214486 ⎘
Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic Producing pencil beam by two cylindrical focusing devices with their focal lines orthogonally disposed
ANTENNA MEASUREMENT DEVICE
#2Dual-band antenna array with both fan beam and pencil beam
#3Antenna apparatus and search apparatus
#4Multi-beam Yagi-based MIMO antenna system
#5Transmitter
#6ANTENNA