WiFi232 – An Internet Hayes Modem for your Retro Computer

WiFi232 Internet Modem

The WiFi232 Internet Modem is here and available in limited quantities.

The WiFi232 Internet Modem features:

  • Standard DB25 female RS-232C connector (DCE).
  • Supports 300 to 115200 baud.
  • Emulation of a Hayes modem, using standard (and non-standard) Hayes “AT” commands.
  • Storage of settings and 10 speed dial addresses in flash memory.
  • Accepts inbound connections on customizable TCP port (produces “RING” response).
  • Automatically responds with a customizable busy message when already in a call.
  • Supports Commodore PET “MCTerm” character set translation (requires custom cable, interface).
  • Hardware and software flow control supported (one direction only– retro PC can pause incoming data).
  • Hardware flow control is RTS or DTR selectable with solder jumpers.
  • DTR + DCD¬† and DTR + DSR loopback solder jumpers (RS-232C side only).
  • Over-the-air firmware updates.
  • Telnet negotiation support.
  • Built-in web server, MDNS support, and WiFi access point for easy configuration.
  • Powered by a USB mini jack or solder terminals for your own power source.
  • A PDF manual.

The WiFi232 Internet Modem lacks:

  • Support is lacking for DCD (data carrier detect) and RI (ring indicator).
  • No password protection of web server configuration (but can be disabled completely).

Price & Shipping:

Available as a kit ($30) or fully assembled ($45). USPS First Class shipping to USA is $3 tracked (non-insured). USPS First Class International everywhere else for $15 tracked (non-insured). Payments via PayPal. Order below.

Kits include a bare board with all loose parts for you to assemble yourself. All parts are through-hole EXCEPT two SMD parts (a USB mini jack and a SOT-223 voltage regulator).

Order Here

Limited supply of assembled units available now and shipping in 1 week! Limit one per customer please. Kits available again soon.

Type of Modem (shipping incl.)

WiFi232 Internet Modem Manual (.PDF)

Discover new boards to call by visiting the Telnet BBS Guide.

The list of verified, compatible computers:

  • Atari Portfolio (with serial interface and 9 to 25 pin serial adapter)
  • Tandy TRS-80 Model 102 (with 25 pin gender changer)
  • Apple IIgs (with mini DIN to 25 pin serial cable)
  • Atari 800XL (with Atari 850 serial interface and appropriate cable)
  • Amiga 2000
  • Amiga 1200
  • Macintosh SE
  • Macintosh SE/30


WiFi232 Modem Compatibility
WiFi232 Internet Modems