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

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