---
product_id: 23686488
title: "3dB (5dBi) Sprint Franklin U770 U772 USB Modem External Antenna"
brand: "antennagear"
price: "£26.13"
currency: GBP
in_stock: false
url: https://www.desertcart.co.uk/products/23686488-3db-5dbi-sprint-franklin-u770-u772-usb-modem-external-antenna
store_origin: GB
region: United Kingdom
---

# 3dB (5dBi) Sprint Franklin U770 U772 USB Modem External Antenna

**Brand:** antennagear
**Price:** £26.13
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** 3dB (5dBi) Sprint Franklin U770 U772 USB Modem External Antenna by antennagear
- **How much does it cost?** £26.13 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/23686488-3db-5dbi-sprint-franklin-u770-u772-usb-modem-external-antenna)

## Best For

- antennagear enthusiasts

## Why This Product

- Trusted antennagear brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

3dB (5dBi) Sprint Franklin U770 U772 USB Modem External Antenna w/Adapter Cable. Our Magnetic Mount External Booster Antennas - Approved / Purchased by US Army, US Navy, US Air Force, US Marine Corps, Department of Homeland Security, Bureau of Alcohol, Tobacco, Firearms & Explosives and Other Federal, State & Local Agencies Nationwide / Worldwide!! Portable Design Allows Use On Vehicles / Boats / Trucks / RV's / Home / Office / Camps etc. - Use It Anywhere!! Place Antenna on Metal Surface. Not For Use In Areas With Less Than 2-Bars Signal Strength. Nationwide Service - Lifetime Warranty!!

## Features

- Advanced 3dB (5dBi Gain) Dual-Booster Multi-Band Technology Delivers Maximum 3G 4G LTE Reception
- GSM GPRS 3G 4G LTE UMTS CDMA TDMA - Digital & Analog (700 ~ 900 MHz / 1800 ~ 1990 MHz / 2100 MHz)
- Hi Density Rubberized Polymer Construction Assures Superior Durability - For Outside & Inside Use.
- Rare Earth (1.25" Diameter) Poly Treated Magnet Provides Non-Abrasive, Secure Antenna Mounting
- Includes - 10ft RG174 Antenna Coax Cable & 18" Adapter Cable For Sprint Franklin U770 U772

## Images

![3dB (5dBi) Sprint Franklin U770 U772 USB Modem External Antenna - Image 1](https://images-na.ssl-images-amazon.com/images/I/518lwi11%2BlL.jpg)
![3dB (5dBi) Sprint Franklin U770 U772 USB Modem External Antenna - Image 2](https://images-na.ssl-images-amazon.com/images/I/61%2BVWsOAP6L.jpg)
![3dB (5dBi) Sprint Franklin U770 U772 USB Modem External Antenna - Image 3](https://images-na.ssl-images-amazon.com/images/I/615PGqjoneL.jpg)
![3dB (5dBi) Sprint Franklin U770 U772 USB Modem External Antenna - Image 4](https://images-na.ssl-images-amazon.com/images/I/61doDDLQAAL.jpg)
![3dB (5dBi) Sprint Franklin U770 U772 USB Modem External Antenna - Image 5](https://images-na.ssl-images-amazon.com/images/I/710yGIPcJsL.jpg)

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**Shop now:** [https://www.desertcart.co.uk/products/23686488-3db-5dbi-sprint-franklin-u770-u772-usb-modem-external-antenna](https://www.desertcart.co.uk/products/23686488-3db-5dbi-sprint-franklin-u770-u772-usb-modem-external-antenna)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-31*