diff --git a/variants/esp32s3/r146.ini b/variants/esp32s3/r146.ini
new file mode 100644
index 0000000000..aa9f4627fd
--- /dev/null
+++ b/variants/esp32s3/r146.ini
@@ -0,0 +1,18 @@
+; DMShell loss bench r146, arm 282: v2.8.2 (tag v2.8.2.d5f1619), plus the until-done test client.
+; The DMShell server and test client are the same code in both arms and in r135, so only the radio and router
+; stack differs. -lt envs are for LONG_TURBO: a 15000-byte job, as r135 ran it. Pair with native-r146-282. Not built by CI.
+
+[env:tbeam-s3-core-r146-282]
+extends = env:tbeam-s3-core
+board_level = extra
+build_flags = ${env:tbeam-s3-core.build_flags}
+  -DDMSHELL_TEST_PEER=0x999312f2
+  -DDMSHELL_TEST_UNTIL_DONE=1
+
+[env:tbeam-s3-core-r146-282-lt]
+extends = env:tbeam-s3-core
+board_level = extra
+build_flags = ${env:tbeam-s3-core.build_flags}
+  -DDMSHELL_TEST_PEER=0x999312f2
+  -DDMSHELL_TEST_UNTIL_DONE=1
+  -DDMSHELL_TEST_OUTPUT_BYTES=15000
diff --git a/variants/native/r146.ini b/variants/native/r146.ini
new file mode 100644
index 0000000000..01b8076c40
--- /dev/null
+++ b/variants/native/r146.ini
@@ -0,0 +1,6 @@
+; DMShell loss bench r146, arm 282: the CH341 server, the same commit as the boards it is paired with.
+; The preset is config, so one server image serves both presets. Not built by CI.
+
+[env:native-r146-282]
+extends = env:native
+board_level = extra
diff --git a/variants/nrf52840/r146.ini b/variants/nrf52840/r146.ini
new file mode 100644
index 0000000000..41b424f96f
--- /dev/null
+++ b/variants/nrf52840/r146.ini
@@ -0,0 +1,48 @@
+; DMShell loss bench r146, arm 282: v2.8.2 (tag v2.8.2.d5f1619), plus the until-done test client.
+; The DMShell server and test client are the same code in both arms and in r135, so only the radio and router
+; stack differs. -lt envs are for LONG_TURBO: a 15000-byte job, as r135 ran it. Pair with native-r146-282. Not built by CI.
+
+[env:rak_wismesh_pocket-r146-282]
+extends = env:rak_wismesh_pocket
+board_level = extra
+build_flags = ${env:rak_wismesh_pocket.build_flags}
+  -DDMSHELL_TEST_PEER=0x999312f2
+  -DDMSHELL_TEST_UNTIL_DONE=1
+
+[env:rak_wismesh_pocket-r146-282-lt]
+extends = env:rak_wismesh_pocket
+board_level = extra
+build_flags = ${env:rak_wismesh_pocket.build_flags}
+  -DDMSHELL_TEST_PEER=0x999312f2
+  -DDMSHELL_TEST_UNTIL_DONE=1
+  -DDMSHELL_TEST_OUTPUT_BYTES=15000
+
+[env:tracker-t1000-e-r146-282]
+extends = env:tracker-t1000-e
+board_level = extra
+build_flags = ${env:tracker-t1000-e.build_flags}
+  -DDMSHELL_TEST_PEER=0x999312f2
+  -DDMSHELL_TEST_UNTIL_DONE=1
+
+[env:tracker-t1000-e-r146-282-lt]
+extends = env:tracker-t1000-e
+board_level = extra
+build_flags = ${env:tracker-t1000-e.build_flags}
+  -DDMSHELL_TEST_PEER=0x999312f2
+  -DDMSHELL_TEST_UNTIL_DONE=1
+  -DDMSHELL_TEST_OUTPUT_BYTES=15000
+
+[env:seeed_mesh_tracker_X1-r146-282]
+extends = env:seeed_mesh_tracker_X1
+board_level = extra
+build_flags = ${env:seeed_mesh_tracker_X1.build_flags}
+  -DDMSHELL_TEST_PEER=0x999312f2
+  -DDMSHELL_TEST_UNTIL_DONE=1
+
+[env:seeed_mesh_tracker_X1-r146-282-lt]
+extends = env:seeed_mesh_tracker_X1
+board_level = extra
+build_flags = ${env:seeed_mesh_tracker_X1.build_flags}
+  -DDMSHELL_TEST_PEER=0x999312f2
+  -DDMSHELL_TEST_UNTIL_DONE=1
+  -DDMSHELL_TEST_OUTPUT_BYTES=15000