The AD-TNCJTNCJ-EE from Amphenol RF is panel mount extreme exposure RF / coaxial adapter with female TNC jack from one side and female TNC jack from other side. This bulkhead adapter has 50 Ohms impedance and 18 GHz max frequency. The AD-TNCJTNCJ-EE is threaded/threaded adapter with operating temperature range from -65°C to 165°C.