RF-SM-1077B2 Sub-1 GHz模块是基于TI CC1310，它结合了一个灵活的，低功率的RF收发器与一个强大的48 MHz ARM Cortex-M3微控制器。支持多个物理层和RF标准，专用的无线电控制器Cortex-M0处理RF协议命令存储在ROM或RAM中。RF-SM-1077B2集成了24.0MHz晶体、balun、带通滤波器、天线匹配和IPEX天线匹配，使得模块成本低、功耗低、无线通信时间长。支持点对点、点对多点串口透传。
机械尺寸
引脚定义
| 模块脚位序号 | 模块脚位名称 | 芯片脚位名称 | 输入/输出方式 | 说明 |
| Pin1 | P01 | DIO_1 | Digital I/O | GPIO, Sensor Controller |
| Pin2 | P02 | DIO_2 | Digital I/O | 模块串口接收端(GPIO, Sensor Controller) |
| Pin3 | P03 | DIO_3 | Digital I/O | 模块串口发送端(GPIO, Sensor Controller) |
| Pin4 | P04 | DIO_4 | Digital I/O | GPIO, Sensor Controller |
| Pin5 | P05 | DIO_5 | Digital I/O | GPIO, Sensor Controller |
| Pin6 | P06 | DIO_6 | Digital I/O | GPIO, Sensor Controller |
| Pin7 | P07 | DIO_7 | Digital I/O | GPIO, Sensor Controller |
| Pin8 | P08 | DIO_8 | Digital I/O | GPIO |
| Pin9 | P09 | DIO_9 | Digital I/O | GPIO |
| Pin10 | P10 | DIO_10 | Digital I/O | GPIO |
| Pin11 | P11 | DIO_11 | Digital I/O | GPIO |
| Pin12 | P12 | DIO_12 | Digital I/O | GPIO |
| Pin13 | P13 | DIO_13 | Digital I/O | GPIO |
| Pin14 | P14 | DIO_14 | Digital I/O | GPIO |
| Pin15 | P15 | DIO_15 | Digital I/O | GPIO |
| Pin16 | TMS | JTAG_TMSC | - | JTAG TMS |
| Pin17 | TCK | JTAG_TCKC | - | JTAG TCK |
| Pin18 | P16 | DIO_16 | Digital I/O | JTAG TDO |
| Pin19 | P17 | DIO_17 | Digital I/O | JTAG TDI |
| Pin20 | P18 | DIO_18 | Digital I/O | GPIO |
| Pin21 | P19 | DIO_19 | Digital I/O | GPIO |
| Pin22 | P20 | DIO_20 | Digital I/O | GPIO |
| Pin23 | P21 | DIO_21 | Digital I/O | GPIO |
| Pin24 | P22 | DIO_22 | Digital I/O | GPIO |
| Pin25 | RESET | RESET_N | - | 模块复位脚，低电平有效 |
| Pin26 | P23/ADC0 | DIO_23 | Digital or analog I/O | GPIO, Sensor Controller, analog |
| Pin27 | P24/ADC1 | DIO_24 | Digital or analog I/O | GPIO, Sensor Controller, analog |
| Pin28 | P25 | DIO_25 | Digital or analog I/O | GPIO, Sensor Controller, analog |
| Pin29 | P26 | DIO_26 | Digital or analog I/O | GPIO, Sensor Controller, analog |
| Pin30 | P27 | DIO_27 | Digital or analog I/O | GPIO, Sensor Controller, analog |
| Pin31 | P28 | DIO_28 | Digital or analog I/O | GPIO, Sensor Controller, analog |
| Pin32 | P29 | DIO_29 | Digital or analog I/O | GPIO, Sensor Controller, analog |
| Pin33 | P30 | DIO_30 | Digital or analog I/O | GPIO, Sensor Controller, analog |
| Pin34 | VCC | VCC | - | 模块电源正极 1.8V-3.8V |
| Pin35 | ANT | - | - | 外接天线脚 |
| Pin36 | GND | GND | - | 模块电源负极 |
