The RFM98-433S2 Wireless Module with RoHS is manufactured by HopeRF and is an electronic part that is used to connect wireless devices to each other using radio frequency signals. It is a compact single ch 5/6/7/8/9/10/11/12/13MHz wireless transceiver module which supports the LoRaTM, FSK and OOK modulation modes. It has low power consumption and is highly integrated with embedded functions of AES128 encryption and LoRaTM spread-spectrum modulation, packet, MAC protocols, etc. It is a powerful and compact module which is suitable for a wide range of applications such as smart home, smart city, smart agriculture, asset tracking, etc.