Excalibur provides a variety of connectors from known manufacturers, such as, Milestek and Trompeter.

ESI-AD78
TRB Coupling Adaptor, In-line Barrel Connector
ESI-BN73
Tee-Twin Axial, 2 Female Ports, 1 Male
ESI-J72D
RF Adapters - Between Series STD Twinax PTCH JK