Looking for Ra-01h Module? Ai Thinker LoRa – Ra-01H Module is available at Zbotic with fast shipping across India.
Ai-Thinker lora Series Module (Ra-01H) designed and developed by Ai-Thinker. This module is used for long distance spread spectrum communication.. Its RF chip SX1276 (as show as figure 1) Mainly. used LoRa remote modem, for ultra-long-distance spread spectrum communication, strong anti-interference, can minimize current consumption. With the help of the SEMTECH the patent technology of LoRa SX1276 with -148dBm high sensitive, with +20dBm power output, long range transmission, high reliability. Meantime, relative traditional modulation technique. LoRa modulation technique has obvious advantages in anti-blocking and selection, It solves the problem that traditional design scheme can not consider distance, anti-interference and power consumption simultaneously.
Its application can be automatic meter reading, home building automation, security system, remote
Features:-
- LoRa modem.
- Support FSK, GFSK, MSK. GMSK. Lola and OOK mode
- Support 803/930MH
- Operating voltage is 3.3V,maximum output 19dim. the maximum output current is 105mA
- Low power Consumption in a received stat, the received current is 12.15mA, stand-by current is 1.6m
- High sensitivity as low as 140dBm
- Small volume double row stamp hole patch package
- SPI interface, using half duplex communication, with CRC. up to 256 byte packet engine
Specifications:-
- Module : Ra-01H
- Package : SMD-16
- Size : 17x16x3.2(+0.2)mm
- Antenna : Compatible half hole weld tray (need to weld antenna)
- Spectrum range : 803 930MHz
- Working temperature : -40℃ ~ 85 ℃
- Storage temperature : -40 ℃ ~ 125 ℃ , < 90%RH
- Power supply : 2.7-3.6V, typical value 3.3V, current over 200mA
- Support Interface : SPI
- Programmable bit rate : 300kbps
Package Includes:-
1 x Ai Thinker LoRa Series Ra-01H
Datasheet:-
Ai Thinker LoRa – Ra-01H Module Overview
The Ai Thinker LoRa – Ra-01H Module is a compact SMD-16 wireless transceiver based on the Semtech SX1276 RF chip. Designed for ultra-long-distance spread spectrum communication in the 803–930 MHz band, it offers high receive sensitivity and robust anti-interference performance for remote telemetry and data links.
Key Features of Ai Thinker LoRa – Ra-01H Module
- Frequency range 803–930 MHz using LoRa modulation for long-range links
- Semtech SX1276 RF chip with –148 dBm receive sensitivity and +20 dBm output power
- SPI interface for easy integration with MCUs and development boards
- Programmable bit rate up to 300 kbps and low current consumption (peak ~200 mA)
- Compact SMD-16 package (17 × 16 × 3.2 mm) with half-hole weld tray for 50 Ω antenna
- Wide operating temperature range from –40 °C to 85 °C
- Genuine Ai Thinker module with fast shipping from Zbotic
Applications and Use Cases
- Rural and urban sensor networks for agriculture (soil moisture, crop health)
- Environmental monitoring stations (weather, air quality, flood detection)
- Industrial telemetry for remote asset tracking and control
- Smart metering solutions (water, gas, electricity consumption)
- Logistics and supply chain asset tracking over wide areas
- DIY IoT projects requiring ultra-long-range wireless links
How to Use Ai Thinker LoRa – Ra-01H Module
Begin by soldering a compatible 50 Ω antenna onto the half-hole weld tray. Connect the module’s VCC (3.3 V), GND, SPI pins (MOSI, MISO, SCLK, NSS), and DIO/reset lines to your microcontroller. Load a LoRa library to configure parameters such as frequency, bandwidth, and spreading factor, then initiate packet transmission and reception. Adhere to recommended PCB layout guidelines for optimal performance.
Why Buy from Zbotic?
- Genuine Products: All items sourced from authorized distributors
- Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
- Free Shipping: Free delivery on qualifying orders
- COD Available: Cash on Delivery, UPI, cards, net banking
- Technical Support: Expert help for setup and troubleshooting
- Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
Do I need to provide an external crystal for Ra-01H?
No, the Ra-01H module includes an on-board crystal oscillator for the SX1276 RF chip; simply supply power and SPI signals to get started.
Which antennas are compatible with the Ra-01H module?
The Ra-01H uses a half-hole weld tray for 50 Ω antennas. You can solder a whip, PCB antenna, or SMA pigtail designed for 803–930 MHz operation.
What power supply voltage does the Ra-01H require?
The module operates from 2.7 V to 3.6 V, with a typical 3.3 V supply. Peak current consumption can exceed 200 mA when transmitting at +20 dBm.
