RM-2 Firmware Downloads

AT Labs RM-2 Firmware

Download AT Labs firmware for MeshCore, Meshtastic, and Reticulum/RNode on the RM-2.

MeshCore Meshtastic Reticulum / RNode Generated 2026-06-13T00:16:04Z UTC
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MeshCore

Companion and repeater firmware for RM-2, with BLE, USB, GPS, and an 8 dBm transmit-power limit.

Release Notes
15 releases
Release Notes
MeshCore

AT Labs RM-2 MeshCore 1.16.0.AT.1 Repeater GPS On

Variant: Repeater GPS On
Install: XIAO bootloader required
Published: 2026-06-08 12:37:12 -04:00
UF2
ATLabs_RM2_MeshCore_1.16.0.AT.1_Repeater_GPS_On.uf2
Version
1.16.0.AT.1
Download UF2 HEX Notes
SHA256: 40e1e1f2023ccaee6cf0c3e04d47f15c863a3575fe8532f9249a2fa29a2cdda9
MeshCore

AT Labs RM-2 MeshCore 1.16.0.AT.1 Repeater GPS Off

Variant: Repeater GPS Off
Install: XIAO bootloader required
Published: 2026-06-08 12:37:11 -04:00
UF2
ATLabs_RM2_MeshCore_1.16.0.AT.1_Repeater_GPS_Off.uf2
Version
1.16.0.AT.1
Download UF2 HEX Notes
SHA256: f8ea2870227a05204dd8e437cf37b6eeb512bfb763b7b3e0fbfe55173a91df1f
MeshCore

AT Labs RM-2 MeshCore 1.16.0.AT.1 Companion Dual

Variant: Companion Dual
Install: XIAO bootloader required
Published: 2026-06-08 12:33:43 -04:00
UF2
ATLabs_RM2_MeshCore_1.16.0.AT.1_Companion_Dual.uf2
Version
1.16.0.AT.1
Download UF2 HEX Notes
SHA256: ecf405b2003092068186c32f40db54eb0fffaf05eab89431221b28d69e39d664
MeshCore

AT Labs RM-2 MeshCore 1.16.0.AT.1 Companion USB

Variant: Companion USB
Install: XIAO bootloader required
Published: 2026-06-08 12:33:42 -04:00
UF2
ATLabs_RM2_MeshCore_1.16.0.AT.1_Companion_USB.uf2
Version
1.16.0.AT.1
Download UF2 HEX Notes
SHA256: 24e2e6cd2a4354344499ac6ac4ebc18f2aa34502b24a648b21951c1f238b8973
MeshCore

AT Labs RM-2 MeshCore 1.16.0.AT.1 Companion BLE

Variant: Companion BLE
Install: XIAO bootloader required
Published: 2026-06-08 12:33:41 -04:00
UF2
ATLabs_RM2_MeshCore_1.16.0.AT.1_Companion_BLE.uf2
Version
1.16.0.AT.1
Download UF2 HEX Notes
SHA256: 2328eb15d405ecfcb7557cac6c39dd34b8e804100e96c2ca5b770f044c4cdff4
Previous releases 10 older releases
MeshCore

AT Labs RM-2 MeshCore 1.15.0.AT.1 Repeater GPS Off

Variant: Repeater GPS Off
Install: XIAO bootloader required
Published: 2026-04-20 12:52:03 -04:00
UF2
ATLabs_RM2_MeshCore_1.15.0.AT.1_Repeater_GPS_Off.uf2
Version
1.15.0.AT.1
Download UF2 HEX Notes
SHA256: 87b083ef0bd7c4000b136dd0eaef70ed3a2203fc8eaa1629cb9ff989a8ebd046
MeshCore

AT Labs RM-2 MeshCore 1.15.0.AT.1 Repeater GPS On

Variant: Repeater GPS On
Install: XIAO bootloader required
Published: 2026-04-20 12:52:03 -04:00
UF2
ATLabs_RM2_MeshCore_1.15.0.AT.1_Repeater_GPS_On.uf2
Version
1.15.0.AT.1
Download UF2 HEX Notes
SHA256: 0cb607ccaa1cd1cb9d562b0d1aabecc98e348dd9364c9e72df4ca4f1d5809f64
MeshCore

AT Labs RM-2 MeshCore 1.15.0.AT.1 Companion Dual

Variant: Companion Dual
Install: XIAO bootloader required
Published: 2026-04-20 12:50:33 -04:00
UF2
ATLabs_RM2_MeshCore_1.15.0.AT.1_Companion_Dual.uf2
Version
1.15.0.AT.1
Download UF2 HEX Notes
SHA256: bfe29af3ac5f7b8a3d3f1a566b28213b3b50b27819bd170b50bf2d5efedf5817
MeshCore

