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We are experts in wireless connectivity solutions and support our clients in the realisation of their specific wireless communication products. Our one-stop shop services cover the entire product creation process starting as early as the specification of requirements and the development of hardware solutions to industrialization, certification, qualification and the manufacturing of the final product.

Wireless connectivity gateways, also known as wireless gateways or simply gateways, are devices that enable communication between different networks. They play a crucial role in wireless connectivity by facilitating the transfer of data between devices, networks, and the internet. Here are some of the key functions of wireless connectivity gateways:

1. Network Bridging
   Wireless gateways can bridge the gap between different types of networks, such as wireless local area networks (WLANs) and wide area networks (WANs). They facilitate communication between devices connected to different networks, allowing them to exchange data seamlessly.

2. Protocol Translation
   Gateways often perform protocol translation, converting data from one protocol to another. For example, they can convert data from Wi-Fi (Wireless Fidelity) protocols to Ethernet protocols or vice versa, enabling devices with different connectivity options to communicate effectively.

3. Internet Connectivity
   Wireless gateways act as an interface between local networks and the internet. They establish connections to internet service providers (ISPs) and provide internet access to devices within the local network, enabling them to access online resources and services.

4. Security and Firewall
   Gateways often incorporate security features such as firewalls to protect the local network from unauthorized access and potential threats. They can enforce security policies, monitor incoming and outgoing traffic, and apply filtering rules to safeguard the network.

5. Network Management
   Wireless gateways may offer network management functionalities, allowing administrators to configure and monitor network settings, set up access controls, allocate IP addresses, and manage connected devices. These management features provide administrators with control and oversight over the network infrastructure.

6. VPN (Virtual Private Network) Support
   Some wireless gateways offer VPN support, allowing secure remote access to the local network. This feature enables users to establish encrypted connections to the gateway from external locations, ensuring secure communication and data transfer.

7. Device Integration
   Gateways often support the integration of various devices and technologies within the network ecosystem. They can connect and manage a wide range of devices, including IoT (Internet of Things) devices, sensors, and other wireless-enabled devices, enabling seamless integration and interoperability.

8. Data Aggregation and Analytics
   In some cases, wireless gateways may perform data aggregation and analysis functions. They can collect data from multiple devices or sensors, process it locally, and send relevant information to cloud-based platforms or other systems for further analysis or decision-making.

Many of lesswire's references are in the area of ​​automotive gateways.

1. Infotainment Gateway
   Infotainment gateways are used, for example, as WLAN hotspots and access points for passengers, customers and guests in cars, buses or train cars.
    
2. Application Gateway
   Application gateways, on the other hand, relate to the secure display and operation of apps on the vehicle head unit.
       
3. Telematics Gateway
   Telematics Control Units (TCU) collect and send vehicle telemetry data to backend applications for fleet operators and/or vehicle users.

lesswire has been part of Prettl Electronics since 2006, and we mutually support our companies in work-related processes. Prettl Electronics is responsible for the manufacturing of electronic products, while lesswire covers the development, industrialisation, certification and qualification of hardware solutions.

Several radio technologies play a dominant role in TCUs (the specific technologies employed can vary depending on the vehicle and its connectivity requirements).

1. Cellular (Mobile) Networks:
   Cellular networks, such as 3G and 4G LTE are widely used in vehicle telematics. Recently, 5G entered the stage.  These networks provide high-speed wireless data connectivity, enabling various telematics services, including remote diagnostics, infotainment, over-the-air updates, and vehicle tracking.
    
2. Global Navigation Satellite Systems (GNSS):
   GNSS, particularly GPS (Global Positioning System), is integral to vehicle telematics. It enables precise location tracking and navigation services, facilitating features like real-time vehicle tracking, stolen vehicle recovery, and fleet management.
    
3. Dedicated Short-Range Communications (DSRC):
   DSRC is a wireless communication technology specifically designed for vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communication. It allows vehicles to exchange information, such as speed, location, and traffic conditions, to enhance safety, enable cooperative driving, and support intelligent transportation systems (ITS).
    
4. Wi-Fi:
   Wi-Fi connectivity is increasingly integrated into vehicle TCUs. It enables local wireless communication within the vehicle and supports features like in-car hotspot functionality, wireless software updates, and connecting to external devices like smartphones or tablets.
    
