Fixed IP SIM card for secure remote access

How a Fixed IP SIM works?
Most mobile networks put IoT devices behind carrier NAT, which blocks inbound traffic. Add Fixed IP to any Simbase SIM in the dashboard and we assign a static public IPv4 to that SIM. The device keeps the same address every time it connects, so you can reach it from anywhere for remote access and add it to firewall allow lists. It is a straightforward way to bypass NAT when you need reliable inbound connectivity.
Consistent Remote Access
Secure Connectivity
Access device services
Assign a static public IPv4 to each SIM so your device is reachable at the same address even after reboots or roaming. Skip carrier NAT and initiate inbound connections for admin, streaming, or diagnostics. Add the IP to firewall allow lists and set basic access rules from the Simbase dashboard.

IoT devices sit behind carrier NAT with private addresses. Outbound traffic to your cloud works, but inbound connections are blocked. You cannot reach the device directly with HTTP, SSH, RTSP, or Modbus TCP. IPs can change after reboots or roaming, so firewall allow lists break. Workarounds like VPN hubs, reverse tunnels, or relays add cost and latency.
Each SIM gets a static public IPv4 that stays the same across reboots and roaming. You can reach the device from anywhere at its IP and port for remote access and admin. Open only the ports you need and limit inbound traffic to trusted source IPs in the Simbase dashboard. Use TLS or SSH for encryption. This cleanly bypasses carrier NAT and enables reliable inbound connections.
Where Fixed IP SIMs
Make a Difference
Remotely access DVRs, NVRs, and IP cameras at a static public IPv4, even on temporary or off grid sites. Connect directly without relays and reach devices whenever you need.
See more details
Keep content fresh across remote screens without relying on venue Wi Fi. A fixed IP SIM gives each player a static public IPv4 so you can reach it directly for updates and support.
See more details
Reach routers and switches during outages or from off site. A Fixed IP SIM assigns a static public IPv4 so you can connect to management UIs and SSH even when the primary WAN is down.
See more details
Monitor and control field equipment at remote sites with a fixed IP SIM. Each device gets a static public IPv4 so you can connect to inverters, turbines, pumps, and gateways from anywhere.
See more details
Access PLCs, RTUs, HMIs, and gateways at a static public IPv4 for maintenance and diagnostics. Connect directly from SCADA and engineering tools without relays.
See more details
Frequently Asked Questions
If any of your questions remain unanswered, reach out to our team to answer them for you.
A Fixed IP SIM card assigns a static (unchanging) IP address to a device, making it easily reachable from anywhere on the internet or through a private network. This consistent addressing enables seamless remote access and monitoring, which is essential for IoT deployments such as surveillance cameras, industrial automation systems, and remote sensors.
A static IP address allows for persistent, two-way communication with your IoT device. This is especially valuable for remote management, real-time data streaming, and over-the-air updates. It also enhances security by enabling strict firewall rules and access controls, reducing the attack surface and improving network integrity.
Fixed IP SIMs offer several capabilities tailored to industrial and remote deployments:
Fixed IP SIMs are used across industries where reliable remote access, monitoring, and control are essential. This includes:
Fixed IP SIMs can be highly secure when configured correctly. They allow for the creation of precise firewall rules and secure VPN tunnels, reducing exposure to unauthorized access. When paired with private APNs and encryption protocols, they offer enterprise-grade security for sensitive IoT deployments.
Yes. Fixed IP SIMs from Simbase are built for global deployment, with multi-network connectivity across dozens of countries. This makes them ideal for distributed IoT systems operating across regions or continents.
With Simbase, enabling a Fixed IP is simple. You can assign a static IP to any SIM from the dashboard with just a click — no complex networking setup required. For more advanced configurations (like VPN integration or custom routing), Simbase provides developer-friendly documentation and support.
While Fixed IP SIMs offer strong benefits, there are a few considerations: