The 131-8403-001 from Johnson / Cinch Connectivity Solutions is SMB, mini coaxial connector (RF) plug with female socket, 75 Ohms impedance, 2 GHz max frequency and 335V voltage rating. This coaxial connector has crimp or solder contact termination and it is for RG-179, 187 cable group. The 131-8403-001 includes: 1 connector and 1 sleeve. Operating temperature range is from -65°C to 165°C.