L-Shaped Trigger - 4 and 5-Port Under-Dash Antenna Family for Increased RF Performance in Automotive and IoT Applications

Trigger - 4 and 5-Port Under-Dash Antenna family

The Trigger under-dash telematics antenna family from Laird Connectivity is designed for discrete or covert mounting underneath vehicle dashboards. Offering cellular 3G/4G/5G/ISM/CBRS, Wi-Fi, and GNSS in a unique format, these L-shaped new devices from the company shows significant performance improvements and as much as a 20% increase in efficiency over candy bar style antennas already up in the market. Available in both four-port and five-port options, each antenna in the family comes with vertical and horizontal cellular radiating elements within the same antenna. 


The integration of orthogonally oriented elements in the Trigger under-dash telematics antenna family helps in improving both signals received power and quality due to superior de-correlation of the MIMO pair of cellular ports. Moreover, the reduced gain pattern nulls/ripple and more omnidirectional gain from the vertical dipole element make these devices all the more beneficial.


The antennas can be covertly mounted alongside or over bulky non-metallic objects such as vent ducts.  They can be mounted closer to vehicle routers and gateways that are usually sited under dashboards, under seats, or in the vehicle's trunk. This avoids complex antenna installations where roof or trunk lids might need to be drilled to install an external antenna.


When mounted closer to the gateway, these antennas require shorter cables which results in increased RF performance. The devices in the family can be used in both dense urban environments as well as remote locations where signals may be either impeded or weak as these devices offer optimized across-horizon performance and excellent around-the-vehicle coverage. 


The VP of Strategic Business Development, Laird Connectivity, Bill Steinike said: "The Trigger antenna family is a vast improvement for in-vehicle multi-band connectivity over existing technologies. Our team took on a significant challenge with this development to enable a new concept design to provide a market-leading solution."


Key Features of Trigger - 4 and 5-Port Under-Dash Antenna family

  • Full Coverage – Cellular, Wi-Fi, and GNSS in a single antenna
  • Performance – Exceptional performance across all bands
  • Versatile – Unique L-shape and adhesive backing allows for quick and secure mounting in awkward environments
  • Simple – No drilling of a vehicle exterior required and can be mounted closer to the vehicle’s router or gateway
  • Quality – Designed and built to exacting specifications
  • Peace of Mind – Backed by Laird Connectivity’s five-year warranty


The Trigger family of antennas is ideally suited to automotive, IoT, and other applications like transportation public safety fleet operator vehicle and asset tracking in-vehicle and to-vehicle communications. More information on the Trigger - 4 and 5-Port Under-Dash Antenna family can be found on the company website.


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