5. Bluetooth:
   Bluetooth technology is commonly used for short-range wireless communication between the vehicle TCU and mobile devices like smartphones. It facilitates hands-free calling and audio streaming.

Trailer telematics control units (TCUs) are experiencing several technological trends that are shaping their hardware capabilities.

1. Increased Durability:
   Trailer TCUs are exposed to harsh environmental conditions, including extreme temperatures, moisture, vibrations, and dust. To ensure reliable operation, there is a focus on designing TCUs with increased durability and ruggedness, including robust enclosures and components that can withstand these challenging conditions.
    
2. Power Efficiency:
   Energy efficiency is crucial for trailer TCUs as they often rely on battery power. Optimized hardware designs, power management systems, and low-power components are being implemented to minimize power consumption and extend battery life.
    
3. Sensor Integration:
   Trailer TCUs are incorporating a wider range of sensors to gather relevant data. These sensors can include temperature sensors for monitoring cargo conditions, door sensors for detecting unauthorized access, and tyre pressure sensors as well as weight sensors for load monitoring. The integration of multiple sensors allows for comprehensive monitoring and real-time data collection.
    
4. Connectivity Options:
   Trailer TCUs are embracing various connectivity options to enable seamless communication with fleet management systems and other devices. These options may include cellular networks (3G, 4G, or 5G), satellite communication, Bluetooth, Wi-Fi, and even emerging technologies like low-power wide-area networks (LPWANs) for long-range, low-power connectivity.
    
5. Advanced Communication Protocols:
   Trailer TCUs are adopting advanced communication protocols to ensure reliable and secure data transmission. Protocols such as CAN (Controller Area Network) bus, Ethernet, and MQTT (Message Queuing Telemetry Transport) are being utilized to enable efficient and secure communication between the TCU and other connected devices.
    
6. Data Storage and Processing:
   With the increasing volume of data collected by trailer TCUs, there is a need for enhanced data storage and processing capabilities. This includes the integration of larger storage capacities, high-speed processors, and improved data management systems to handle the growing amount of telemetry data generated by the TCU.
    
7. Over-the-Air (OTA) Updates:
   OTA update capabilities are becoming more prevalent in trailer TCUs. This allows for remote firmware updates and software upgrades without physically accessing the TCU, improving convenience and reducing maintenance costs.
    
8. Security Enhancements:
   Given the critical nature of trailer telematics, security is a significant focus. Trailer TCUs are implementing advanced security features such as encryption, authentication protocols, and secure boot mechanisms to protect against unauthorized access and data breaches.

Advantages:

1. Global Coverage:
   Satellite communications provide global coverage, allowing commercial TCUs to maintain connectivity and communication across borders and remote regions where terrestrial networks may be limited or unavailable.
    
2. Reliable Connectivity:
   Satellite communication ensures reliable connectivity, even in areas with challenging terrains or limited terrestrial network coverage. This reliability is crucial for applications such as asset tracking and emergency services.
    
3. Resilience:
   Satellite connectivity acts as a backup or redundant option in situations where terrestrial networks fail or experience disruptions due to natural disasters, network outages, or other issues. This redundancy ensures continuous communication and data transfer for critical operations.

Disadvantages:

1. Higher Cost:
   Satellite communication services typically involve higher costs compared to terrestrial networks. The hardware, data plans, and ongoing service fees associated with satellite connectivity can be more expensive, making it less cost-effective for some commercial applications.
    
2. Latency:
   Satellite communication introduces additional latency due to the long distance that signals need to travel between the TCU and the satellite. This latency can affect real-time applications that require instant response or interaction, although it may not significantly impact many telematics functions.
    
3. Bandwidth Limitations:
   Satellite communication has limited bandwidth compared to terrestrial networks. This limitation can impact data transfer rates and the volume of data that can be transmitted simultaneously. Applications requiring large data transfers, such as video streaming or high-resolution image uploads, may be constrained by satellite bandwidth.
    
4. Antenna Requirements:
   Satellite-based TCUs require specialized antennas to communicate with satellites. These antennas need to be properly installed and aligned, adding complexity to the installation process and potentially increasing the cost and physical footprint of the TCUs.
    
5. Signal Interference:
   Satellite signals can be affected by various factors such as atmospheric conditions, obstructions, or electromagnetic interference. Buildings, trees, or other objects can block or weaken the signal, impacting the reliability of communication in certain environments.