Motorola MA580 5.8 GHZ Analog Cordless Phone w/Caller ID, Speakerphone & Digital Answering Machine 5.8 GHz analog signal; digital answering system Caller ID with call waiting, 40-name-and-number memory Base and handset speakerphones 10 programmable speed dial locations; rubberized side grips 3-line backlit LCD, trilingual menu prompts