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Working firmware for the Fanstel composable LEW gateway, in two forms: signed images you flash to judge it on your own network, and licensed source, per module, so your team owns what it ships. The agent already knows these boards, so extending either is a task, not a project.
1

Flash to judge

Register (free, no card), flash the signed images, and watch tags reach your MQTT broker. Wi-Fi and Ethernet run without limit; cellular runs in 60-minute sessions. Flashing needs nrfutil and esptool on this machine, takes about three minutes, and asks you for the ports.
Flash the LEW840x demo: three signed hexes, BLE scanner, ESP32 uplink, nRF9160 bearer; Wi-Fi and Ethernet unlimited, cellular in 60-minute sessions; needs nrfutil and esptool; about 3 minutes

The card a registered user sees on the home: the three images, the limits before the button.

2

License to ship

Ask for the source of the modules you need from Settings › Account › Request template source, or write to support@adsumnetworks.com. You get the code, the board knowledge that goes with it, and updates.
3

Extend with the agent

Add a sensor, a rule, a bearer. The agent holds the LEW840x pinouts, connectors and M.2 cards, runs the guided LEW840x build in seven steps when the folder looks like one, and runs the CRA readiness check on every build.

What exists today

Verified with: nRF Connect SDK 3.2.1 and ESP-IDF 5.5 on the LEW840x, extension 0.4.0. The cellular demo runs on the nRF9160 M.2 card. NTN runs only on an nRF9151 of the LACA A1A revision.

What a licence gives

A licence is per module (the scanner, the uplink, the bearer) and per company. It covers production use, your modifications stay yours, and the source comes with the board knowledge the agent uses to extend it. The signed images are for evaluation; shipping a product is the licence. The details depend on what you are building (a hundred-unit pilot and a product line get different answers), which is why it is a request and not a button.

What comes with it that a zip of source does not

  • The board knowledge the agent holds for these gateways: which connector programs which chip, what each M.2 part number carries, how Ethernet is brought up on this board, and what has been confirmed on hardware versus only expected.
  • CRA readiness on every build: an SBOM (SPDX), a ranked known-CVE scan and a secure-by-design posture check, from the real build. CRA readiness
  • Signed images delivered from the registry, hash-verified before they are flashed.

Roles, and where to get the hardware

Fanstel designs, makes and sells the hardware and publishes its schematics. Adsum writes, verifies, signs and licenses the firmware and the knowledge. Operators and hardware makers can license a pack for their integrators and own it: write to support@adsumnetworks.com.
  • LEW840x and its M.2 cards: Fanstel. See the LEW840x walkthrough for the parts list.
  • nRF9151 DK (LACA A1A for NTN) and nRF54 boards: Nordic Semiconductor.
Open and licensed. The extension is open source under Apache 2.0 and the bundled knowledge is CC-BY-SA; gateway firmware images and source for partner hardware are licensed separately, and the images are free to evaluate.

Your free account

What it unlocks, how sign-in works, what stays on your machine.

Fanstel LEW840x

The run that built this firmware, step by step, on the real board.