Development of a transmit/receive module operating at 30 GHz is described. This module is intended for use in a broadband wireless, local area network (WLAN) demonstrator system and consists of monolithic microwave integrated circuits (MMICs) and miniature hybrid microwave integrated circuits (MHMICs) assembled together in a single housing together with four planar, leaky wave antenna elements. The antenna array is used in a switching mode, with an MMIC switching network, to direct the transmit or receive signals appropriately. The demonstrator module has a 90° coverage in the horizontal plane and can he extended to provide full 360° coverage, by grouping four such modules together.

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Conference 1997 27th European Microwave Conference, EuMC 1997
Stubbs, M.G., Glaser, C., Do Ky, H., Verver, C.J., Shafai, L., & Wight, J. S. (1997). Development of a 30 GHZ, wireless lan transmit/receive module. In 1997 27th European Microwave Conference, EuMC 1997 (pp. 254–259). doi:10.1109/EUMA.1997.337807