Checking Out Vintage Mitsubishi Satellite Phone - Omniquest ST251 @saveitforparts
Checking Out Vintage Mitsubishi Satellite Phone - Omniquest ST251  @saveitforparts
Uploaded August 2025 | Updated September 2026, 3 weeks ago
This phone was sent to me by @thenervousmechanicofficialpage (thanks!). It's a 1997 MSAT terminal made by Mitsubishi. I wasn't able to get it to do much, so I suspect the service has long since been retired. I did some basic poking around inside to see what the antenna and some of the hardware modules look like. I also tried using it as an L-band weather satellite antenna, which sort of works, but not very well!

There's a teardown of this unit here: appliedcarbon.org/mitsubishist251.html

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Checking Out Vintage Mitsubishi Satellite Phone - Omniquest ST251

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