Vector network analyzers are instruments that measure the complex transmission and reflection characteristics of two-port devices in the frequency domain.

Impedance matching networks are electrical circuits which, when connected between two networks, match the output impedance of the source (the first network) to the input impedance of the load (the receiving or second network).

WiFi (802.

Antennas are structures or devices used to collect or radiate electromagnetic waves.

Fiber optic couplers are optical devices that connect three or more fiber ends, dividing one input between two or more outputs, or combining two or more inputs into one output.

Telephone components and accessories are used in telephone systems.

RF and microwave laminates are used as substrates for radio frequency (RF) and microwave communication systems and electronics.