This one wins my vote for unintended use of hardware. [nathan] sent in his bent modem. His breakout box takes midi signals in and uses them to generate various modem sounds from an old Packard ...
Built in digi-modem. MNETLCD, MKP1, MKP2 remote keypads. Integrated communications. Grade 2, Environmental class II. CC, FSL (variable resistances). 4 wards. Integral 300/2400 baud modem.
Built in digi-modem. Supplied with MKP1 keypad which includes prox reader. Integrated communications. Grade 2, Environmental class II. CC, FSL (variable resistances). Up to 48 prox tags. 4 wards.