KX-TDA5173 - Panasonic 4 port single line card (SLC4)- 4 Ports per card- Supports single line telephones- Also equipped with 4 DTMF receivers- 1 Card max per systemKXTDA5173~~ (Read more)
KX-TDA5180 - Panasonic 4 Port loop start CO card (LCOT4)- Adds up to four more lines to system- Two ports have power failure transfer- Optional KX-TDA5193 4 port caller ID card can be mounted on it to... (Read more)
KX-TDA5172 - Panasonic 8 port digital expansion card (DLC8)- Adds capacity for up to eight digital ports, which can support KX-T7600, KX-T7400, KX-DT300 and KX-T7200 series phones, DSS, KX-T0151 and... (Read more)
KX-TDA5161 - Panasonic 4 port intercom/door opener circuit ~~module (DPH4)- One card per system- Operate ~~up to four door speakers (KX-T30865, KX-T7765, or KX-T7775) and four door strikes or gate... (Read more)
KX-TDA5193 - Panasonic 4 port caller ID card (CID4)- "Daughter" card that ~~mounts on a KX-TDA5180 CO line card- Required to receive caller ID information from the CO- Activates caller ID on 4 CO... (Read more)
KX-TDA5168 - Panasonic extension caller ID card (EXT-CID)- Required to pass caller ID to single line telephone, fax answering machines, etc.- Supports up to 8 SLT devices- One card per system- Mounts... (Read more)
KX-TDA5171 - Panasonic 4 port digital extension card (DLC4) - Adds capacity for up to four KX-T7600, KX-T7400, KX-DT300 and KX-T7200 series phones, DSS, KX-T0151 and KX-T0155 cell station and voice... (Read more)