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Model 311 Band Data Converter
This is a current production model however the only reference to it is a 6/10/2003 announcement on the "What's New" page. Call Ten-Tec for info.
Description
Band data converter for the Orion Model 565 and Orion II Model 566 HF transceivers for use with Model 420 Hercules II linear amplifier and/or Model 253 high power automatic antenna tuner.