L-3 Narda-ATM - Wide range of RF & Microwave Coaxial and Waveguide Directional Couplers for Applications from 400MHz-40GHz for coax designs and 1.12 (WR650) to 40GHz (WR28) for Waveguide designs.
Bird TxRx Systems Inc. - Directional Couplers, plus Transmitter and Receiver Multicouplers for VHF, UHF & Cellular Wireless Applications.
IF Engineering Corp. - Couplers for Applications to 6GHz, including Surface Mount Designs for HF, VHF & UHF Systems with 50Ohm & 75Ohm Impedance.
Marki Microwave - Directional and Hybrid Couplers for applications to 67GHz.
L-3 Narda-ATM - Wide range of RF & Microwave Coaxial and Waveguide Power Dividers for Applications from 400MHz-40GHz for coax designs and 1.12 (WR650) to 40GHz (WR28) for Waveguide designs.
