Custom RF Module Development

RF Hardware Built for Your Specific Band, Your Specific Problem

Not every application fits a catalog part. If you need an LNA, filter, or RF front-end module for a band, performance target, or deployment environment that isn't sitting on a shelf anywhere, that's exactly the kind of project GPIO Labs takes on.

We design, build, and ship real custom RF hardware, not just simulations or paper designs, for organizations working across defence, aerospace, public safety, rail, research, and other regulated or niche applications.

What We Build

Custom module work spans the same categories as our catalog, just tuned to bands, specs, or environments a standard part doesn't cover:

• Custom LNAs: specific gain, noise figure, OIP3, or power handling targets outside what's currently in our catalog, including narrowband filtered designs for a single specific frequency range
• Custom bandpass, notch, and harmonic filters: tight selectivity at unusual centre frequencies, high power handling for transmit-path use, or rejection profiles tuned against specific named interferers in your deployment environment
• Bias tees and power injection modules matched to a specific antenna current draw or voltage requirement
• Multi-stage RF front-end modules combining filtering, amplification, and power handling into a single assembly

If your band is unusual, regulated, or doesn't fit a normal product category, that's not a problem, it's the kind of project we're set up for.

How Custom Module Development Works

1. Tell us about your application. A band, a use case, or a problem you're trying to solve is enough to start. You don't need a finished spec before reaching out.

2. We scope the technical requirements together. Depending on the product, this usually means confirming passband or gain/noise figure targets, rejection requirements against specific adjacent interferers, power handling, connector and form factor, and expected volume. 

3. We quote without a separate NRE charge. For most custom modules, development cost is built into the per-unit price for your first order rather than billed as a standalone engineering fee. You're paying for finished, tested hardware, not a line item you'd owe regardless of outcome.

4. Pilot run, then production pricing. Per-unit pricing typically comes down for follow-on volume once the initial engineering investment is recovered on the first order.

Why No Separate NRE?

Most custom RF shops bill engineering time as a standalone, upfront charge, money spent regardless of whether the finished part meets your needs. We generally don't work that way.

For most custom modules, we fold development cost into the per-unit price of your first order, so the engineering investment is recovered across hardware you actually receive, not billed as a separate risk you carry alone. Once that first order is delivered, follow-on volume is typically priced lower, since the engineering work is already paid for.

This usually means a higher per-unit price on a pilot order than you'd see on a catalog part, but a lower total commitment than a traditional NRE-plus-unit-cost model for a first article into an unfamiliar band.

Why GPIO Labs

RF is our core focus, not one service among several. Our custom development work is informed directly by years of designing, testing, and shipping real RF hardware into defence, aerospace, and research deployments, the same hardware our standard catalog amplifiers and filters are built on. That combination means we move quickly from a described problem to a working prototype, without the overhead of a large consulting practice or a lengthy formal scoping process before we can give you a real answer.

Start a Conversation

Whether you have a fully defined spec or just a band and a problem, tell us what you're working on and we'll figure out the rest together.

👉 Contact GPIO Labs

Looking for general RF design consulting, interference troubleshooting, or spectrum analysis rather than a custom hardware module specifically? See our RF Consulting & Engineering Services page.