The AM1485DC854 30-dB dual-directional coupler operates from 800 to 2170 MHz, handles 500 W average and 3 kW peak RF power input, and is well suited for base station RF power monitoring. It has very low third-order intermodulation distortion of -155 dBc, insertion loss of 0.5 dB, coupling flatness of 0.75 dB, directivity of at least 25 dB, and VSWR of 1.07:1.
The coupler measures 6.25 x 1.72 x 1.72 in. and uses 7-16 DIN connectors in the main line and Type-N female connectors at the coupled port. Models with custom connectors and enhanced directivity are available.