# Wi-Fi & Bluetooth FCU865R

## Summary

- Wi-Fi 6 and Bluetooth 5.3 module
- LCC form factor
- 15.0 mm × 13.0 mm × 2.0 mm
- 0.82 g
- Operating temperature: -20°C to +70°C

## Key features

- Dual-band 2.4 GHz and 5 GHz Wi-Fi and Bluetooth 5.3
- USB 2.0 interface with higher data transmission rate and lower power consumption
- Faster time-to-market: simple design minimizes design-in-time and development efforts
- Operating temperature: -20°C to +70°C

## Overview

FCU865R is a high-performance Wi-Fi 6 and Bluetooth 5.3 LCC package module launched by Quectel, which can be used for WLAN and Bluetooth connections. The module supports the IEEE 802.11a/b/g/n/ac/ax protocol and provides a maximum data rate of up to 600 Mbps. It also supports 1T1R mode, and covers the 2.4 GHz and 5 GHz Wi-Fi bands.

With an ultra-compact size of 15.0 mm × 13.0 mm × 2.0 mm, the module optimizes the size and cost for end-products, which fully meets the demands of size-sensitive applications.

Surface-mount technology (SMT) makes FCU865R an ideal solution for durable and rugged designs. The low profile and small size of LCC package ensure that it can be easily embedded into size-constrained applications and provide reliable connectivity with these applications.

Designed with a reliable USB 2.0 interface to provide WLAN capability, the module achieves low-power and high-speed data transmission. Coupled with its compact size, and high reliability, FCU865R can meet the application needs in a variety of fields.

## Product Brochure

[Download](https://www.quectel.com/content/uploads/2026/05/Quectel_Product_Brochure_V8.6.pdf)

## Documentation and resources

### EVB Kit
- [Quectel_List_of_EVB_Applicable_Modules_V1.8](https://www.quectel.com/login/?redirect=https%3A%2F%2Fwww.quectel.com%2Fproduct%2Fwi-fi-bluetooth-fcu865r%2F) (File Size: 67.56 KB)
- [Quectel_FCU865R_2D_Dimensions_V1.0](https://www.quectel.com/login/?redirect=https%3A%2F%2Fwww.quectel.com%2Fproduct%2Fwi-fi-bluetooth-fcu865r%2F) (File Size: 139.74 KB)
- [Quectel_FCU865R_3D_Dimensions_V1.0](https://www.quectel.com/login/?redirect=https%3A%2F%2Fwww.quectel.com%2Fproduct%2Fwi-fi-bluetooth-fcu865r%2F) (File Size: 582.67 KB)
- [Quectel_FCU865R_Footprint&Part_V1.0](https://www.quectel.com/login/?redirect=https%3A%2F%2Fwww.quectel.com%2Fproduct%2Fwi-fi-bluetooth-fcu865r%2F) (File Size: 188.93 KB)
- [Quectel_FCU865R_Reference_Design_V1.0](https://www.quectel.com/login/?redirect=https%3A%2F%2Fwww.quectel.com%2Fproduct%2Fwi-fi-bluetooth-fcu865r%2F) (File Size: 213.21 KB)
- [Quectel_FCU865R_Hardware_Design_V1.1](https://www.quectel.com/login/?redirect=https%3A%2F%2Fwww.quectel.com%2Fproduct%2Fwi-fi-bluetooth-fcu865r%2F) (File Size: 1.44 MB)

### User Guide
- [Quectel_FCE863R&FCS866R&FCS94xR&FCSx50R&FCU743R&FCU865R&FME163R& HCR022R_Series_Linux_Bluetooth_User_Guide_V1.6](https://www.quectel.com/login/?redirect=https%3A%2F%2Fwww.quectel.com%2Fproduct%2Fwi-fi-bluetooth-fcu865r%2F) (File Size: 1.40 MB)
- [Quectel_FCE863R&FCS866R&FCSx50R&FCS94xR&FCU74xR&FCU865R&FME163R_Series_Linux&Android_Wi-Fi_User_Guide_V1.4](https://www.quectel.com/login/?redirect=https%3A%2F%2Fwww.quectel.com%2Fproduct%2Fwi-fi-bluetooth-fcu865r%2F) (File Size: 1.69 MB)
- [Quectel_FCE863R&FCS866R&FCS94xR&FCSx50R&FCU743R&FCU865R_Series_Android_Bluetooth_User_Guide_V1.1](https://www.quectel.com/login/?redirect=https%3A%2F%2Fwww.quectel.com%2Fproduct%2Fwi-fi-bluetooth-fcu865r%2F) (File Size: 1.41 MB)

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