Coaxial connectors RF. Electrical RF (radio frequency) connectors. Work at frequencies in the multi-megahertz range. High mating cycles. We have a large selection of coaxial connectors such as the Microcoax Series MCX, MMCX, SMA, SMB, SMC. Also a selection of MIL standard and DIN standard series. Of course, a selection of reverse polarity and various adapters between series.