Ra-02 SX1278 433MHz LoRa Dev Board

One of our in-house breakout boards designed for the Ra series of Ai-Thinker LoRa modules. This board features an original Ai-Thinker Ra-02 module, 2.54 mm pitch breakout pins, a 50-ohm antenna trace, and an M2 mounting hole in case you need it.

We are continuously looking to update and improve our designs, and we’d love to get your feedback on this board – please reach out through any of our contact channels to let us know what you think.

Features / Specs

• Manufacturer: Make Electronics
• Part Number: RA-0XXX REV0.1
• Module: Ai-Thinker Ra-02
• Antenna Connection: Male IPEX MHF-I / U.FL Socket
• RF Transceiver: Semtech SX1278
• Operating Voltage Range (Module): 2.5 – 3.7 V
• Transmit Current (Typical): 93 mA @ 433 MHz
• Receive Current (Typical): 12.15 mA
• Standby Current (Typical): 1.6 mA
• Communication Interface: SPI
• Frequency Range: 410 – 525 MHz
• Receive Sensitivity: -141 dBm @ SF12, 125 kHz / -125 dBm @ SF7, 125 kHz
• Blocking Immunity (Typical): 89 dB @ ±1 MHz offset (SF12, 125 kHz)
• Transmit Power (Max): +18 dBm ±1 dBm
• Bit Rate: Programmable up to 300 kbps
• Modulation Types: FSK / GFSK / MSK / GMSK / LoRa / OOK
• Operating Temperature Range (Module): -30 °C to +85 °C
• Storage Temperature Range (Module): -40 °C to +90 °C
• Storage Humidity (Module): <90% RH
• Certifications (Module): REACH / RoHS
• Module Package: SMD-16
• Dimensions (L x W x H): ~(27.94 x 24.13 x 5 mm)
• Number of Pins: 2x 8 pins (16 total)
• Header Pin Pitch: 2.54 mm
• Pin Row Spacing (Centre to Centre): ~22.86 mm
• Mounting Hole Diameter: 2.1 mm

Resources

• NOTE: Figures on this page are from Ai-Thinker’s 2017 Product Spec, the one its own product page links; the 2019 Datasheet v1 differs on some lines.
• Semtech SX1278 Product Page
• Ai-Thinker Ra-02 Official Product Page
• Ai-Thinker Ra-02 Product Spec v1.1
• Ai-Thinker Ra-02 Datasheet v1 – Original
• Ai-Thinker Ra-02 Datasheet v1 – English

Pin Description