Amphenol RF BNC connector coaxial cable harness. The product in the image uses 031-6929 for the 50Ω IP67 BNC straight crimp jack and Nihon Eleparts RG-316/U for the cable.
◇Manufacturer site
Amphenol RF 031-6929
https://www.amphenolrf.com/031-6929.html
Nihon Eleparts RG-316/U
https://eleparts.co.jp/mces/index/00156
◇Manufacturer site
Amphenol RF 031-6929
https://www.amphenolrf.com/031-6929.html
Nihon Eleparts RG-316/U
https://eleparts.co.jp/mces/index/00156