[Chip Solution]：BC3603

[Operating Frequency]：410-510MHz

[Transmit Power]：20dBm

[Communication Distance]：3km

[Size]：20 x 14mm

[Weight]：1.5 ± 0.1g

[Introduction]：The EWM47-M series is a low-cost, high-performance wireless transmission module independently developed by Ebyte using the new generation domestic RF chip BC3603. It has a built-in industrial-grade high-precision crystal oscillator, is suitable for 433MHz and 470MHz frequency bands, and supports multiple modulation methods such as OOK and GFSK, meeting the needs of users in smart homes, wireless meter reading, scientific research and medical treatment, as well as medium and long-distance wireless communication equipment.