# WLAN card Dell EM7455 for Latitude 7380 / Precision Mobile Workstation 7520 7720

**URL:** https://aio.lv/en/product--dell-em7455--504171
**Data updated:** 2026-03-07 10:53 (EET)
**Category:** Other Repair Parts
**Manufacturer:** Dell
**Manufacturer code:** EM7455
**EAN:** 5397184039106
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 89.49 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 73.96 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-em7455--504171

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Pickup points | 27.07.2026 | 1.89 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

WLAN card Dell EM7455 (model 556-BBTD) is a wireless network module compatible with Dell systems including Latitude 7380 and Precision Mobile Workstation 7520 and 7720. Designed to provide Wi‑Fi connectivity for supported laptops, it serves as a replacement or upgrade part for restoring or improving wireless access in compatible Dell notebooks.

## Long description

The WLAN card Dell EM7455 for Latitude 7380 / Precision Mobile Workstation 7520 7720 is a factory-validated internal wireless module designed to provide cellular and HSPA/+ wireless connectivity for compatible Dell notebooks. Compatible with specified Dell models, this Qualcomm-based card supports LTE and HSPA/+ technologies to enable mobile data access without external adapters. The module has been tested and validated on Dell systems and is supported by Dell Technical Support when used in a compatible Dell system.
Advantages
The Dell EM7455 integrates LTE and HSPA/+ support into an internal M.2 form factor module, eliminating the need for external USB modems and reducing risk of lost or damaged adapters. As a Dell-validated part, it is intended for straightforward replacement or upgrade in supported Latitude and Precision notebook models and benefits from system-level validation and vendor support. Built-in multi-carrier support enables use with a variety of mobile operators subject to network compatibility and provisioning.
Suitable for
 Restoring or replacing a defective internal cellular/WLAN module in Latitude 7380
 Upgrading connectivity in Precision Mobile Workstation 7520 and 7720 to enable LTE/HSPA+ mobile data
 Field use where integrated mobile broadband is required without external dongles
 Business users requiring verified Dell parts and vendor support for system compatibility
Key specifications
 Wireless technologies: LTE and HSPA/+ (cellular mobile broadband)
 Form factor: internal M.2 mobile broadband module (manufacturer-specified form factor for supported systems)
 Chipset vendor: Qualcomm-based mobile broadband solution
 Designed compatibility: validated for use in select Dell Latitude and Precision Mobile Workstation models
 Multi-carrier support: capable of operating with multiple mobile network operators where supported
How to use
Install the Dell EM7455 into the appropriate internal M.2 slot of a supported Dell notebook following the service manual instructions for your model. After physical installation, install or enable any required device drivers and software provided by Dell or the operating system to activate the mobile broadband interface. Insert and configure a compatible SIM card from your mobile operator and verify network settings and APN information as required by the carrier. Reboot the system if prompted and confirm connection via the operating system network manager.
Usage recommendations
Use the Dell EM7455 in Dell systems for which it is validated to ensure driver compatibility and access to Dell Technical Support. Confirm mobile operator compatibility and any required provisioning or data plans before relying on the module for connectivity. Follow Dell safety and service documentation when performing hardware replacement to avoid damage and to maintain warranty coverage.

## Specifications

| Feature | Value |
|---|---|
| Type | WLAN card |
| Compatibility | Latitude 7380
Precision Mobile Workstation 7520, 7720 |
| Product colour | Green, White |
| Brand compatibility | Dell |
| Quantity per pack | 1 pc(s) |
| Harmonized System (HS) code | 84732990 |

## FAQ

### How much does the WLAN card Dell EM7455 (556-BBTD) cost, and is it available for purchase?

The price is 89.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 22.07.2026 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: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can WLAN card Dell EM7455 (556-BBTD) be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Dell 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 Dell 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

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