Yeastar EX08 Expansion board with 8 Rj11 ports for S100

EX08 – Yeastar Expansion Board w/ 8 RJ11 Ports for 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

Technical Specifications

• 8 RJ11 ports
• Supports up to 4 optional modules
•  Can add 2 expansion cards to S100, and 3 to S300