AT Labs RM-2 MeshCore 1.15.0.AT.1 Companion USB

Variant: Companion USB
Install: XIAO bootloader required
Published: 2026-04-20 12:50:33 -04:00
UF2
ATLabs_RM2_MeshCore_1.15.0.AT.1_Companion_USB.uf2
Version
1.15.0.AT.1
Download UF2 HEX Notes
SHA256: 055512f27ce98a64a207cfd782671332e4884e69df6a1a7e5055579bfce6c05e
MeshCore

AT Labs RM-2 MeshCore 1.15.0.AT.1 Companion BLE

Variant: Companion BLE
Install: XIAO bootloader required
Published: 2026-04-20 12:50:32 -04:00
UF2
ATLabs_RM2_MeshCore_1.15.0.AT.1_Companion_BLE.uf2
Version
1.15.0.AT.1
Download UF2 HEX Notes
SHA256: d943ff5938280698a3433da6f009c087581a731e3179bc4c5bae9d510f9bd2c8
MeshCore

AT Labs RM-2 MeshCore 1.14.1.AT.3 Companion Dual

Variant: Companion Dual
Install: XIAO bootloader required
Published: 2026-04-15 14:28:06 -04:00
UF2
ATLabs_RM2_MeshCore_1.14.1.AT.3_Companion_Dual.uf2
Version
1.14.1.AT.3
Download UF2 HEX Notes
SHA256: e84482a910c258077d0850a67a36516b6caf602b44c218cc55513ba49e7137dd
MeshCore

AT Labs RM-2 MeshCore 1.14.1.AT.3 Companion USB

Variant: Companion USB
Install: XIAO bootloader required
Published: 2026-04-15 14:28:06 -04:00
UF2
ATLabs_RM2_MeshCore_1.14.1.AT.3_Companion_USB.uf2
Version
1.14.1.AT.3
Download UF2 HEX Notes
SHA256: b343a4a6f3dff1ba54d928fa298609cf2e42dba2c5e91b525c3cb676687e9d6a
MeshCore

AT Labs RM-2 MeshCore 1.14.1.AT.3 Companion BLE

Variant: Companion BLE
Install: XIAO bootloader required
Published: 2026-04-15 14:28:05 -04:00
UF2
ATLabs_RM2_MeshCore_1.14.1.AT.3_Companion_BLE.uf2
Version
1.14.1.AT.3
Download UF2 HEX Notes
SHA256: 9f0a14d3100f4b8063cef06426d9c3b227593488b6126205e3ec06f3bd61808e
MeshCore

AT Labs RM-2 MeshCore 1.14.1.AT.3 Repeater GPS On

Variant: Repeater GPS On
Install: XIAO bootloader required
Published: 2026-04-01 13:53:53 -04:00
UF2
ATLabs_RM2_MeshCore_1.14.1.AT.3_Repeater_GPS_On.uf2
Version
1.14.1.AT.3
Download UF2 HEX Notes
SHA256: 75158fd6d2ec3bbb6acb172c10c19be7850d59d61aaf88814343721e25165c8a
MeshCore

AT Labs RM-2 MeshCore 1.14.1.AT.3 Repeater GPS Off

Variant: Repeater GPS Off
Install: XIAO bootloader required
Published: 2026-04-01 13:53:51 -04:00
UF2
ATLabs_RM2_MeshCore_1.14.1.AT.3_Repeater_GPS_Off.uf2
Version
1.14.1.AT.3
Download UF2 HEX Notes
SHA256: f168b2110fcf0eb27bbab5632c2704cf28d569c9e434db9f40df8f12deecb7d8

Meshtastic

Meshtastic firmware for RM-2 with transmit power limited to 8 dBm.

Release Notes
1 release
Release Notes
Meshtastic

AT Labs RM-2 Meshtastic v2.7.15_567b8ea_8dBm

Variant: Default
Install: XIAO bootloader required
Published: 2026-03-27 14:59:21 -04:00
UF2
ATLabs_RM2_Meshtastic_v2.7.15_567b8ea_8dBm.uf2
Version
v2.7.15_567b8ea_8dBm
Download UF2 HEX Notes
SHA256: c28e48e4053e546c3c896fe3f3b909331e8ad4f479e80b423e8800b16d3e51d4

Reticulum / RNode

RNode firmware for using the RM-2 with Reticulum. This release is currently in beta.

Release Notes
1 release
Release Notes
Reticulum / RNode

AT Labs RM-2 RNode 1.75.0-beta.1 (Beta)

Beta firmware This release is for testing. Keep a recovery image available.
Variant: USB Beta
Install: Beta (XIAO bootloader required)
Published: 2026-06-11 14:26:16 -04:00
UF2
ATLabs_RM2_RNode_1.75.0-beta.1_USB_8dBm_BETA.uf2
Version
1.75.0-beta.1
Download UF2 HEX Notes
SHA256: 87775ac047ad7ae36cd7a00e66c2dfc52a3f040d98315987ff5d44776a3d4495

Support Files

Recovery and rollback files for restoring an RM-2.

AT Labs RM-2 firmware