Local mesh
Product photos: LILYGO
LILYGO T-Beam Supreme
The Meshtastic-compatible LoRa board, with display, GPS and the Bluetooth link to a phone. Its three buttons sit along the side of the enclosure.
- Radio
- 868 MHz LoRa
- Role
- Local mesh interface
Inside MSC-2
Inside MSC-2
Two radios.
One shared gateway.
Real components, clearly identified. The LILYGO board handles the local mesh. The RockBLOCK modem provides the satellite side of the design.
Satellite link
Product photos: Ground Control
RockBLOCK 9704-SMA
The Iridium IMT satellite modem. The short helical antenna serves this board. Satellite airtime is purchased separately from Ground Control.
- Service
- Iridium IMT
- Role
- Satellite interface
01
Made to hold the hardware
Orange ASA enclosure. Approx. 146 x 63 x 63 mm for body and lid.
02
A cylindrical cell, supported
One 3.480 mAh 18650 cell, about a day on standby (estimate).
03
A quick-message button
The red button is intended for a preset message to a preset contact. It is not a monitored distress button.
Mesh range about 2 to 5 km between radios in towns and woods, up to about 11 km in clear line of sight. Estimate from the parts' published figures.
View the technical details
- Model
- MeshSat Compact v2 / MSC-2
- Enclosure size
- Approx. 146 x 63 x 63 mm, body and lid. Antennas and carry attachments add to this.
- Weight
- Assembled weight to be measured on the pilot unit.
- Display
- On-board OLED on the LILYGO T-Beam Supreme, visible through the lid window.
- Antenna connections
- Two SMA female sockets, for the supplied Iridium and 868 MHz LoRa antennas. Confirm compatibility before fitting a different antenna.
- Charging
- USB-C, 5 V / 1 A. About 8 hours from empty (estimate).
- Operating temperature
- About −10 to 50 °C in use, 0 to 45 °C charging (estimate).
- Phone connection
- Bluetooth LE to a supported MeshSat app. Android and iOS have different test and release status. Check platform support.
- Local mesh use
- The included Meshtastic-compatible radio handles local mesh traffic. Satellite routing needs an active airtime line and configured routes; local radio settings still need to match your team.
- Satellite message size
- IMT service capability up to 100 kB. This is not a verified MSC-2 mesh payload limit.
- Airtime
- One Iridium IMT line per team, rented from Ground Control.
- Weather protection
- O-ring seals and a membrane vent, built for rain. Not for submersion.
- Software
- GPL-3.0
- Hardware
- CERN-OHL-S-2.0
- Updates and modification
- Open-source firmware with a developer USB flashing route. Use the build and instructions for the MSC-2 / 9704 hardware. Updates and support.
- Shipping
- EU addresses only. Country-specific shipping cost and delivery estimate are shown before payment when ordering opens. No flat shipping price is published yet.
Built to order in Leiden
Assembled in the Netherlands. EU shipping expected December 2026 to January 2027.
Open to inspect
Published software and enclosure files. Follow the work or build your own.
Explore the sourceDocuments with the unit
Instructions, safety leaflet and EU declaration of conformity, including a printed copy.
Conformity documentsHereby, Elli.Z.G., trading as MeshSat, declares that the radio equipment type MeshSat Compact v2 (MSC-2) is in compliance with Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address: https://docs.meshsat.net/conformity/msc-2/MeshSat-Compact-v2-MSC-2_EU-Declaration-of-Conformity.pdf
The whole MeshSat system in 17:13; MSC-2 appears in the hardware part. Nothing loads from YouTube until you press play.