The WH1727F from EMC Technology and Florida RF Labs is a 90 Degree Hybrid coupler that operates from 1700 to 2700 MHz. It can handle up to 100 Watts of powerand has an insertion loss of 0.15 dB with anisolation of 26 dB. The Hybrid is available in a surface mount package and is ideal forapplications that require low loss and high isolation.