Technical Specifications
| Brand | Ai- Thinker |
|---|---|
| Interface / Protocol | LoRa |
| SKU | AI5666 |
| Availability | Out of Stock |
Applications & Use Cases
The Ai Thinker LoRa - Ra-01H Module is a versatile ai thinker esp modules used across a wide range of applications including WiFi-enabled IoT devices, smart home sensors, web servers, mesh networks, and wireless data logging.
Common use cases:
- Connecting an Arduino project to WiFi
- Building a smart plug or switch
- Creating a wireless sensor network
This product is ideal for IoT developers, home automation enthusiasts, and embedded engineers.
Technical Tip: ESP32 supports both WiFi and Bluetooth. ESP8266 is WiFi-only but more affordable. Both are programmable via Arduino IDE or ESP-IDF.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
- Genuine Ai- Thinker product sourced from authorized channels
Arjun Dhawan –
Outstanding Ai Thinker LoRa – Ra-01H! Programmed it with Arduino IDE. All features work as documented.
Sahil Deshpande (verified owner) –
Great Ai Thinker LoRa – Ra-01H. OTA updates work perfectly. Using 5 of these around my house.
Isha Gupta (verified owner) –
Love this Ai Thinker LoRa – Ra-01H. Built a smart switch with it. Works with Home Assistant perfectly.
Rishabh Patel (verified owner) –
Great quality Ai Thinker LoRa – Ra-01H. Flashed with ESPHome and it works beautifully.
Anand Srivastava (verified owner) –
Decent Ai Thinker LoRa – Ra-01H. Had to install CP2102 drivers but works fine after that.
Rahul Bhat (verified owner) –
Good Ai Thinker LoRa – Ra-01H. WiFi works well. Sometimes needs a reset but overall solid.
Piyush Sen –
Great quality Ai Thinker LoRa – Ra-01H. Flashed with ESPHome and it works beautifully.
Vaishali Parekh (verified owner) –
Good Ai Thinker LoRa – Ra-01H. WiFi works well. Sometimes needs a reset but overall solid.
Sanjay Dubey (verified owner) –
Outstanding Ai Thinker LoRa – Ra-01H! Programmed it with Arduino IDE. All features work as documented.
Raj Rajan (verified owner) –
Decent Ai Thinker LoRa – Ra-01H. Had to install CP2102 drivers but works fine after that.
Sonali Srivastava –
Great quality Ai Thinker LoRa – Ra-01H. Flashed with ESPHome and it works beautifully.
Prashant Dhillon (verified owner) –
Outstanding Ai Thinker LoRa – Ra-01H! Programmed it with Arduino IDE. All features work as documented.
Ishaan Krishnan (verified owner) –
Decent Ai Thinker LoRa – Ra-01H. Had to install CP2102 drivers but works fine after that.
Karan Chauhan –
Good quality Ai Thinker LoRa – Ra-01H. Flash memory is sufficient for most projects.
Isha Pandey –
Love this Ai Thinker LoRa – Ra-01H. Built a smart switch with it. Works with Home Assistant perfectly.
Kritika Mishra (verified owner) –
Perfect for my IoT project. This Ai Thinker LoRa – Ra-01H has excellent WiFi performance.
Pankaj Srivastava (verified owner) –
Excellent for smart home projects. This Ai Thinker LoRa – Ra-01H connects reliably to my router.
Pankaj Dubey (verified owner) –
Great Ai Thinker LoRa – Ra-01H. OTA updates work perfectly. Using 5 of these around my house.
Nakul Batra (verified owner) –
Superb Ai Thinker LoRa – Ra-01H! Using it for my weather monitoring station. WiFi range is impressive.
Aanya Panchal (verified owner) –
Great quality Ai Thinker LoRa – Ra-01H. Flashed with ESPHome and it works beautifully.
Pankaj Grewal (verified owner) –
Superb Ai Thinker LoRa – Ra-01H! Using it for my weather monitoring station. WiFi range is impressive.
Anirudh Rao –
Excellent Ai Thinker LoRa – Ra-01H! WiFi connectivity is strong and stable. Perfect for IoT projects.
Tarun Chopra (verified owner) –
Love this Ai Thinker LoRa – Ra-01H. Built a smart switch with it. Works with Home Assistant perfectly.
Riya Sethi (verified owner) –
Good quality Ai Thinker LoRa – Ra-01H. Flash memory is sufficient for most projects.
Harsh Patel (verified owner) –
Good Ai Thinker LoRa – Ra-01H. WiFi works well. Sometimes needs a reset but overall solid.
Eshan Kulkarni (verified owner) –
Average Ai Thinker LoRa – Ra-01H. WiFi drops occasionally but works for basic projects.