This Argosy BNC is a goalpost-style adaptor with an impedance of 75 ohms.
Composed of a zinc alloy, nickel-plated body, a brass, gold-plated contact and a POM dielectric, this product is designed for use at temperatures ranging between 0 to +135°C. It is RoHS-compliant and is capable of a maximum frequency of 1GHz, when creating connections from jack to plug to jack.
A maximum working voltage of 500V RMS and a dielectric withstanding of 1500V RMS maximum.