Gemalto Cinterion EHS6T Review

This article is a review of the Gemalto Cinterion EHS6T modem. You can read about the modem's technical details and specifications, how it can be used for sending/receiving messages and it's compatibility with Ozeki services. The following review is useful for people who are planning on buying a Gemalto Cinterion EHS6T modem or people who want to know more about the product. Gemalto is a renowned digital security company that specializes in providing various solutions to digital transactions, communications and identities. Cinterion is Gemalto's product line that focuses on providing cellular communication modules for IoT and M2M applications with built-in high security protocols to ensure confidentiality in cellular communications. This model works worldwide on GSM based 2G, 3G and 4G networks.

gemalto cinterion ehs6t
Figure 1 - Gemalto Cinterion EHS6T

What is the Cinterion EHS6T?

The Cinterion EHS6T is an industrial-grade cellular module designed for reliable and secure M2M or IoT communication. It supports 2G (GPRS/EDGE) and 3G (UMTS/HSPA) cellular networks, which allows it to be used in various applications where cellular connectivity is essential. It is known for its robustness, low power consumption, and extended temperature range, making it suitable for harsh environments and remote installations. The EHS6T module offers built-in security protocols to ensure the confidentiality and integrity of data transmitted over cellular networks. This level of security is vital in IoT applications where sensitive data might be transmitted.

cinterion ehs6t sendin sms
Figure 2 - How Gemalto Cinterion EHS6T sends SMS

Inserting a SIM card into the Gemalto Cinterion EHS6T

Inserting a SIM card into the Cinterion EHS6T is really straight forward, without any disassembly needed, you just have to locate the SIM slot and insert it (according to Figure 3) with the contacts facing the orange protective plastic.

cinterion ehs6t sim
Figure 3 - How to insert SIM card into Gemalto Cinterion EHS6T

Technical details of the Gemalto Cinterion EHS6T

Gemalto Cinterion EHS6T technical specifications

Connection RJ45 Ethernet, USB, Serial,
Frequency bands 800, 850, 900, 1900, 2100
Signal Strength Average
SMS Speed ~21 SMS1/min
Network protocols GSM, GPRS, EDGE, UMTS
Network speeds up to 7.2 Mbps downlink and 5.6 Mbps uplink
Operating Voltage 8-30V DC

SMS1 - 160 character long text message

Setting up Gemalto Cinterion EHS6T (quick steps)

  1. Connect EHS6T modem to your computer.
  2. Install Ozeki SMS Server software.
  3. Configure modem in SMS Server settings.
  4. Check modem's communication port settings.
  5. Set up SMS sending parameters.
  6. Test SMS sending functionality.
  7. Start sending SMS with Ozeki SMS Server.

Gemalto Cinterion EHS6T Datasheets and Manuals

Gemalto Cinterion EHS6T Setup Experience

To connect the Gemalto Cinterion EHS6T modem to your PC, use a compatible USB or RS-232 serial cable to establish a physical connection between the modem's port and your computer's USB or serial port. Once connected, the modem should be detected by your computer as a new device, and you can proceed with setting it up for SMS sending using Ozeki SMS Server, or use the RJ45 Ethernet port to estabilish a connection.

The device might need additional drivers based on your operating system, if you are using the USB version, you should look at the manufacturer's website, if you own a Serial port version, you may need to download a driver for serial connections.

Personal Experience with the Gemalto Cinterion EHS6T

In our technical evaluation at the Ozeki Testing Laboratory, we thoroughly tested the Gemalto Cinterion EHS6T modem for its performance in secure cellular connections. During the testing process, we found that the modem exhibited excellent reliability and stability in maintaining cellular connections for M2M and IoT applications. Its support for 2G and 3G networks ensured wide coverage and compatibility with various communication infrastructures. Moreover, the embedded security features provided an added layer of protection for sensitive data transmissions. Based on our comprehensive tests, we can confidently conclude that the Gemalto Cinterion EHS6T modem excels in offering secure and reliable cellular connections for industrial and IoT applications.

Technical problems with the Gemalto Cinterion EHS6T for SMS messaging

Gemalto Cinterion EHS6T modem has a limited internal memory for storing SMS messages. Typically, this modem can store a small number of SMS messages, usually around 3 to 5 messages, including both sent and received messages. The exact number might vary based on the size of the messages and other factors. It's important to note that the limited storage capacity for SMS messages is a common characteristic of many embedded modems used in M2M and IoT applications. These modems are often designed to focus on real-time data transmission rather than serving as long-term message storage devices. As a result, it's crucial to manage SMS storage and processing efficiently, especially if your application requires the handling of a large number of messages.

Pros and Cons of Gemalto Cinterion EHS6T

Pros:

  • Secure cellular connections for sensitive data.
  • Wide compatibility with 2G and 3G networks.
  • Reliable and stable performance for M2M applications.
  • Industrial-grade build for harsh environments.
  • Low power consumption for energy-efficient operation.

Cons:

  • Limited SMS storage capacity (approx. 4 messages).
  • No native support for newer IoT protocols.
  • Limited support for higher-speed cellular networks.
  • Potential need for additional drivers in some setups.
  • Future-proofing concerns due to evolving technology standards.

How to send SMS messages with Gemalto Cinterion EHS6T

To start SMS text messaging using the Gemalto Cinterion EHS6T modem and Ozeki SMS Server, ensure you have the modem, a PC, Ozeki SMS Server software, a functional SIM card for cellular connectivity, and the provided antenna for signal strength. After setting up the modem and software, configure SMS parameters, compose the message, specify the recipient, and use Ozeki SMS Server's capabilities, including SMS APIs, to facilitate seamless and efficient communication. Check out the Ozeki SMS Server manual for further information.

How to receive SMS messages with Gemalto Cinterion EHS6T

To receive SMS with the Gemalto Cinterion EHS6T modem, ensure it's connected and configured in Ozeki SMS Server. Incoming text messages can be monitored through the Ozeki SMS Server GUI. Once the modem is recognized, Ozeki SMS Server provides real-time visibility into received SMS content and sender information.

Summary

In conclusion, the Gemalto Cinterion EHS6T modem offers reliable and secure cellular connections, making it well-suited for M2M and IoT applications. Its wide compatibility with 2G and 3G networks ensures broad coverage, and its industrial-grade build ensures durability in challenging environments. While it has certain limitations, such as a limited SMS storage capacity and lack of native support for newer IoT protocols, its overall performance and security features make it a valuable choice for many IoT deployments.

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