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Akuvox AK-S538ONWALLK is the on-wall installation kit for the S538 8″ Android facial recognition door phone. The S538 ships without a box: this slim black plate screws to the wall, the S538 slides down onto its hooks and is locked in with a Torx screw. Template, screws and anchors are included.
- ✓Surface-mounts the Akuvox S538 (297 × 136.4 × 29 mm)
- ✓Black box, 296.5 × 135.9 × 16.3 mm (H × W × D)
- ✓Wall-mounting template, 6 × ST4×20 screws and 6 anchors included
- ✓2 × M4×30 screws to fix over an existing 86-type wall box
Surface-mount the S538.
Slim box, template and fixings.
The AK-S538ONWALLK is Akuvox’s wall-mounting kit for the S538. The door phone is supplied without a box, so every S538 needs either this on-wall kit or the in-wall kit.
This SKU is the on-wall installation kit.
You receive the box and fixings listed below, as shown in the Akuvox S538 installation guide. The S538 door phone is sold separately.
- Wall-mounting box × 1
- Wall-mounting template × 1
- ST4×20 crosshead screws × 6
- M4×30 crosshead screws × 2
- Plastic wall anchors × 6
- Akuvox S538 door phone
- S538 on-wall rain cover for exposed entries (optional)
- PoE 802.3at switch or 24 V DC 2 A supply
Sixteen millimetres off the wall.
The 16.3 mm plate keeps a surface-mounted S538 slim, and cables come through its centre opening from behind — no chasing a 290 mm pocket into the wall.

In the kit
A plate the S538 slides onto.
Black metal plate with two hooks near the top and a cable opening below. The S538 is aligned with the plate and slid down until it engages the top and bottom hooks.
A drilling template, six ST4×20 screws with anchors, and two M4×30 screws for an existing wall box are included.
Fit
Made for the S538.
The plate is 296.5 × 135.9 × 16.3 mm, sized to the 297 × 136.4 mm S538.
The S538 on-wall rain cover shares the plate’s fixing pattern and sits behind it on exposed walls.
At a glance
Key specs — AK-S538ONWALLK
Show all specifications
- Type
- On-wall (surface) installation kit
- Compatible with
- Akuvox S538
- Box size
- 296.5 × 135.9 × 16.3 mm (H × W × D)
- Device size (S538)
- 297 × 136.4 × 29 mm
- Contents
- Wall box, template, 6 × ST4×20 + anchors, 2 × M4×30
- Colour
- Black
- Warranty
- Australian warranty
- Brand
- Akuvox
- Reference
- AK-S538ONWALLK
Fit and dimensions
- Compatible with
- Akuvox S538 door phone
- Wall box (H × W × D)
- 296.5 × 135.9 × 16.3 mm
- S538 panel (H × W × D)
- 297 × 136.4 × 29 mm
- Colour
- Black
Installation
- Drilling
- 6 holes, 6 mm diameter, 25 mm deep, marked from the template
- Wall fixing
- 6 × ST4×20 screws into plastic anchors
- Over an 86-type box
- 4 × ST4×20 into the wall plus 2 × M4×30 into the embedded box
- Device fixing
- S538 slides down onto the top and bottom hooks, then a Torx screw is driven upward at 15°
- Recommended height
- Bottom of panel about 1,007 mm, usable parts below 1,219 mm
In the box
- Wall-mounting box
- 1
- Wall-mounting template
- 1
- ST4×20 crosshead screws
- 6
- M4×30 crosshead screws
- 2
- Plastic wall anchors
- 6
Pair it with
Fits the Akuvox S538
Door phone
Akuvox S538
8″ Android facial recognition door phone with 5 MP starlight camera.
Weather
S538 on-wall rain cover
Black hood that keeps rain and glare off the 8″ screen on exposed walls.
Watch
See it in action
Downloads
Datasheets and guides
Compliance certificates and technical documents are available on request for tenders and installers — send an enquiry.
Answers
Common questions
Does the S538 come with a mounting box?
No. Every S538 needs either this on-wall kit or the S538 in-wall kit.
Can I mount it over an existing wall box?
Yes. Use four ST4×20 screws into the wall and the two M4×30 screws into an 86-type embedded box.
How is the S538 secured to the plate?
It slides down onto the plate’s top and bottom hooks, then the Torx screw supplied with the S538 is driven in diagonally from underneath.
Will the rain cover fit with this kit?
Yes. The S538 on-wall rain cover is for surface-mounted S538 units and fixes behind this plate on the same holes.
What mounting height does Akuvox show?
The drawings place the bottom of the S538 about 1,007 mm above ground, keeping the usable parts below 1,219 mm for accessible entries.
Is the door phone included?
No. This SKU is the mounting kit only.
Surface-mount S538 installs.
Choose this kit for surface installs; for a recessed finish use the S538 in-wall kit. Add the S538 on-wall rain cover where the entry is exposed.
Installation & safety notice
Fitting. Apply the template with the cables through its cut-out, drill six 6 mm holes 25 mm deep and fix the box with the ST4×20 screws and anchors — or four ST4×20 and the two M4×30 into an existing 86-type box. Slide the S538 down onto the hooks and fasten the Torx screw at the bottom — see the Akuvox S538 installation guide.
- Colour
- Black
- Brand
- Akuvox
- Mounting Height
- Bottom of the S538 about 1,007 mm above ground
- Mounting
- S538 hooks onto the plate and locks with a Torx screw
- Size
- 296.5 × 135.9 × 16.3 mm (H × W × D)
- Warranty
- Australian warranty
- Product Type
- On-wall (surface) mounting box
- Model
- S538 on-wall installation kit
- Compatible with
- Akuvox S538 door phone
- Contents
- Wall box, template, 6 × ST4×20 screws, 6 × anchors, 2 × M4×30 screws
- Existing Box
- Fixes over an 86-type wall box with 2 × M4×30 screws