The EWM47-400MM20S is a Sub-1GHz wireless transceiver module developed by EBET based on the domestically produced BC3603 RF chip. It supports the 433/470MHz frequency band and features high integration, ultra-small size, long-distance transmission and ultra-low power consumption. It is suitable for various IoT scenarios such as smart home, industrial sensing, remote control, and smart agriculture.
EWM47-400MM20S Small-Size Wireless Transmission Module
The EWM47-M series is a low-cost, high-performance wireless transmission module independently developed by Chengdu Ebate Electronics Technology Co., Ltd., using the new generation domestic RF chip BC3603.
This series of modules adopts an ultra-small package design, integrates an industrial-grade high-precision crystal oscillator, and is suitable for the 433MHz and 470MHz frequency bands, further improving overall anti-interference performance and communication distance. This series of modules supports multiple modulation methods, meeting the needs of users in smart homes, wireless meter reading, scientific research and medical applications, and medium-to-long-range wireless communication equipment.
Long-distance reliable communication: Maximum transmit power 20dBm, receive sensitivity -120dBm.
The measured maximum communication distance in open environments reaches 3km.
Ultra-low power design:
Transmit current 98mA, receive current 8.2mA.
Power consumption as low as 0.4μA in sleep mode, supports WOR/WOT wake-up.
High speed & strong anti-interference:
2T2R design supports multi-user MIMO, improving throughput and reliability.
Ultra-low latency allows for more modules in a given space.
Small Size & Easy Integration:
Stamp-hole interface design facilitates surface mount technology (SMT) and secondary development.
Package size as small as 10×10mm, suitable for compact devices.
Professional RF Shielding Design:
Equipped with an alloy RF shielding cover, effectively resisting electromagnetic interference and electrostatic discharge.
Flexible Adjustable Power:
Transmit power supports multi-level software adjustment from 5dBm to 20dBm, balancing power consumption and range.
Industrial-grade reliability:
Operating temperature range -40℃ to +85℃, passed high and low temperature testing.
Utilizes high-quality components and a dual-antenna design to adapt to complex environments.
Applicable Scenarios:
Home security and smart home systems
Medical equipment and wireless meter reading
Smart agriculture and livestock monitoring
Building automation and industrial control
Community property management and remote control
