The ADRF-HCPL-3-4310 from ADRF is a 90 Degree Hybrid Coupler that operates from 578 to 2700 MHz. This low PIM hybrid coupler can handle up to 100 watts of average power and up to 1000 W of peak power. It has an insertion loss of less than 3.8 dB and an isolation of over 25 dB across the band. The coupler is available in a module that measures 8.46 x 2.36 x 1.10 inches with 4.3-10 female connectors.
