The 715-20-0.670 from MECA is a directional coupler that operates from 380 to 960 MHz. It has a coupling value of 20 dB and can handle up to 250 watts of power. The coupler has an insertion loss of less than 0.1 dB and directivity of more than 25 dB. It is available in a module with N-type female connectors and operates over a temperature range of -55°C to +85°C. Coupled ports are DC isolated and will only pass RF. Weather resistant models (IP61) are also available.