F type joining devices use for 75Ω cable assign system,especially CATV,broadcast television network,It can already be used for having impedance to mate the occasion require,be used in not mating the occasion too.It is joined,inserts helping jointly that its characteristic is whorl,the price is suitable.

F type joing devices can exchange and use with the similar products in the world.

Type: F male to Pal male adaptors