3Gstore Antenna Jack Locator: Sprint 3G/4G 250U

The 250U features both a 3G antenna port and 4G antenna port (*boosting 4G signal requires a 4G-compatible antenna)

click here to see high gain antennas for Sierra 250U from 3Gstore.com

click here to order the adapter cable only for Sierra 250U from 3Gstore.com