The BDCA1-10-40+ from Mini Circuits is a Space Qualified Coupler with an operating frequency range of 1600-4000 MHz. This bi-directional coupler has a coupling range of 9.05-11.80 dB and a mainline insertion loss of 0.8-1.4 dB. It has a directivity of 11-22 dB and a VSWR of up to 1.25. It requires a DC current supply of 0.25 A and has a power handling capability of 12-24 W. The coupler comes in a hermetically sealed package weighing 0.25 g. It is suitable for wireless communication, ISM, PCS, and mobile satellite applications.