This Ebyte 433MHz RF module is designed for wireless communication with low power consumption, making it an ideal choice for IoT applications, remote controls, and industrial automation. Equipped with the CMT2300A chip, it serves as a superior alternative to the CC1101 and SI4463 modules, offering improved performance and versatility. Parameters Parameter E49-400M20S4 E49-400M20S E49-400M30S E49-900M20S Operating Voltage (V) 1.8–3.6 1.8–3.6 3.3–5.5 1.8–3.6 Communication Voltage (V) 3.3 3.3 3.3 3.3 Operating Temperature (°C) -40–85 -40–85 -40–85 -40–85 Operating Frequency (MHz) 410–510 410–510 410–510 850–930 Transmission Current (mA) 85 85 130 85 Reception Current (mA) 7.5 7.2 15 7.5 Standby Current (nA) 1μA 300nA 2μA 300nA Maximum Transmission Power (dBm) 20 20 30 20 Reception Sensitivity (dBm) -117 -117 -122 -117 Reference Distance (km) 2.5 2.5 5 2.5 Modulation Rate (kbps) 26 26 26 26 Package Type Chip Chip Chip Chip Chip Model CMT2300A CMT2300A CMT2300A CMT2300A Communication Interface SPI SPI SPI SPI External Dimensions (mm) 16×16 20×14 24×38.5 20×14 Antenna Interface Stamp Hole IPEX/Stamp Hole IPEX/Stamp Hole IPEX/Stamp Hole E49-400M20S Test Kit Designed for testing the Ebyte E49-400M20S module The test board comes with pre-soldered connectors All IO pins are broken out for easy access Equipped with a USB interface for direct connection to a computer E49-900M20S Test Kit Designed for testing the Ebyte E49-900M20S module The test board comes with pre-soldered connectors All IO pins are broken out for easy access Equipped with a USB interface for direct connection to a computer
