diff --git a/vendor/index.yaml b/vendor/index.yaml
index e4d8cb4500..1cf0a1e43f 100644
--- a/vendor/index.yaml
+++ b/vendor/index.yaml
@@ -2032,6 +2032,10 @@ vendors:
       linkedin: https://www.linkedin.com/company/lualtek/
       twitter: lualtek
 
+  - id: loptimizer
+    name: Loptimizer
+    website: https://www.loptimizer.com
+
   - id: n-fuse
     name: n-fuse GmbH
     description: n-fuse is a digitization focusd company providing cutting-edge end-to-end solutions including LoRaWAN devices like environment sensors, IoT bbuttons, gateways and bridges.
diff --git a/vendor/loptimizer/index.yaml b/vendor/loptimizer/index.yaml
new file mode 100644
index 0000000000..ecf5498ceb
--- /dev/null
+++ b/vendor/loptimizer/index.yaml
@@ -0,0 +1,9 @@
+endDevices:
+  - loptimizer
+
+profileIDs:
+  '1':
+    endDeviceID: 'loptimizer'
+    firmwareVersion: '1.0.4'
+    hardwareVersion: '1.0'
+    region: 'EU863-870'
diff --git a/vendor/loptimizer/loptimizer-profile.yaml b/vendor/loptimizer/loptimizer-profile.yaml
new file mode 100644
index 0000000000..b8e861217c
--- /dev/null
+++ b/vendor/loptimizer/loptimizer-profile.yaml
@@ -0,0 +1,9 @@
+macVersion: '1.0.4'
+regionalParametersVersion: 'RP002-1.0.1'
+
+supportsJoin: true
+maxEIRP: 16
+supports32bitFCnt: true
+
+supportsClassB: false
+supportsClassC: false
diff --git a/vendor/loptimizer/loptimizer.yaml b/vendor/loptimizer/loptimizer.yaml
new file mode 100644
index 0000000000..d514af9cc7
--- /dev/null
+++ b/vendor/loptimizer/loptimizer.yaml
@@ -0,0 +1,56 @@
+name: Pocket Tester
+description: LoRaWAN field tester for on-site link validation and battery optimization.
+
+hardwareVersions:
+  - version: '1.0'
+    numeric: 1
+
+firmwareVersions:
+  - version: '1.0.4'
+    numeric: 10004
+    hardwareVersions:
+      - '1.0'
+    profiles:
+      EU863-870:
+        id: loptimizer-profile
+        lorawanCertified: false
+      US902-928:
+        id: loptimizer-profile
+        lorawanCertified: false
+      AU915-928:
+        id: loptimizer-profile
+        lorawanCertified: false
+      AS923:
+        id: loptimizer-profile
+        lorawanCertified: false
+      AS923-2:
+        id: loptimizer-profile
+        lorawanCertified: false
+      AS923-3:
+        id: loptimizer-profile
+        lorawanCertified: false
+      AS923-4:
+        id: loptimizer-profile
+        lorawanCertified: false
+      KR920-923:
+        id: loptimizer-profile
+        lorawanCertified: false
+      IN865-867:
+        id: loptimizer-profile
+        lorawanCertified: false
+      RU864-870:
+        id: loptimizer-profile
+        lorawanCertified: false
+
+deviceType: cots
+sensors:
+  - rssi
+  - snr
+  - link
+additionalRadios:
+  - ble
+
+productURL: https://www.loptimizer.com
+
+photos:
+  main: loptimizerpicture.png
diff --git a/vendor/loptimizer/loptimizerpicture.png b/vendor/loptimizer/loptimizerpicture.png
new file mode 100644
index 0000000000..20b344403c
Binary files /dev/null and b/vendor/loptimizer/loptimizerpicture.png differ