The Pivotal Shift from mPCIe to M.2 Modems in the Evolution of Modem Hardware

Share this post:

In the dynamic landscape of modem hardware, a notable transformation has taken place recently - the shift from mPCIe (Mini PCIe) to the advanced M.2 form factor. This evolution marks a cornerstone in modem technology, revolutionizing aspects of compatibility and versatility. Let’s delve into this transition and underscore its significance.

mPCIe Modem

mPCIe: A Staple in Modem Evolution

The mPCIe, or Mini PCIe, has long been the cornerstone in modem module design. Its compact structure harmoniously integrated into diverse devices - from laptops to industrial machinery and embedded systems. Embracing technologies like GSM, HSPA, GPS, and LTE, mPCIe modems were a ubiquitous presence in the tech sphere.

Legacy Compatibility: A Challenge Overcome

mPCIe modems, despite their prevalence, grappled with integrating cutting-edge technologies and evolving connectivity needs. This limitation necessitated a more adaptable, future-ready approach.

For this very reason, Compulab's latest Fitlet model, the Fitlet3, is designed to accommodate M.2 modems on the motherboard without the need of any expansion board, in contrast to its predecessor, the Fitlet2, which was originally equipped to support mPCIe modems with an expansion. The Fitlet2 has only recently gained the capability to accommodate M.2 modules, thanks to an add-on card integrated onto the board.

M.2 Modems: The Vanguard of Modem Technology

Enter M.2 modems, a quantum leap in modem hardware. Known as NGFF (Next Generation Form Factor), M.2 introduces multiple enhancements over its predecessor, mPCIe.

Enhanced Versatility and Compatibility

M.2 modems break new ground in versatility and device compatibility. They cater to a spectrum of communication standards, including LTE, and are primed for the latest 5G technologies. This adaptability makes M.2 an ideal fit for contemporary connectivity demands.

Sleeker, More Efficient Design

M.2 modems stand out with their sleeker profile, facilitating integration into space-constrained modern devices like ultrabooks, tablets, and IoT gadgets. This design also aids in better heat management.

Superior Performance Metrics

M.2 modems outshine with enhanced data transfer speeds and reduced latency, significantly enriching user experiences. This performance elevation is vital for real-time data-dependent applications, such as video streaming, online gaming, and IoT frameworks.

Integrating Our Products with the M.2 Standard

Recognizing the prowess of M.2, our product lineup includes modules that seamlessly integrate with this form factor. Our solutions accommodate the full range of M.2 functionalities, ensuring our clients are equipped with the latest in modem technology.

M.2 Modem

Conclusion: Embracing the Future with M.2

The migration from mPCIe to M.2 modems symbolizes a stride towards more versatile, compact, and efficient modem hardware. While both support LTE and other connectivity standards, M.2's adaptability and sleek architecture make it the go-to choice for contemporary devices and applications. This transition is not just a change but a commitment to staying at the forefront of connectivity in our ever-connected world.


  1. Mini PCIe vs. M.2 NGFF | Picking an IoT Data Card Form
  2. M.2
  3. Network interface controller
Share this post:

Recent publications

All publications