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USB-C LTE board gives a computer its own phone line
1 report1 sourceupdated 4 hours ago
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A Show HN project appeared on the Hacker News front page on October 31: Koppar designed a four-layer USB-C LTE board meant to give a computer its own phone line. With a nano-SIM inserted, the board provides LTE data, SMS and voice calls. Call audio is handled by an RP2040 and output as a USB sound card. The post covers the board design and its connectivity and audio features; it does not mention open-source status or any AI involvement in the design.
Written by AI from the coverage · updated 1 hour ago
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Oct 31
- Hacker News front pageShow HN: A USB-C LTE modem that gives my computer a phone line
Koppar 设计了一块 4 层 USB-C 板卡，插入 nano-SIM 后可为电脑提供 LTE 数据、短信和语音通话，通话音频经 RP2040 以 USB 声卡形式输出。
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