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- 1
- Languages
- ZH
- Last added
- 2026-09-30
Featured Jiexun Yilian manuals

Jiexun Yilian YL-1278RF Low Power Spread Spectrum Wireless Module User Manual
The YL-1278RF is a low‑power, long‑range wireless module based on LoRa™ spread‑spectrum modulation. It operates in the 420‑450 MHz band (customizable) and supports half‑duplex communication via a standard 4‑wire SPI interface. The manual provides a complete product overview, pin definitions, technical parameters, hardware design guidelines, and reference software code.
Key sections include SPI timing, TX/RX control, GPIO configuration, antenna selection, usage notes, and a detailed troubleshooting guide to help designers integrate the module into IoT, smart‑home, and industrial automation applications. This manual is written in Chinese.
Covers: Product Overview · Technical Parameters · SPI Timing · Pin Definitions · Hardware Design · Reference Software Code
Latest Jiexun Yilian manuals
Jiexun Yilian YL-1278RF Low Power Spread Spectrum Wireless Module User Manual
User Manual 17 pages · 525 KB · ZHUser manual for the YL-1278RF low‑power spread‑spectrum wireless module covering features, hardware design, SPI interface and troubleshooting.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in Jiexun Yilian manuals
What frequency range does the YL-1278RF module support?
The module operates in the 420 MHz to 450 MHz band, and other bands can be customized.
From: Jiexun Yilian YL-1278RF Low Power Spread Spectrum Wireless Module User Manual
How much current does the module draw in transmit mode?
In transmit mode the module draws up to 120 mA.
From: Jiexun Yilian YL-1278RF Low Power Spread Spectrum Wireless Module User Manual
