Check the listing for details. Panasonic KX-TDA5180 4-Port Loop Start CO Card (LCOT4). Condition: New – Open box. Listed at 69.99 USD. Panasonic KX-TDA5180 4-Port Loop Start CO Card (LCOT4)4 ports per card. 2 ports have power failure transfer. 1 optional (KX-TDA5193) 4 port caller ID can be mounted to support caller ID. Please refer to KX-TDA50G System Capacities Chart #1 prior to configuring a system.Cards Are In New Condition, But May Not Be In Original Packaging. Business Communication Systems is a Proud Certified Panasonic Dealer. All Equipment Tested By A Certified Technician. AWESOME DEAL!Please contact BCS first if you encounter any issue with the transaction or our product before escalating an issue to eBay or PayPal. This courtesy is greatly appreciated and BCS will correct the problem, guaranteed. Thanks! Business Communication Systems is our established company carrying a large stock of new, refurbished and used equipment. We have been in the telecommunications business since 1987 and will always be here to serve your telephone equipment needs.