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Panasonic KX-TG6074B 5.8 GHz Digital Cordless Answering System with 4 Handsets

Advanced digital cordless phone system with 4 handsets and 58 GHz frequency-hopping technology
Intercom between handsets
Will not interfere with wireless networks such as 80211b or 80211g WiFi
Talking caller ID service is required for use built-in 18-minute digital answering machine
Light-up indicator with 3 color options