Ra-08 is an LoRa module designed and developed by Shenzhen Ai-Thinker Technology Co., Ltd. The module is used for ultra-long distance spread spectrum communications. Its chip ASR6601 is a universal LPWAN wireless communication SOC, integrated with RF transceivers, modems, and a 32-bit RISC MCU. The MCU adopts an ARMcore with a working frequency of 48MHz. The Ra-08 module supports LoRa modulation and traditional (G)FSK modulation under the LPWAN. At the same time, the transmitter also supports BPSK modulation and (G) MSK modulation, receiver support (G) MSK modulation. The Ra-08 module provides long-range and ultra-low power communications for LPWAN applications, which can be widely used in smart meters, supply chain and logistics, home building automation, security system, remote irrigation system and other scenes.
Features:
- Adopt SMD-18 package
- Support frequency: 803MHz ~ 930MHz
- Working voltage is 3.3V, theoretical maximum transmit power: +22dBm
- High sensitivity: -138dBm @125Kz SF12
- Support spread spectrum factor: SF5/SF6/SF7/SF8/SF9/SF10/SF11/SF12
- Embedded memory, 128KB FLASH,16KB SRAM
- Support LoRa/(G)FSK/BPSK/(G)MSK modulation
- Antenna interface is compatible with stamp holes / circular holes and IPEX, etc., support more option selection
- Support multiple sleep modes: depth sleep current is low to 0.9uA
Specifications:
- Model: Ra-08H
- Package: SMD-18
- Size: 16.0*16.0*3.2(±0.2)mm
- Antenna: half-hole pad / through-hole pad / IPEX
- Frequency: 803-930MHz
- Operating Temperature: -40°C ~ 85°C
- Storage Temperature: -40°C ~ 125°C, < 90%RH
- Power supply: Voltage 2.7V ~ 3.6V, Current >500mA
- Interface: UART/GPIO/ADC/DAC/I2C/I2S/SPI/PWM
- IO: IO2,IO4,IO5,IO8,IO9,IO11,IO14,IO15
- UART rate: Support 110 ~ 4608000 bps, Default 115200 bps
- Crystal Frequency: 32MHz
- SPI Flash: 128KB
- Transfer Protocol: LoRaWAN, LinkWAN
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