# VOXL 2 Frequently Asked Questions

Source: https://forum.modalai.com/topic/881/voxl-2-frequently-asked-questions
Category: VOXL 2 and VOXL 2 Mini (https://forum.modalai.com/category/26/voxl-2-and-voxl-2-mini)
Tags: voxl-2
Posted: 2022-04-25 03:03:57 UTC by Moderator (ModalAI staff)
Replies: 0 · Views: 1506 · pinned

## Moderator (ModalAI staff) · 2022-04-25 03:03:57 UTC

**What is the availability of VOXL 2?**
VOXL 2 is available now.

**Is VOXL 2 compatible with VOXL?**
The VOXL SDK runs on both platforms. All VOXL add-ons are compatible with VOXL 2. VOXL 2 has a superset of VOXL’s functionality with significant performance improvements.

**Where is VOXL 2 documented?**
Documentation and datasheets can be found at https://docs.modalai.com/voxl2

**How do I purchase VOXL 2?** 
You can purchase VOXL 2 at https://modalai.com/voxl-2

**How does VOXL 2 compare to Qualcomm Flight RB5?**
VOXL 2 uses the same QRB5165 chipset as the Qualcomm Flight RB5 and has the same computational performance in a much smaller footprint. VOXL 2’s form factor enables easy integration into existing aircraft, accelerating time to market.

**Can I run my own flight controller on the DSP?** 
Yes. Source code and build instructions for the PX4 reference can be found here: https://github.com/modalai/px4-firmware/tree/voxl-master

**Can I use an external flight controller?**
Yes. A UART can be used to communicate with an external flight controller, documentation can be found here: https://docs.modalai.com/voxl2-external-flight-controller/