Yeastar-Expansion-8-RJ11(0)No Reviews yet USD $101.00 Quantity discounts available QuantityPrice MSRP: USD $101.00 SKU: YST-EX08 DIMENSIONS: 8x2x5 Quantity -+ Description Expansion Span 8 RJ11 Ports Details Expansion board for Yeastar S100, S300, P560, and P570 systemsSupports up to 4 optional modules / 8 ports (O2, S2, B2, GSM, UMTS, and CDMA modules)All... DescriptionDetails Back Expansion Span 8 RJ11 Ports Back Expansion board for Yeastar S100, S300, P560, and P570 systemsSupports up to 4 optional modules / 8 ports (O2, S2, B2, GSM, UMTS, and CDMA modules)Allows up to 2 expansion cards on S100 and up to 3 on S300 Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review