# Expansion Back for Gamber-Johnson ET40/45 8in FM-XBKHS-ET4X8 — vehicle mount accessory

**URL:** https://aio.lv/en/product--gamber-johnson-fm-xbkhs-et4x8--10823978
**Data updated:** 2026-02-18 14:37 (EET)
**Category:** Smartphone & Tablet Mounts
**Manufacturer:** Gamber-Johnson
**Manufacturer code:** FM-XBKHS-ET4X8
**EAN:** 0703674565133
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 36.99 €
**Prices and availability valid until:** 2026-08-08 23:59
**Price without VAT (21%):** 30.57 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--gamber-johnson-fm-xbkhs-et4x8--10823978

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

Expansion Back Gamber-Johnson ET40/45 8in (FM-XBKHS-ET4X8) is a rear adapter plate designed to integrate 8-inch devices with Gamber-Johnson vehicle mounting systems for the ET40 and ET45 tablet models. It provides secure mechanical connection and alignment for in-vehicle installations, simplifying mounting, retrofit, and replacement tasks for fleet, field service, and mobile workforce applications.

## Long description

The Gamber-Johnson Expansion Back for ET40/45 8in (FM-XBKHS-ET4X8) is a rear adapter plate engineered to connect 8-inch devices to Gamber-Johnson vehicle mounting systems for the ET40 and ET45 tablet families. It provides a rigid mechanical interface that aligns mounting points, enabling a clean and secure installation within vehicles. Designed for retrofit and replacement scenarios, this expansion back facilitates integration without modifying the vehicle or the tablet housing.
Advantages
This expansion back offers precise alignment of mounting hardware and consistent attachment points to reduce installation time and ensure repeatable positioning. Its robust construction supports in-vehicle vibration and movement while preserving access to ports and controls. The adapter simplifies logistics by allowing compatible 8-inch devices to use existing Gamber-Johnson mounts, minimizing the need for custom fabrication.
Suitable for
Fleet vehicle tablet installations that use Gamber-Johnson ET40/ET45 mounts
Field service and mobile workforce vehicles requiring secure tablet mounting
Retrofit projects replacing or upgrading tablets without changing vehicle mount bases
Service centers performing tablet mount replacements or repairs
Key specifications
Compatibility: designed for 8-inch devices intended for ET40 and ET45 mounting systems
Function: rear adapter plate providing mechanical connection and alignment
Construction: durable plate engineered for in-vehicle use and vibration resistance
Mounting: aligns with Gamber-Johnson vehicle mount attachment points for straightforward installation
Access: maintains routing and access to device ports and controls when mounted
How to use
Attach the expansion back to the rear of the 8-inch device following the device manufacturer’s instructions, ensuring screw locations align with the adapter plate. Secure the assembly to the Gamber-Johnson mount using the mount’s standard attachment hardware and verify that all fasteners are tightened to recommended torque values. Confirm that the tablet sits squarely in the mount, ports are accessible, and any cable routing is correct before vehicle operation.
Usage recommendations
Use the expansion back as part of a complete Gamber-Johnson mounting solution and verify compatibility with the specific ET40/ET45 mount model in your fleet. Inspect fasteners periodically for tightness and check the adapter and mounting components for signs of wear or corrosion in high-vibration environments.

## FAQ

### How much does the Gamber-Johnson Expansion Back ET40/45 8in FM-XBKHS-ET4X8 cost, and is it available for purchase?

The price is 36.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 16 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 23.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Gamber-Johnson products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Gamber-Johnson service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/10823978/68531180_large.webp