Due to the different Spo2 sensor and connectors,when choose spo2 interface cable,the core number and diameter should be able to match.the most regular used and typical spo2 interface cable has 1 or 2 STP(shielded twisted pair) and 2 to 6 separate signal wires.
4C (1P+2C,or 2+2 core)
5C (1P+3C,or 2+3 core )
6C (1P+4C,or 2+4 core )
7C (1C+5C,or 2+5 core )
8C(3P+2C,or 6+2 core)
custom disposable SPo2 1P+2Ccable PVC