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https://mastodon.sdf.org/system/media_attachments/files/000/937/781/original/9b7c500da5a5fc76.jpg
AUI to 10baseT transceivers beside a TI-30 from 1978.
The big transceiver is from 1991. The small one's from 1997.
Note that the TI-30 was famous for costing $25 in 1976. The sheer lack of electronics is the reason why. The transceivers probably cost $100 or more 15-20 years later.
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