Compare Panasonic 6702 5.8 GHz Twin 2-Line Cordless Phone to Panasonic KX-TG6645B 1.9 GHz Quint 1-Line Cordless Phone

Advanced 2-line digital cordless phone system with 2 handsets and 5.8 GHz frequency-hopping technology. Can be expanded to include up to 8 handsets. Will not interfere with wireless networks such as 802.11b or 802.11g Wi-Fi. Less

DECT Plus technology takes the superb Sound quality and outstanding range of DECT 6.0 phones to a whole new level. By increasing the frequency of error correction by up to 80x, the transmission quality is improved and the phone's range is extended. Engineered to work in 1.9GHz frequency, -DECT 6.0 phones won't conflict with common wireless devices such as 2.4GHz routers, wireless keyboards and mice, microwave ovens and other household items. And because it's digital, you'll enjoy long range and clear sound. -Features:-Power Back-up Operation (Handset) what happens to your phone when there's a power outage? Nothing, with the 2011 models featuring Power Back-Up Operation. A powerful Battery back-up system keeps you connected so when the power goes out, you can still make and receive calls with the cordless handset, powered by the charge of the handset.-Talking Caller ID: Now you can hear who's calling from across the room without having to get up. Using text-to-speech technology. Less