KX-TDA5174 - Panasonic 8 port single line card (SLC8)- 4 ports per card- Supports single line telephones- Also equipped with 8 DTMF receivers- 2 Cards max per systemKXTDA5174 (Read more)
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-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-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)
KX-TDA5480 - Pansonic VoIP gateway card (IPGW4)- Supports up to 4 IP connections for networking the KX-TDA50 to other KX-TDA systems- H.323V.2, ITU-T, G729a, G.723.1 and G711 compliant- 1 Card max per... (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)