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A coaxial RF connector (radio frequency connector) is an electrical connector designed to work at radio frequencies in the multi-megahertz range. RF connectors are typically used with coax cables. They are designed to maintain the shielding that the coaxial design offers. Coaxial cable rf connectors are needed for connecting cables to inter-connecting devices such as RF antennas, cell phone signal boosters/ amplifiers/ repeaters, splitters, attenuators, dividers, combiners. etc. They are required to match up different types of adapters that exist at wireless telecommunication device ports. Their terminal can be Type "F" (75 Ohm) or Type "N" (50 Ohm) with male or female designation. They terminate in several device types such as UHF, TNC, FME, SMA, SMB. Either you can browse to find the connector you need below, or here's a grid that will make it easier for you to find the right one: RF Connector Grid