It's been so many years already that I can't remember all the details, but I do recall that the first adapter I had gave me a LOT of EEEEs, but not always. I do recall complaining to the manufacturer about being 3/8 of a mile down the road before I had tunes. I do not recall if I wound up with a newer revision/model from the same unremembered manufacturer or from a different one.

I believe the newer revision can still get an EEEE but it retries immediately until a valid response occurs. Hardly perfect, but good enough.

Years ago I switched from an SC811 to SC815 and, as I barely recall, the 815 needed a fancier adapter than the 811 did. I think that's when I got into the EEEEs....

- Dave; '95 854T, 143K mi