The EM1206 is a compact Tibbo BASIC/C-programmable IoT Module with Ethernet, as well as optional Wi-Fi* and GPRS** connectivity. The EM1206 has four UARTs.
In combination with the RJ203 jack/magnetics front end (shown), the EM1206 forms a complete programmable Ethernet node occupying only 34.4x20mm (1.35x0.79") of the host board's space.