The SCBD-16-63HP+ from Mini Circuits is a Bi-Directional coupler that operates from 50 MHz to 6000 MHz. It can handle up to 100 W of power, has a coupling from 16 to 41 dB through the band, a directivity of 23 dB and an insertion loss of 0.7 dB. The coupler is ideal for cellular, WiMax, GSM, ISM and lab use.