: 65/75 dB

Sure-Call by CellPhone-Mate 65dB Tri-Band Large Home/ Small Building Amplifier for AT&T 4G - Up to 6,000 Sq Feet!

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  • Sure-Call by CellPhone-Mate 65dB Tri-Band Large Home/ Small Building Amplifier for AT&T 4G - Up to 6,000 Sq Feet!
  • Sure-Call by CellPhone-Mate 65dB Tri-Band Large Home/ Small Building Amplifier for AT&T 4G - Up to 6,000 Sq Feet!
  • Sure-Call by CellPhone-Mate 65dB Tri-Band Large Home/ Small Building Amplifier for AT&T 4G - Up to 6,000 Sq Feet!
  • Sure-Call by CellPhone-Mate 65dB Tri-Band Large Home/ Small Building Amplifier for AT&T 4G - Up to 6,000 Sq Feet!
  • Sure-Call by CellPhone-Mate 65dB Tri-Band Large Home/ Small Building Amplifier for AT&T 4G - Up to 6,000 Sq Feet!
  • Sure-Call by CellPhone-Mate 65dB Tri-Band Large Home/ Small Building Amplifier for AT&T 4G - Up to 6,000 Sq Feet!
  • Free Shipping to US & Canada
  • Best Price Guaranteed
  • 90 Days No Hassle Return

Features & Highlights

Why you should buy this product

The SureCall Tri-Flex A is part of an enhanced series of tri-band amplifiers. This completely integrated amplifier combines PCS and Cellular dual-bands with the LTE 4G frequency for Verizon, AT&T and AWS 4G for T-Mobile and Canada to dramatically improve 4G speed. This full featured amplifier includes manually adjustable gain control with dials for each band and automatic shutdown for maximum flexibility. Ideal for large homes and small office buildings and warehouses with a low cellular signal and/or requiring large coverage. Covers up to 6,000 square feet with a good signal.

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