Radiall R141780000 is a BNC T-Shape adapter with 50 Ohm impedance and 4 GHz max frequency, featuring a plug to dual jack configuration with gold plated center contacts.
Radiall R143780000 is a TNC tee adapter converting a male plug to two female jacks. It features 50 Ohm impedance, DC to 11 GHz frequency range, and gold-plated center contacts.