Portable HF antenna

Reconfigurable radio frequency (RF) surface with optical...

Resonant circuit tuning system with dynamic impedance matching

Slow wave antenna

Steerable leaky wave antenna capable of both forward and...

Steerable leaky wave antenna capable of both forward and...

Surface mounted chassis antenna atop dielectric base plate and h

Surface-mount antenna and antenna device

Switchable antenna for the VHF and UHF frequency bands

Switchable matching network for an element of a steerable antenn

Thick folded dipole which is tuneable within a frequency band of

Transponder tuning method and a transponder

Tunable antenna circuit, particularly for contactless...

Tunable antenna for RF metering networks

Tunable antenna module with frequency correction circuit and...

Tunable antenna system

Tunable antenna with variable series L-C network

Tunable dipole antenna

Tunable high-frequency antenna

Tunable short monopole top-loaded antenna