Yeastar EX08 Expansion Card
Expansion Board for Yeastar S100 and S300 systems Supports up to 4 optional modules/8 ports, including O2, S2, GSM and LTE modules
Adds 2 expansion cards to S100 and 3 to the S300
Yeastar EX08 Expansion Module
Expansion Board for Yeastar S100 and S300 systems Supports up to 4 optional modules/8 ports, including O2, S2, B2, GSM, UMTS, and CDMA modules Add up to 2 expansion cards to S100 and 3 to the S300