A project without internet is a project that cannot pull current drawings, submit daily logs, run cameras, take video calls with the owner or let crews clock in. Connectivity used to be a nice-to-have in the trailer. Now it is part of the critical path, and choosing the wrong option can cost more in lost productivity than the service itself.
Superintendents and project managers often ask whether to use cellular, satellite or both. The answer depends on the site, and the right design usually includes a backup. Here is how to think it through.
Start with what the site needs
Before comparing technologies, list the real requirements:
- How many people will be on the network, and from how many devices?
- What applications matter most? Drawings and project platforms, video conferencing, security cameras, equipment telematics, time clocks?
- How long will the project last?
- Is the location urban, rural or remote?
- Does the work have downtime consequences, such as a site where an outage stops crews?
Option 1: Cellular (LTE and 5G)
Cellular routers with business-grade plans are the workhorse for many jobsites.
Strengths: quick to deploy, mobile, often adequate speeds where coverage is good, and easy to move between projects.
Limits: performance depends on local tower coverage and congestion. Speeds can drop in busy areas or at the edge of coverage. Data plans may include caps or throttling, so read the terms closely.
Practical tips: use an external antenna mounted high on the trailer for a noticeable improvement. Check coverage with more than one carrier before choosing, because strength varies by location. A router that can hold two carrier connections gives you resilience.
Option 2: Satellite, including low-earth-orbit service
Low-earth-orbit satellite services such as Starlink have changed what is possible at remote sites, including oilfield locations, pipeline right-of-way and rural construction.
Strengths: coverage where cellular is weak or absent, and generally much better speed and latency than older satellite options.
Limits: needs a clear view of the sky, so trees, cranes and structures can interfere. Heavy weather can affect performance, and obstructions may cause short interruptions. Equipment must be mounted securely and protected from theft and damage.
Practical tips: use a survey of the sky view before placing the dish. Mount away from crane swing paths. Review the service plan options for business use, and confirm what is included for mobile or temporary locations.
Option 3: Wired or fixed wireless
Where cable, fiber or fixed wireless is available, it often offers the most stable and cost-effective service for longer projects. The delay is typically installation time, which may be days or weeks and sometimes requires fees or easements. For long-duration projects it is often worth requesting early.
The best answer is often two
For sites where downtime hurts, combine two different technologies, such as cellular and satellite, in a router that can fail over automatically or share traffic. The combination protects you against a single carrier outage, local congestion or a blocked dish.
Think about security, not only speed
An internet connection is also a door into your trailer network. Keep these basics in place:
- Change default router credentials and keep firmware updated.
- Use a business-class firewall or a router with built-in firewall features.
- Separate guest or subcontractor traffic from company devices.
- Turn off remote management from the internet unless you need it, and protect it with strong authentication if you do.
- Encrypt Wi-Fi with a strong passphrase and change it when crew membership changes.
- Use a VPN or secure cloud access for company systems.
Plan for power and protection
Many connectivity failures at jobsites are actually power failures. Use a small uninterruptible power supply for the router and modem, and secure equipment in a lockable cabinet or inside the trailer. Label the gear and record serial numbers in case of theft.
Budget the total cost
Include hardware, antennas, installation, monthly service, data overages, spare equipment and the time to move and re-deploy. Compare cost per project with the productivity value of a reliable connection. Standardizing on a few kits can lower both cost and support effort.
A simple decision guide
- Urban site, moderate duration: cellular with a good antenna, possibly with a second carrier
- Remote site with clear sky: satellite, with cellular as backup if any signal exists
- Long-term project: wired or fixed wireless as primary, with cellular as backup
- Critical operations or monitoring: two independent paths, with alerting if one fails
How Ironfield Cyber helps
Ironfield Cyber designs and supports jobsite connectivity for contractors and energy service companies, including standard trailer kits, failover routers and security settings. If your next project is in a hard-to-reach location, we can help you plan the connection before the trailer arrives.