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5G and IoT Supplement
C-band, Remote, Switchable Feed
The model ESR-44C/2 C-band, receive-only antenna feed operates over the frequency range from 3.7 to 4.2 GHz and is able to switch remotely between dual-linear and dual-circular polarizations. To use the remote switching function, the receiver should be capable of supplying 24 V to activate the polarization motor. SWR is 1.6, axial ratio is 2.5 dB (max), cross polarization (linear) is 30 dB and isolation is 28 dB. Additional models are available that operate from 4.2 to 4.8 GHz (model ESR-44C/1) and from 3.4 to 4.2 GHz (model ESR-44C/3).
Seavey Engineering Associates Inc., Cohasset, MA (617) 383-9722.
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