TigerDirect offers the Motorola DECT 6.0 3-Handset Expandable Digital Cordless Phone System, model no. L513BT, for $39.99 with free shipping. It's the lowest total price we've seen for any Motorola DECT 6.0 phone system by $10. (It's also a current price low by $33.) This phone uses DECT 6.0 (1.9GHz) technology, which reduces interference with 2.4GHz devices, like wireless networks. It also features a built-in answering machine, expandability up to five handsets, caller ID, and more.