KATHREIN's 690 – 2700 MHz smart bias tee (p/n 782 11056). +8 - 30 VDC (DC on pin 6) version for use near the antenna, in order to control a remote control unit (only required if no TMA is in use). With connectors, antenna port: 7/16 DIN Male, feed line port: 7/16 DIN Female. Size: 5.5 in x 3.2 in x 1.8 in