2 in x 7.5 in x 1.8 in, 2 years warranty, for PC
 
The Konexx Koupler straps onto the handset of any payphone or telephone, to provide analog data communications at up to 26.4 Kbps. Use this acoustic coupler to send or receive e-mail and faxes, access the Internet or connect to the home office from anywhere in the world.