Ezurio RM126x LoraWAN Development Kits are designed to evaluate the RM1261 and RM1262 modules based on the Silicon Labs EFR32 MCU. The RM1261 kit contains the RM1261 DVK board, 1 USB cable, and 2 Ezurio i-FlexPIFA antennas with frequency ranges of 863MHz to 870MHz and 902MHz to 928MHz. The RM1262 kit includes the RM1262 DVK board, 1 USB cable, and 1 Ezurio i-FlexPIFA antenna with a frequency range of 902MHz to 928MHz.