ماژول لورا Ra-01 ، یک
ماژول فرستنده گیرنده بیسیم کاربردی محصول Ai-Thinker است که مبتنی بر تراشه SX1278 و در فرکانس 433MHz ساخته شده است این ماژولها برای ارتباطات برد بلند و طیف گسترده مناسب هستند و در عین حال دارای توان مصرفی پایینی نیز می باشند. این ماژول کوچک در ابعاد 16 در 17 میلیمتری و در پکیج SMD ارائه می شوند. دو ردیف پین کناری ارتباطات این برد را در اختیار کاربران قرار داده است به طوریکه ماژول از طریق پروتکل SPI قابل اتصال به بردهایی نظیر آردوینو و رزبری پای می باشد.
تکنولوژی این ماژول مبتنی بر sx1278 می باشد و دارای حساسیت بیش از 148دسی بل متر و قدرت خروجی 20 دسیبل متر است که در فواصل طولانی و در طیف وسیعی از ارتباطات به کار گرفته می شود و عمل مدولاسیون GFSK و FSK را انجام میدهد.
Description:
The Ra-01 LoRa module is made by Ai-Thinker company, the manufacturer of the ESP32S module, the module uses SX1278 IC, works on 433MHz frequency. It is a high quality made module.
The RF chip SX1278 mainly uses LoRa™ remote modem for ultra-long distance spread spectrum communication Letter , anti- interference is strong, it is possible to minimize current consumption. With the help of SEMTECH’s LoRa™, The modulation technology, SX1278 has a high sensitivity of more than -148dBm, +20dBm power output, Transmission distance stay away, high reliability. At the same time, compared with traditional modulation technology, LoRa™ modulation technology.
Ra-01 can be used for ultra-long distance spread spectrum communication, and these devices also support high performance (G)FSK modes for systems including WMBus, IEEE802.15.4g. The SX1287 deliver exceptional phase noise, selectivity, receiver linearity and IIP3 for significantly lower current consumption than competing devices.
There are also obvious advantages in blocking and selection, which solves the problem that traditional design solutions cannot take into account distance, Anti-interference and power consumption issues. Ra-01 working frequency is 433Mhz, mainly for 433Mhz network Regions.
LoRa provides significant advantages in both blocking and selectivity over conventional modulation techniques, solving the traditional design compromise between range, interference immunity and energy consumption.
Application:
Automated Meter Reading
Home and Building Automation.
Wireless Alarm and Security Systems.
Industrial Monitoring and Control
Long range Irrigation Systems
Features:
Lora ™ spread spectrum modulation techniques
+ 18dBm-100mW when constant voltage RF power output
High sensitivity: up to -148dBm
Half-duplex SPI communications
Programmable bit rate up to 300kbps
support FSK, GFSK, MSK, GMSK, LoRa ™ and OOK modulation scheme
127dB dynamic range of RSSI
Automatic RF signal detection, CAD models and ultra high-speed AFC
Packet Engine with CRC, up to 256 bytes
small size double row stamp hole SMD package
shielded case
spring antenna (Ra-01) or IPEX external antenna (Ra-02)