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Title: Old technology - do not buy
Review: My KX-TG5612 loses connection with the base unit all of the time. Plus, it does not have the newer security and encryption that came out with the DECT 6.0 units. Do not buy the TG5621. Buy this or one like it:Panasonic KX-TG6512B DECT 6.0 PLUS Expandable Digital Cordless Phone System, Black, 2 Handsets
