# Hardware overview

- [Reference schematics](https://docs.qualcomm.com/doc/80-WL740-251/topic/architecture.html)
- [Module feature comparison](https://docs.qualcomm.com/doc/80-WL740-251/topic/feature-comparison.html)
- [Board layout and jumper settings](https://docs.qualcomm.com/doc/80-WL740-251/topic/board-jumpers.html)
- [LEDs and buttons](https://docs.qualcomm.com/doc/80-WL740-251/topic/leds-buttons.html)
- [Peripheral and sensor interfaces](https://docs.qualcomm.com/doc/80-WL740-251/topic/peripherals.html)
- [Antenna options](https://docs.qualcomm.com/doc/80-WL740-251/topic/antennas.html)

Last Published: May 06, 2026

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