The Gateway module key features include a small size (approx 2" x 3"), the eCOG1X14Z5 MCU, RC1180/RC1140-MBUS Wireless M-Bus module, 16MB external SDRAM, SD/SDHC/MMC socket, 100Base-T Ethernet PHY and RJ245 connector, Preporgrammed MAC address and serial number, USB 2.0 full speed peripheral (B socket), and two 2x20 pin connectors bring out many MCU pins for customer use – same footprint as Cyan USB/Ethernet module.