= Gateworks SBC Expansions Gateworks expansion boards and modules allow for additional peripherals to supplement those pre-loaded on the base boards. There are really 3 types of expansion: 1. Mini-PCIe cards * These typically include modems, GPIO, SIM, etc * Associated wiki pages are listed below * Datasheets, product pages shown on main website [http://www.gateworks.com/mini-pcie-expansion-cards here] 1. On-board modules * Some boards have on-board single or multi-function modules