The characteristics of UIDIGI

The UIDIGI EPROM (firmware) can only be installed in a TNC2 or 100% compatible Clone with clock speeds of 2.4576Mhz, 4.9152Mhz or 9,8304Mhz, and also having 32K of RAM.

    * Supports AX.25 release 1 and 2.
    * Allows full control of AX.25 link layer parameters (Timers, SlotTime, Persistence).  It also allows remote sysop control via sysop interface commands.
    * Repeats only AX.25 UI frames (APRS uses UI frames)
    * Supports the digipeating of UI AX.25 frames addressed to bot the digipeaters callsign or any programmed alias.
    * Supports the digipeating of UI AX.25 frames addressed to user definable generic callsigns (up to 8 user defined callsigns - either preprogrammed or via theremote sysop interface). Also allows call substitution.
    * Supports the digipeating of UI AX.25 frames addressed a generic call (eg: WIDE) using a flooding algorithm.
    * Supports the digipeating of UI AX.25 frames addressed a generic call (eg: TRACE) using trace+flooding algorithm.
    * Ignores duplicate frames sent within a defined interval.
    * Ignores the digipeating of digipeater initiated frames (beacons), or beacon frames already digipeated with call substitution or generic callsign.
    * Support for handling direction digipeating based on SSID's. APRS Spec allows setting of digipeat direction preference via SSID of UI Frames (Thus, you can state a preferred relay direction (North South East West))
    * Remote management (sysop) protected by password.
    * Digipeater heard station list.
    * Up to 3 user definable Beacon Text strings.
    * Replys to the ?APRS? query.

UIDIGI is free (but copyrighted!) software. You don't have to pay anything
to use UIDIGI as Sysop or user.
If you find it useful please send 10 Euros or US Dollars and a postcard
of your city/country or QSL at the following address:

Marco Savegnago
Stradella Ospedale 87
36100 Vicenza
Italy

Thanks!