RF-BM-2642B1是信馳達科技基于美國德州儀器CC2642R 為核心自主研發的藍牙 5.0 模塊。該射頻模塊除了集成負責應用邏輯的高性能 ARM Cortex-M4F 處理器與一個專用于負責射頻核心的 ARM Cortex-M0 處理器之外，還擁有非常有特色的 16 bit 低功耗傳感器處理核心，352 KB 的可編程閃存和 80 KB 超低泄漏 SRAM，支持低功耗藍牙 5.0 并向下兼容低功耗藍牙 4.2 等。此外，還支持藍牙UART串口透傳固件，提供主從一體連接，可應用于溫度計、SpO2、血糖儀和血壓計、體重秤 、助聽器等醫療健康設備和運動健身設備中。
機械尺寸
引腳定義
| 引腳序號 | 名稱 | 功能 | 備注 |
| 1 | P00 | GPIO | GPIO, Sensor Controller |
| 2 | P01 | GPIO | GPIO, Sensor Controller |
| 3 | P02 | GPIO | GPIO, Sensor Controller |
| 4 | P03 | GPIO | GPIO, Sensor Controller |
| 5 | P04 | GPIO | GPIO, Sensor Controller |
| 6 | P05 | GPIO | GPIO, Sensor Controller, high-drive capability |
| 7 | P06 | GPIO | GPIO, Sensor Controller, high-drive capability |
| 8 | P07 | GPIO | GPIO, Sensor Controller, high-drive capability |
| 9 | P08 | GPIO | GPIO |
| 10 | P09 | GPIO | GPIO |
| 11 | P10 | GPIO | GPIO |
| 12 | P11 | GPIO | GPIO |
| 13 | P12 | GPIO | GPIO |
| 14 | P13 | GPIO | GPIO |
| 15 | P14 | GPIO | GPIO |
| 16 | P15 | GPIO | GPIO |
| 17 | JTAG_TMSC | JTAG_TMSC | JTAG TMSC, high-drive capability |
| 18 | JTAG_TCKC | JTAG_TCKC | JTAG TCKC |
| 19 | P16 | GPIO | GPIO, JTAG_TDO, high-drive capability |
| 20 | P17 | GPIO | GPIO, JTAG_TDI, high-drive capability |
| 21 | P18 | GPIO | GPIO |
| 22 | P19 | GPIO | GPIO |
| 23 | P20 | GPIO | GPIO |
| 24 | P21 | GPIO | GPIO |
| 25 | P22 | GPIO | GPIO |
| 26 | P23 | GPIO | GPIO, Sensor Controller, Analog |
| 27 | P24 | GPIO | GPIO, Sensor Controller, Analog |
| 28 | P25 | GPIO | GPIO, Sensor Controller, Analog |
| 29 | P26 | GPIO | GPIO, Sensor Controller, Analog |
| 30 | P27 | GPIO | GPIO, Sensor Controller, Analog |
| 31 | P28 | GPIO | GPIO, Sensor Controller, Analog |
| 32 | P29 | GPIO | GPIO, Sensor Controller, Analog |
| 33 | P30 | GPIO | GPIO, Sensor Controller, Analog |
| 34 | VCC | 電源 | 模塊電源: 1.8 V ~ 3.8 V，推薦3.3 V |
| 35 | GND | 地 | / |
| 36 | RESET | 復位腳 | 復位，低電平有效。無內部上拉 |
