F / PAL
The Type F is similar to the Type G except it is threaded rather than snap-on. Primary applications are for cable television (CATV), set top boxes, and cable modems.
With the deployment of 750 MHz Hybrid Fiber Coax (HFC) networks, it became increasingly obvious that existing low performance F receptacles could not be used in high speed cable modems and customer interface units (CIUs). THe industry has challenged connector manufacturers to develop high performance connectors featuring -30 dB return loss at 1 Ghz. Additional, these high performance connectors must still accept .022-.042 in. diameter conductors. All connectors comply with a 3/8-32 thread specification. Amphenol has responded to this market demand providing high performance alternatives.