The KX-TG5210M 5.8 GHz GigaRange expandable system uses digital spread spectrum technology and operates on a different wavelength with much less traffic than 2.4 GHz phones to give enhanced range, security, and clarity, while allowing you to expand the system by adding extra handsets. The system can be expanded up to four.

Features:

• 5.8 GHz frequency-hopping digital spread spectrum technology (FHSS) for minimal interference, clear sound, and all the advantages of digital
• All-digital answering system with microchip to handle all messages, no tapes to fuss with; simple operation, efficient, and virtually silent
• Caller IQ compatible
• Chain dialing
• Call waiting/caller ID to see the name and phone number of incoming calls even while talking on another call
• Handset digital duplex speakerphones with digital circuitry to reduce the echo and dropout commonly found in speakerphones; allows more natural sounding conversations
• 50-station caller ID memory and dialer
• Large multifunction three-line LCD display on handset (see each caller's complete caller ID information without additional scrolling)
• Backlighting on the handset LCD greatly aids visibility especially in low light
• Three ringer patterns and three melody rings
• Lighted handset keypad
• NiMH handset battery
• Record time: 15 minutes
• 3-Line LCD Display
• Backlit Keypad