Product Descriptions
Ra-09 is a LoRa module used for ultra long distance spread spectrum communication. Its chip STM32WLE5CCU6 is a universal LPWAN wireless communication SoC, integrating RF transceiver, modem, and 32-bit Arm ? Cortex ° - M4 MCU. This MCU uses an ARM core and can operate at a frequency of up to 48MHz.
The Ra-09 module supports LoRa modulation and traditional (G) FSK modulation in LPWAN use cases; The transmitter also supports BPSK modulation and (G) MSK modulation, while the receiver supports (G) MSK modulation.
The Ra-09 module 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
| 模組型號(hào) Module model | Ra-09 |
| 模組封裝 Module packaging | SMD-48 |
| 尺寸(mm) Size(mm) | 18.0*18.0*2.6(±0.2)MM |
| 天線形式 Antenna form | 兼容半孔焊盤/IPEX 座子 Compatible with half hole solder pads/IPEX sockets |
| 頻譜范圍 Spectrum range | 410~525MHz |
| 工作環(huán)境 Work environment | -40℃~85 ℃ |
| 存儲(chǔ)環(huán)境 Storage environment | -40℃~125°C,<90%RH |
| 供電范圍 Power supply range | 供電電壓1.8V~3.6V，供電電流＞500mA Supply voltage 1.8V~3.6V,supply current＞500mA |
| 支持接口 Support interfaces | UART/GPIO/ADC/PWM/I2C/I2S/SPI/DAC |
| IO口數(shù)量 Number of IO ports | 24 |
| 串口速率 Series Rate | 支持 110~4608000 bps，默認(rèn)115200bps Supports 110~4608000 bps, default 115200bps |
| 晶振頻率 Crystal frequency | 32MHz |
| 傳輸協(xié)議 Transport Protocol | LORaWAN |
| Flash | 256KB |
| 傳輸距離 Distance | 空曠場(chǎng)地搭配吸盤天線4.8km Open space with suction cup antenna 4.8km |
The Ra-09 module has a total of 48 pins connected, as shown in the pin diagram. The pin function definition table is the interface definition:
| 腳序 Foot sequence | 名稱 Name | 功能說明 Function Description |
| 1,2,3,19,20,28,34,35,38-44 | NC | Not connected |
| 4 | PB8 | PB8/I2C1_SCL/PWM |
| 5 | PB7 | PB7/I2C1_SDA |
| 6 | PB6 | PB6/I2C1_SCL |
| 7 | PB5 | PB5/SPI1_MOSI |
| 8 | PB4 | PB4/SPI1_MISO/ADC_IN3 |
| 9 | PB3 | PB3/ADC_IN2/SPI1_SCK |
| 10 | PB2 | PB2/SPI1_NSS/ADC_IN4 |
| 11 | PA1 | PA1/SPI1_SCK |
| 12 | PA0 | PA0 |
| 13,36-37,45-46,48 | GND | GND |
| 14 | TX1 | PA9/UART1_TX/I2C1_SCL/SPI2_SCK/I2S2_CK |
| 15 | RX1 | PA10/UART1_RX/DAC_OUT1/ADC_IN6/I2C1_SDA |
| 16 | PA11 | PA11/I2C2_SDA/SPI1_MISO/PWM/ADC_IN7 |
| 17 | PA12 | PA12/I2C2_SCL/SPI1_MOSI/ADC_IN8 |
| 18 | PA15 | PA15/I2C2_SDA/SPI1_NSS/ADC_IN11 |
| 21 | TX2 | PA2/UART2_TX |
| 22 | RX2 | PA3/UART2_RX/I2S2_MCK |
| 23-24 | 3V3 | 3.3V 供電，推薦供電電流大于 500mA 3.3V power supply, recommended supply current greater than 500mA |
| 25 | PA13 | PA13/ADC_IN9 |
| 26 | PA14 | PA14/ADC_IN10 |
| 27 | NRST | NRST 外部復(fù)位，低電平有效 NRST external reset, low level effective |
| 29 | PA6 | PA6/SPI1_MISO |
| 30 | PA7 | PA7/I2C3 SCL/SPI1 MOSI/PWM |
| 31 | PA8 | PA8/SPI2_SCK/I2S2_CK |
| 32 | PC13 | PC13 |
| 33 | PB12 | PB12/SPI2_NSS/I2S2_WS |
| 45 | PH3 | PH3/BOOT0 |
| 47 | ANT | 天線接口 Antenna interface |
| 管腳 Pin | 默認(rèn)狀態(tài) Defaults on | SPI 啟動(dòng)模式 SPI startup mode | 下載啟動(dòng)模式 Download Startup Mode |
| PH3 | 下拉 Drop-down | 0 | 1 |
Electrical characteristics
| 參數(shù) Parameter | 名稱 Name | 最小值 Minimum value | 典型值 Typical values | 最大值 Maximum value | 單位 Unit | 備注 Notes | |
| 工作溫度 Operation temperature | TOPR | -40 | 25 | 85 | ℃ | ||
| 供電電壓 Supply Voltage | VDD | 1.8 | 3.3 | 3.6 | V | ≥3.3V 可保證輸出功率 ≥ 3.3V ensures output power | |
| 功耗 Power consumption | 睡眠模式 Sleep mode | 功耗1 Power consumption 1 | - | 0.113 | - | μA | Deep Sleep(LDO and SMPS regulator off,MCU regulator off |
| 功耗2 Power consumption 2 | - | 0.2 | - | μA | STANDBY (without RTC) | ||
| 運(yùn)行模式 Operating mode | - | 3.83 | - | mA | Power on | ||
| 滿載模式 Full load mode （TX:22dBM） | - | 119 | - | mA | DC-DC mode | ||
| 接收模式 Receiving mode （RX:SF9） | - | 5.15 | - | mA | DC-DC mode | ||
RF parameters
| 輸出功率 Output power | |||||
| PA 參數(shù) PA Parameter | 頻段 Frequency band | 最小值 Minimum value | 典型值 Typical values | 最大值 Maximum value | 單位 Unit |
| 發(fā)射功率 Transmission power | 433MHz | - | 21 | 22 | dBm |
| 發(fā)射功率 Transmission power | 470MHz | - | 21 | 22 | dBm |
| 發(fā)射功率 Transmission power | 490MHz | - | 21 | 22 | dBm |
| 發(fā)射功率 Transmission power | 510MHz | - | 21 | 22 | dBm |
| 接收靈敏度 調(diào)制帶寬 125kHz Receiving sensitivity modulation bandwidth 125kHz | |||||
| 模式 Mode | 最小值 Minimum value | 典型值 Typical values | 最大值 Maximum value | 單位 Unit | |
| SF7 | - | -123 | - | dBm | |
| SF8 | - | -126 | - | dBm | |
| SF9 | - | -128 | - | dBm | |
| SF10 | - | -131 | - | dBm | |
| SF11 | - | -135 | - | dBm | |
| SF12 | - | -140 | - | dBm | |
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