Product Descriptions
Ra-08H is a LoRa module designed and developed based on the ASR6601 chip, which is used for ultra long distance spread spectrum communication. Supports Lorawan, Linkwan protocols, and supports frequency bands: 410~525MHz;
The ASR6601 chip is a universal LPWAN wireless communication SoC that integrates an RF transceiver, modem, and a 32-bit RISCUMC. This MCU uses an ARM core and can operate at a frequency of up to 48MHz;
The Ra-08 module supports LoRa modulation and traditional (G) FSK modulation for LPWAN use cases; The transmitter also supports BPSK modulation and (G) MSK modulation, while the receiver supports (G) MSK modulation;
The Ra-08 module on the development board provides ultra long range and ultra-low power communication for LPWAN applications, which can be widely used in scenarios such as smart meters, supply chain and logistics, home building automation, security systems, remote irrigation systems, etc.

Product Specifications
| 模组型号 Module model | Ra-08H |
| 模组封装 Module packaging | SMD-18 |
| 尺寸(mm) Size(mm) | 16.0*16.0*3.2(±0.2)MM |
| 天线形式 Antenna form | 兼容半孔焊盘/通孔焊盘/IPEX 座子 Compatible with half hole solder pads/through-hole solder pads/IPEX sockets |
| 频谱范围 Spectrum range | 803~930MHz |
| 工作环境 Work environment | -40℃~85 ℃ |
| 存储环境 Storage environment | -40℃~125°C,<90%RH |
| 供电范围 Power supply range | 供电电压2.7V~3.6V,供电电流>500mA Supply voltage 2.7V~3.6V,supply current>500mA |
| 支持接口 Support interfaces | UART/GPIO/ADC/PWM/I2C/I2S/SPI/DAC |
| IO口数量 Number of IO ports | IO2,IO4,IO5,IO8,IO9,IO11,IO14,IO15 |
| 串口速率 Series Rate | 支持 110~4608000 bps,默认115200bps Supports 110~4608000 bps, default 115200bps |
| 晶振频率 Crystal frequency | 32MHz |
| 传输协议 Transport Protocol | LORaWAN,LinkWAN |
| Flash | 128KB |

| 脚序 Foot sequence | 名称 Name | 功能说明 Function Description |
| 1,17 | GND | 接地 Grounding |
| 2 | IO8 | GPIO8/ADC_IN1 |
| 3 | IO11 | GPIO11/ADC_IN0 |
| 4 | IO9 | GPIO9/DAC_OUT |
| 5 | IO4 | GPIO4/SSP1_CLK |
| 6 | IO5 | GPIO5/SSP1_NSS |
| 7 | SWCLK | GPIO7/SWD_CLK |
| 8 | SEDIO | GPIO6/SWD_DATA |
| 9 | VCC | 3.3V 供电,推荐供电电流大于 500mA 3.3V power supply, recommended supply current greater than 500mA |
| 10 | LPRXD | GPIO60/LPUART-RX, Communication serial port |
| 11 | TXD | GPIO17/UART_TX |
| 12 | RXD0 | GPIO16/UART_RX,Burn serial port |
| 13 | IO15 | GPI015/I2C_SDA |
| 14 | IO14 | GPI014/I2C_SCL |
| 15 | IO2 | GPI02/BOOT |
| 16 | RST | RSTN_IN 外部复位,低电平有效 RSTN_IN external reset, low level effective |
| 18 | ANT | 天线接口 Antenna interface |
模块启动模式说明表
Module Startup Mode Description Table
| 管脚 Pin | 默认状态 Defaults on | SPI 启动模式 SPI startup mode | 下载启动模式 Download Startup Mode |
| IO2 | 下拉 Drop-down | 0 | 1 |
Attention: Some pins have been internally pulled up, please refer to the schematic diagram.

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