even at high frequencies these advantages are achieved without the need for the end of the cable to be specially prepared as shown in fig2 the coaxial connector comprises a substantially tubular metallic connector outer conductor 19 a substantially tubular insulator 25 a connector center conductor contact pin 27 and a crimp tube 15 a rear end portion 42 of the outer connector conductor 19 has a rearwardly r opening bore 46 for receiving the coaxial cable 44 the rear end portion 42 of the outer connector conductor may be a different part than the rest of the outer conductor 19 different sized rear portions 42 being provided for different sized cables 44 an interface 19 b is of the prior art design and provides a bnc plug for interfacing with a complimentary jack the connector insulator 25 is located between the ends of the body 19 so as to be coaxial therewith the insulator 25 comprises two insulator blocks 25 a 25 b through which are formed holes on the connector axis 50 the insulator 25 b being of harder material to guide the cable center conductor the center or inner conductor pin 27 is located in an axial hole of the insulator 25 the pin comprises a pin portion 27 a for receiving via the bore 46 an end of the center conductor 3 of the coaxial cable the connector 40 may also comprise a number of other components not shown such as a bayonet collar gaskets spring.