Type 7/16(L29) is one kind of thread couping RF coaxial connector,characteristic impedance is 50 ohm.The characteristic of connector is in big power,low VSWR. Less attenuation、Low intermodulation,excellent nature of airtight.They are used in connection with feeder cables in broadcast,Television,ground launch system,monitoring of radar,mecrowave communication fields etc.Our company manufacturer produces many kinds of jumper lines,which can reduce your cost on cable.