AT&T Sierra 340U USBConnect Beam ac340u Netgear 340u Tri-band LTE USB Modem External magnetic antenna & antenna adapter cable 5db 5db Magnetic antenna with 5ft cable Dual plug antenna adapter cable for AT&T Sierra 340U USBConnect Beam ac340u Netgear 340u Tri-band LTE USB Modem Frequency: 690~960 MHz, 1710~2170 MHz, 2500~2700 MHz Gain: 5dBi Cable with RG174/U Cable Length: 5ft Antenna Height: 12 inch