Keepteen LT1
Compact pocket LoRa device from Keepteen featuring the nRF52840 (nRF53840 according to the manufacturer) and SX1262. L76K GPS module (GPS/GLONASS/BeiDou/QZSS). MeshCore firmware v1.11.0 officially supported. Small form factor, portable all-rounder for Meshtastic and MeshCore. Community firmware: Companion BLE/USB, Repeater, Room Server.
Hardware Specifications
MCU
nRF52840
RAM
256 KB
Flash
1 MB
Display
-
Button Count
1
Has LEDs
true
Weight
45 g
Dimensions
80 x 45 x 15
LoRa Specifications
LoRa Chip
SX1262
Frequency Band
868 MHz, 915 MHz
Max. TX Power
22 dBm
Antenna Type
Integrierte Antenne + IPEX
Typical Range
12 km
Connectivity
WiFi
false
Bluetooth
true
GPS
true
Power
USB Type
USB-C
Battery Connector
Built-in LiPo
Solar Support
false
Power Consumption (Idle)
8 mA
Power Consumption (TX)
85 mA
Firmware Support
Release notes: https://blog.meshcore.io/2026/06/06/release-1-16-0
Release notes: https://blog.meshcore.io/2026/06/06/release-1-16-0
Release notes: https://blog.meshcore.io/2026/06/06/release-1-16-0
Release notes: https://blog.meshcore.io/2026/06/06/release-1-16-0
⚠️ Check that radio.rxgain(on) and flood.advert.base (0.308) are set correctly after flashing! ⚠️
This build is based on official MeshCore 1.15.0 dev branch (as of 25-May-2026 and additionally includes the following unmerged upstream PRs/changes:
- PR2553: Limit flood advert packet forwarding -->
set flood.advert.base 0...1(0: no flood adv. forwarding, 0.308: default, 1: all flood adv. forwarding) - PR1810: Allow direct message paths when denyf * is set
- :new: PR1727: Use hardware channel activity detection for checking interference --> Use
set int.thresh 1to activate hw based channel activity detection. - :new: PR2377: Disable NRF52 undervoltage bootlock feature
- Flood adverts are disabled (flood.advert.interval set to 0) by default
- :new: modified PR1810 to not block flood adverts but only
PAYLOADTYPEGRPTXTandPAYLOADTYPEGRPDATAso that some limited flood advert distribution can be managed via PR2553 to support e.g. observer maps.
- Based on
devv1.15.0 as of 25-May-2026
Full Changelog: https://github.com/MichTronics/MeshCoreNG/compare/bridge-tcp-v1.0.5...repeater-v1.0.1
Full Changelog: https://github.com/MichTronics/MeshCoreNG/compare/bridge-tcp-v1.0.5...companion-v1.0.1
Full Changelog: https://github.com/MichTronics/MeshCoreNG/compare/bridge-tcp-v1.0.5...companion-v1.0.1
Full Changelog: https://github.com/MichTronics/MeshCoreNG/compare/bridge-tcp-v1.0.5...room-server-v1.0.1
Automatic sync from different repositories
Links
Purchase Links
Links to online shops are subject to change. We do not guarantee that these links will remain accessible.