Uniden TRU8885 5.8 GHz Digital Expandable Cordless Phone with Answering System and Dual Keypads (Black/Silver) 5.8 GHz digital signal; expandable to 10 handsets, 1 included Dual keypads; digital answering system Caller ID/call waiting, 100-call shared memory Duplex speakerphone in handset DirectLink allows handsets to be used like a 2-way radio