OdiySurveil(TM) RP-SMA Extension Cable, Male to Female Nut Bulkhead Crimp RG316 Coax Adaptor(20cm,Pack of 3) Connector Type: Refer to 1st Product Image. Each cable is cut by machine and made by manual,all will be Passed Quality Test; External Material : Plastic, Alloy;Connector type: RP-SMA male to RP-SMA Female; Color : Black, Gold Tone,Signal attenuation is less than 0.5dB; Mechanical attachment between the cable and connector bodies is the Crimp With Heat-shrink tube as insulation; Cable Length: 20cm, Cable Numbers: 3PCS.