# 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 [Previous Topic What’s in the box](https://docs.qualcomm.com/bundle/publicresource/80-WL740-251/topics/kit-contents.md) [Next Topic Reference schematics](https://docs.qualcomm.com/bundle/publicresource/80-WL740-251/topics/architecture.md)