diff --git a/device-types/LANCOM/GS-3510XP.yaml b/device-types/LANCOM/GS-3510XP.yaml
new file mode 100644
index 00000000..ad17dccc
--- /dev/null
+++ b/device-types/LANCOM/GS-3510XP.yaml
@@ -0,0 +1,36 @@
+---
+manufacturer: LANCOM
+model: GS-3510XP
+slug: gs-3510xp
+part_number: '61849'
+u_height: 1
+is_full_depth: false
+comments: ''
+power-ports:
+  - name: PS1
+    type: iec-60320-c14
+    maximum_draw: 165
+interfaces:
+  - name: GigabitEthernet 1/1
+    type: 1000base-t
+  - name: GigabitEthernet 1/2
+    type: 1000base-t
+  - name: GigabitEthernet 1/3
+    type: 1000base-t
+  - name: GigabitEthernet 1/4
+    type: 1000base-t
+  - name: 2.5GigabitEthernet 1/5
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/6
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/7
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/8
+    type: 2.5gbase-t
+  - name: 10GigabitEthernet 1/1
+    type: 10gbase-x-sfpp
+  - name: 10GigabitEthernet 1/2
+    type: 10gbase-x-sfpp
+console-ports:
+  - name: com
+    type: rj-45
diff --git a/device-types/LANCOM/GS-3528X.yaml b/device-types/LANCOM/GS-3528X.yaml
new file mode 100644
index 00000000..03b37943
--- /dev/null
+++ b/device-types/LANCOM/GS-3528X.yaml
@@ -0,0 +1,72 @@
+---
+manufacturer: LANCOM
+model: GS-3528X
+slug: gs-3528x
+part_number: '61496'
+u_height: 1
+is_full_depth: false
+comments: ''
+power-ports:
+  - name: PS1
+    type: iec-60320-c14
+    maximum_draw: 50
+interfaces:
+  - name: GigabitEthernet 1/1
+    type: 1000base-t
+  - name: GigabitEthernet 1/2
+    type: 1000base-t
+  - name: GigabitEthernet 1/3
+    type: 1000base-t
+  - name: GigabitEthernet 1/4
+    type: 1000base-t
+  - name: GigabitEthernet 1/5
+    type: 1000base-t
+  - name: GigabitEthernet 1/6
+    type: 1000base-t
+  - name: GigabitEthernet 1/7
+    type: 1000base-t
+  - name: GigabitEthernet 1/8
+    type: 1000base-t
+  - name: GigabitEthernet 1/9
+    type: 1000base-t
+  - name: GigabitEthernet 1/10
+    type: 1000base-t
+  - name: GigabitEthernet 1/11
+    type: 1000base-t
+  - name: GigabitEthernet 1/12
+    type: 1000base-t
+  - name: 2.5GigabitEthernet 1/13
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/14
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/15
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/16
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/17
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/18
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/19
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/20
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/21
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/22
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/23
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/24
+    type: 2.5gbase-t
+  - name: 10GigabitEthernet 1/1
+    type: 10gbase-x-sfpp
+  - name: 10GigabitEthernet 1/2
+    type: 10gbase-x-sfpp
+  - name: 10GigabitEthernet 1/3
+    type: 10gbase-x-sfpp
+  - name: 10GigabitEthernet 1/4
+    type: 10gbase-x-sfpp
+console-ports:
+  - name: com
+    type: rj-45
diff --git a/device-types/LANCOM/GS-3528XP.yaml b/device-types/LANCOM/GS-3528XP.yaml
new file mode 100644
index 00000000..f7eff2f1
--- /dev/null
+++ b/device-types/LANCOM/GS-3528XP.yaml
@@ -0,0 +1,72 @@
+---
+manufacturer: LANCOM
+model: GS-3528XP
+slug: gs-3528xp
+part_number: '61850'
+u_height: 1
+is_full_depth: false
+comments: ''
+power-ports:
+  - name: PS1
+    type: iec-60320-c14
+    maximum_draw: 480
+interfaces:
+  - name: GigabitEthernet 1/1
+    type: 1000base-t
+  - name: GigabitEthernet 1/2
+    type: 1000base-t
+  - name: GigabitEthernet 1/3
+    type: 1000base-t
+  - name: GigabitEthernet 1/4
+    type: 1000base-t
+  - name: GigabitEthernet 1/5
+    type: 1000base-t
+  - name: GigabitEthernet 1/6
+    type: 1000base-t
+  - name: GigabitEthernet 1/7
+    type: 1000base-t
+  - name: GigabitEthernet 1/8
+    type: 1000base-t
+  - name: GigabitEthernet 1/9
+    type: 1000base-t
+  - name: GigabitEthernet 1/10
+    type: 1000base-t
+  - name: GigabitEthernet 1/11
+    type: 1000base-t
+  - name: GigabitEthernet 1/12
+    type: 1000base-t
+  - name: 2.5GigabitEthernet 1/13
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/14
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/15
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/16
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/17
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/18
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/19
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/20
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/21
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/22
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/23
+    type: 2.5gbase-t
+  - name: 2.5GigabitEthernet 1/24
+    type: 2.5gbase-t
+  - name: 10GigabitEthernet 1/1
+    type: 10gbase-x-sfpp
+  - name: 10GigabitEthernet 1/2
+    type: 10gbase-x-sfpp
+  - name: 10GigabitEthernet 1/3
+    type: 10gbase-x-sfpp
+  - name: 10GigabitEthernet 1/4
+    type: 10gbase-x-sfpp
+console-ports:
+  - name: com
+    type: rj-45