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New High-Power WR28 Waveguide Dual-Channel Rotary Joint

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The New AM28RJD dual-channel rotary joint from Link Microtek provides an effective means of reducing component count and saving space and weight in the compact antennas that are used for Ka-band high-data-rate SOTM (satellite-on-the-move) communication systems.

Particularly suitable for military or commercial airborne systems such as satcom uplinks in unmanned aerial vehicles, the new rotary joint features a high-power/low-loss WR28 waveguide transmit channel, together with a coaxial receive channel offering a high current rating of 2A at 24VDC, which enables it to power the antenna’s LNB and servo motors without the need for additional slip rings.

The central transmit channel has a frequency range of 29-31GHz, with an average power rating in excess of 50W, a typical insertion loss of just 0.5dB and a maximum VSWR of 1.7:1. 

www.linkmicrotekeng.com 

 

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