---
description: Using Hologram or Emnify SIM Cards with ATDM
---

# SIM Cards

**Introduction**

The Advanced Telematics Display Module (ATDM) by Andromeda is designed to offer robust and reliable vehicle telematics solutions. To ensure seamless and enhanced data communication, our ATDM product is compatible with both Hologram and Emnify SIM cards. This guide will walk you through the steps to use either of these SIM cards with your ATDM device.

**Why Choose Hologram or Emnify?**

**Hologram SIM Cards:**

* **Global Coverage:** Hologram offers global cellular connectivity, ensuring that your ATDM device remains connected no matter where your vehicles operate.
* **Flexible Plans:** Hologram provides various data plans to suit different needs, whether for low or high data usage.
* **Easy Management:** With the Hologram Dashboard, managing and monitoring your SIM cards is straightforward and efficient.

**Emnify SIM Cards:**

* **Extensive Network:** Emnify provides extensive network coverage with multiple network operators, ensuring strong and reliable connectivity.
* **Secure Communication:** Emnify offers secure communication channels to safeguard your data during transmission.
* **IoT Focused:** Emnify's services are tailored for IoT applications, providing optimized connectivity solutions for telematics devices like ATDM.

**Setting Up Hologram or Emnify SIM Cards with ATDM**

1. **Insert the SIM Card:**
   * Power off your ATDM device.
   * Locate the SIM card slot on the ATDM device.
   * Insert the Hologram or Emnify SIM card into the slot, ensuring it is properly seated.
   * Power on the ATDM device.
2. **Configure Network Settings:**
   * Access the ATDM device settings via the touch capacitive screen.
   * Navigate to the 'Network' or 'Cellular' settings section.
   * Enter the APN (Access Point Name) provided by Hologram or Emnify:
     * For Hologram: Use the APN `hologram`.
     * For Emnify: Use the APN `emnify`.
   * Save the settings and restart the device if necessary.
3. **Verify Connectivity:**
   * After the device restarts, navigate to the network status section.
   * Verify that the ATDM device is connected to the network.
   * Check the signal strength and ensure that data communication is active.
4. **Monitor and Manage:**
   * For Hologram SIM cards, use the Hologram Dashboard to monitor data usage, manage SIM cards, and configure alerts.
   * For Emnify SIM cards, utilize the Emnify Portal for comprehensive management of your connectivity, including data usage monitoring and device management.

**Troubleshooting**

* **No Network Connection:**
  * Ensure the SIM card is properly inserted.
  * Double-check the APN settings for accuracy.
  * Restart the ATDM device.
  * Verify that the SIM card is active and has a valid data plan.
* **Weak Signal:**
  * Relocate the ATDM device to an area with better network coverage.
  * Use external antennas if applicable to improve signal strength.
* **Data Communication Issues:**
  * Verify that the correct data plan is associated with the SIM card.
  * Check for any data usage limits or restrictions on the SIM card account.

**Conclusion**

Using Hologram or Emnify SIM cards with your ATDM device ensures reliable and secure connectivity for your telematics applications. By following the setup and configuration steps outlined in this guide, you can easily integrate these SIM cards into your ATDM devices and enjoy enhanced data communication capabilities.

For further assistance, please refer to the Hologram and Emnify support resources or contact our support team.

***

#### Purchasing SIM Cards from Andromeda

Andromeda offers SIM cards for both development and production purposes. To inquire about pricing options, please provide the following information:

* Number of monthly active devices.
* Average device data usage per month.
* Need for global coverage.

Based on this information, we can determine the best and most cost-effective data plans for your remote application needs. Please contact our sales team for more details.
