Dual band antenna means incorporating helical and elongated radi

Dual band retractable antenna system with capacitive coupling

Dual circularly polarized broadband array antenna

Dual frequency band quadrifilar helix antenna systems and method

Dual frequency quadrifilar helix antenna

Dual function antenna structure and a portable radio having same

Dual helical antenna for variable beam width coverage

Dual layer resonant quadrifilar helix antenna

Dual mode quadrifilar helix antenna and associated methods of op

Dual polarized ambidextrous multiple deformed aperture spiral an

Dual polarized multifilar antenna

Dual polarized spiral antenna

Dual port helical-dipole antenna and array

Dual radio antenna

Dual-band coupled segment helical antenna

Dual-band helical antenna

Dual-band helix antenna with parasitic element and associated me

Dual-band multi-pitch parasitic half-wave (MPPH) antenna

Dual-band octafilar helix antenna

Dual-band quadrifilar helix antenna