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WiFi, Bluetooth and drone detection node with LoRa mesh — assembled, kit, or core PCB
AntiHunter DIGI Node
Website • Discord • Privacy • GitHub
Description
A passive detection node built around a Seeed XIAO ESP32-S3 and a Heltec LoRa board, with GPS, SD, an RTC, and a vibration sensor on an 82 mm board. It scans WiFi and Bluetooth, writes everything to the SD card, and alerts the other nodes over LoRa. Control it from any of your devices with the WiFi AP, by radio alone, or with the AntiHunter Command Center.
It learns which devices are normal for wherever you put it and reports the ones that aren't. When someone attacks the WiFi around it, Sentinel (beta) works out which tool they used — Bettercap, mdk4, wifite, an ESP32 Marauder. It also reads drone Remote ID over WiFi and Bluetooth, operator location included.
Everything runs on the board itself: a web interface over the node's own access point, the full command set over the mesh, and an HTTP/JSON API. You own your data. There is no cloud service and no subscription. A comparable enterprise RF sensor runs about $15,000, and a fixed multi-sensor site runs $120,000 or more in licence fees.
Three tiers below: assembled and ready to run, a parts kit you build yourself, or the soldered core PCB. Same board and same firmware in all three — the difference is how much is done for you.
- Open source, flashes from a browser.
- ESP32-C5 support is in testing and adds 5 GHz WiFi 6
- Featured in Seeed Studio's Best 20 XIAO Projects of 2025.
What a node does
- Detects every WiFi and Bluetooth device in range, and links a device's randomized addresses back to one source.
- Learns a baseline for the location, then reports when a device appears/leaves.
- Names the tool behind a WiFi attack. Nodes that see the same one confirm it between them.
- Reads drone Remote ID over WiFi and Bluetooth, with operator location, and flags a faked broadcast.
- Talks to other nodes over LoRa, miles apart, with no internet or cell service.
- Erases the SD card on a bump or a radio command, leaving a decoy weather-station file (when enabled).
- Powered from USB or 18650 batteries. Use any 5v solar panel to extend runtime.
- Links up with AntiHunter Command Center for site federation, TAK, MQTT and a ton of C2 power and add-ons.
Full feature list, mesh command set and API reference are in the documentation.
Specs
- 2.4 GHz WiFi b/g/n and BLE, LoRa (Drop-in 5GHz WiFi support in testing)
- Seeed XIAO ESP32-S3, 8 MB flash
- Heltec LoRa V3.2
- ATGM336H GPS
- DS3231 RTC
- SW-420 tamper sensor
- KSD9700 thermal switch and fan
- MicroSD storage
- 82 mm 2-layer PCB: copper ground plane, mounting holes, digital and physical passthrough, SMD breakout pads
- Power: 5 V USB, a battery pack, or the included 2S 18650 UPS. Supplement with USB-C 5V solar panels of your choice.
- Open source. Browser flasher, CLI, PlatformIO
Choose a Tier
You decide how much work is already done:
| Tier 1 · Assembled | Tier 2 · Parts Kit | Tier 3 · Populated PCB | |
|---|---|---|---|
| Who it's for | Deploy today | Weekend builders | Hobbyists |
| Price | $330 | $250 | $180 |
| Setup | Add batteries | Solder and assemble, illustrated manual | Attach antennas. Run it on the open, or enclose it yourself |
| You supply | Batteries | Batteries, GPS antenna (active) | Power |
What's in the box
Tier 3 — Soldered Core PCB
- DIGI Node 2-layer PCB
- 1x Seeed XIAO ESP32-S3
- 1x Heltec V3.2
- 1x ATGM336H GPS module
- 1x SW-420 vibration sensor
- 1x MicroSD module
- 1x DS3231 RTC
- 6x JST 2.54 2-pin female terminals
- 3x factory U.FL antennas (GPS, 2.4 GHz, LoRa)
- 8GB MicroSD card
- Hand assembled and bench tested
- Latest Meshtastic stable flashed to Heltec
Tier 2 — Parts Kit — all parts in Tier 3 (unsoldered) plus:
- 1x 6 dBi 2.4/5 GHz antenna
- 1x 6 dBi LoRa antenna (915 MHz)
- 1x 2S 18650 UPS power board, ESD sealed
- 3x JST 2.54 male for thermal, power and switch
- 3x U.FL to SMA pigtail
- 1x KSD9700 on-wire thermal switch, 40 °C
- 1x toggle switch with waterproof cap
- 1x USB-C waterproof input connector
- 1x 30mm x 7-10mm fan, prewired with JST 2.54 male
- 1x 3D-printed PLA enclosure, unassembled, standard version
- TPU enclosure seal set: housing, USB, GPS base
- 10x melt-in M3 lid and PCB inserts
- 1x 1/4" tripod insert
- 2x M3x15 mm brass standoffs, PCB to case lid
- 14x M3 hex flat-head screws
The PCB arrives unpopulated in this tier. You solder and build it yourself.
Tier 1 — Assembled — everything in Tier 2, plus:
- Fully assembled node
- Active L1/L2/L5 GPS helix SMA antenna
Built, tested, and flashed with the latest Meshtastic stable.
AntiHunter firmware needs to be flashed on arrival for integrity with the two-click web tool or from source.
Solar panels and tripods are not included. Works with any 5v USB-C panel and standard tripod.
Stock is replenished on a rolling basis. We're early in the rollout, so quantities may be limited.
Tips: Before you deploy
-
Change the mesh settings. It arrives with factory default firmware on assembled units. The welcome letter covers what needs to be changed to flash the board and enable serial. Additional changes like disabling BT, screen off and more can be done for power and security
- Grease the housing seals and fit straight antennas if it's going somewhere wet.
- The vibration sensor has a trimmer pot. Turn it down for a windy or otherwise noisy spot.
- Triangulation needs three nodes with GPS before it produces anything. It's experimental and in testing.
Please note
Included Case: (Tier 1 + 2) black with grey text — v2 side-charge design. The PD charger case relies on a tripod's rubber base to seal, so this is the default. Please send a message before ordering for special requests.
Lawful use only. For research, training, and security work on spectrum and systems you own or are authorized to assess. Compliance with privacy, radio, and export regulations is your responsibility. Not for tracking individuals. See the full disclaimer.
Links to code and documentation
Links to code and documentation
Shipping policy
• Dispatch is typically 1–3 business days when in stock.
• Ships within the contiguous 48 US states via USPS Ground Advantage or Priority Mail
• Every shipment includes a tracking number and $100 insurance via USPS
• PCBs are bagged, sealed, and shipped in a bubble mailer. Orders of 6 or more ship boxed via USPS Priority Mail.
• Parts kits/assembled units are bagged, hex-paper padded and ship boxed. Assembled units ship in ESD bags.
Note: Be sure to include your unit/apartment number if applicable. USPS returns packages if the address or name are not in their system.
AntiHunter DIGINODE (Kit/Assembled)
Sold by AntiHunter
$180.00
No tax for United States [change]
Stock available: 1
The seller
AntiHunter - Perimeter Defense Platform