What is an ELD?

  So, what is an ELD? This is one of the most common questions our team gets on a regular basis. ELD, electronic logging device, e-logs, electronic logs… these are all different terms for the same concept. ELD is the abbreviation for electronic logging devices. We have drivers call and talk to us often confused about what electronic logs are and confused about which one meets the FMCSA mandated rule requirements. In this blog, we’ve compiled a list of the most frequently asked questions regarding ELD…keep reading below to become more knowledgable on the technology to improve your drive.  

There are several different types of electronic logging device systems: BYOD, hard-wired, cellular, and Bluetooth to name the most widely- used. The most advanced systems are known to have “edge-computing” technology. This means that the data and “work” of the device is located within the actual hardware device. When the hardware device is doing all the work and storing all the data, drivers and carriers are less likely to experience a system-wide outage.

ELD FAQ – Electronic Logging Devices


What is makes an ELD an ELD?

An ELD consists of a hardware telematics unit, software to manage and display Records of Duty Status (RODS), and a display device. The entire system together is an ELD system as specified by FMCSA. The provider of the system must test and certify to the FMCSA that the entire system meets the ELD design specifications.

What does an ELD do?

ELD systems record the truck drivers’ position (GPS) and operating conditions for the vehicle (engine ignition, speed, odometer, engine hours) much in the same way that commercial aircraft have black boxes to record critical operating data. These events are recorded and then integrated with the CMV driver’s inputs to form a complete RODS which the driver must certify.

Any driving that is recorded by the hardware must be assigned to a driver, or it becomes Unidentified Driving Records which the carrier must manage and account for.

How much does an ELD cost?

ELD systems vary widely in costs and features. Eldratings.com provides an unbiased assessment of features and costs of various systems. Costs are best compared by looking at total costs (hardware, installation, and subscription fees) over a 3-year time frame. This makes comparing different systems manageable.

Do all CDL drivers need an ELD?

With very few exceptions, ELD is required for all professional CDL drivers.

Can you edit an ELD?

Driving recorded by ELD hardware cannot be edited once recorded, but it can be annotated. Non-driving status changes by a driver can be edited.

How do I implement ELD?

Great question, we’ve outlined 3 quick steps to ELD implementation in another blog. Check it out!


If you are still unsure about what an electronic logging device is or if the device you are using to track your HOS is an FMCSA certified, contact our team today at contact@konexial.com. With the FMCSA mandate in full effect, all CDL drivers that fall within the mandate regulations are required to use ELD to track their hours of service. If you are inspected and are not compliant, you will run the risk of being fine or even worse, put out of service.

Visit www.konexial.com for more information on ELD and industry-leading telematics software.