5G NTN NB-IoT eNodeB

Launch NTN NB-IoT services faster with a proven eNodeB that integrates with industry-leading modules, terminals, and devices.

A field-proven NB-IoT eNodeB for satellite operators and integrators building satellite-based services. Reduce time-to-deployment, simplify system integration, and establish a scalable foundation for global IoT connectivity.

eNodeB for Commercial 5G NTN NB-IoT Operation

3GPP Release 17 aligned
Transparent + Regenerative supported

The satellite communications industry is at a turning point. With the introduction of 3GPP Release 17, NB-IoT can now be deployed over Non-Terrestrial Networks (NTN), enabling truly global IoT coverage – even in the most remote and underserved regions.

  • Deploy at scale

    Deploy a commercial-grade NTN eNodeB tailored to your constellation, payload, and operational model.

    • LEO/MEO/GEO ready
    • Ground-based or in-orbit eNodeB deployment
    • Designed to fit system constraints
  • Integrate into live networks

    Integrate cleanly into existing core and OAM environments without disrupting operational workflows.

    • Reference adapters for faster onboarding
    • Core and OAM hooks for live operation
    • 3GPP-aligned interfaces
  • Verify readiness and operate reliably

    Demonstrate operational readiness before launch, then operate and optimize with confidence.

    • Pre-launch verification and acceptance criteria
    • Runtime tuning and configuration
    • Continuous optimization in live service

NB-IoT eNodeB Features

Built as a 3GPP NTN NB-IoT eNodeB with full stack layers, validated on commercial-of-the-shelf hardware for real deployments - enabling reliable, low-power IoT connectivity in challenging environments.

Bringing NTN IoT to Market

The NB-IoT eNodeB is built for real-world deployment. It supports satellite operators and integrators as they move from lab validation to full commercial operation across LEO, MEO, and GEO constellations.

Commercial Service Deployment

Rapidly launch and scale IoT services for any application, leveraging standards-compliant integration and proven reliability. Our solution is validated for operation across GEO, MEO, and LEO orbits, ensuring robust performance in real-world satellite environments. 

Network Integration and Optimization

Seamlessly integrate with existing networks and optimise performance for diverse operational scenarios. The software supports both transparent (ground-based) and regenerative (onboard satellite) architectures, and is compatible with a wide range of hardware platforms and core network interfaces. 

Pre-Launch System Demonstration

Validate your solution through lab testing, in-orbit trials, and hardware-in-the-loop simulations, ensuring readiness for real-world deployment. Our flexible architecture allows for comprehensive system demonstration and risk reduction before commercial rollout. 

Operational Control and Lifecycle Support

Maintain service quality and reliability with comprehensive monitoring, support, and lifecycle management. The eNodeB software stack includes advanced OAM interfaces for configuration, fault management, and performance reporting, supporting long-term operational excellence. 

An end-to-end solution 

Rather than just delivering software, Gatehouse Satcom partners with you throughout the deployment journey – providing the tools, integration, and support needed to ensure your service is a success.

Integrations & Configurations

OAM Configuration

Radio Hardware Integration

Core Integration

UE/Terminal Interoperability

NTN Native Software

5G NTN
NB-IoT
eNodeB

Layer 3

Layer 2

PHY

Customer Success Services

Training

Support & Upgrades

Documentation & Guidance

Flexible Architecture for Transparent and Regenerative NTN

Designed for real networks. The eNodeB fits transparent bent-pipe and regenerative payloads, connects to EPC or 5GC, and aligns with OAM and RF requirements across LEO, MEO, and GEO.

Craftable Cocktails Switch
Select a mode to view topology and interfaces.
  • UE/Device
    UE/Device
    • NB-IoT-capable devices (sensors, meters, trackers, etc.) located on the ground or in mobile environments.
    • Communicate wirelessly with the satellite using standard NB-IoT protocols.
    • Benefit from low-power operation, extended coverage, and full 3GPP Release 17 NB-IoT compatibility.
  • Satellite 
    Satellite in Mirror Function
    • The satellite (GEO, MEO, or LEO) acts as a transparent relay (“bent-pipe”).
    • Receives NB-IoT signals from UEs and relays them to the ground station without onboard processing.
    • Supports flexible operation across multiple orbits.
    Ground station
    Ground station eNodeB
    • Hosts the NB-IoT eNodeB software stack on commercial off-the-shelf hardware.
    • Manages all radio communications with UEs via the satellite link.
    • Handles integration with the core network (EPC) and operational management.
    • Provides OAM (NETCONF/O1, VES) interfaces for configuration, monitoring, and maintenance.
    NETWORK
    Core Network
    • Evolved Packet Core (EPC) or 5G Core (5GC) manages user authentication, session handling, and data routing.
    • Receives data from the eNodeB via the S1-AP interface (EPC) or NG interface (5GC, if supported).
    • Enables seamless connectivity to external networks and services.
  • UE/Device
    UE/Device
    • NB-IoT-capable devices (sensors, meters, trackers, etc.) located on the ground or in mobile environments.
    • Communicate wirelessly with the satellite using standard NB-IoT protocols.
    • Benefit from low-power operation, extended coverage, and full 3GPP Release 17 NB-IoT compatibility.
  • Satellite
    Satellite with NodeB
    • The satellite (GEO, MEO, or LEO) hosts the NB-IoT eNodeB software stack as an onboard payload.
    • Processes NB-IoT signals directly on the satellite, managing radio communications with UEs.
    • Connects to the core network via a high-speed feeder link, reducing reliance on ground infrastructure.
    • Supports advanced NTN architectures and multi-orbit operation.
    Gateway
    Gateway (Ground Station)
    • Provides feeder link connectivity between the satellite and the core network.
    • May offer additional operational management, monitoring, or backup functions.
    • Supports integration with customer-specific RF front-ends if required.
    Core Network
    Terrestrial Core Network
    • Evolved Packet Core (EPC) or 5G Core (5GC) manages user authentication, session handling, and data routing.
    • Receives data from the eNodeB (now onboard the satellite) via the S1-AP interface (EPC) or NG interface (5GC, if supported).
    • Enables seamless connectivity to external networks and services.
Download Detailed Regenerative Architecture Diagram (PDF)

Proven in Real-World Conditions

Gatehouse Satcom’s 5G NTN NB-IoT eNodeB Software is thoroughly tested and trusted by industry leaders. Validation covers demanding scenarios such as burst loss resilience, Doppler-effect handling, and challenging channel conditions to ensure robust performance.

Through collaborative campaigns with satellite operators, hardware partners, and leading institutions, the software has demonstrated interoperability and reliability across GEO, MEO, and LEO constellations. These real-world trials confirm standards-compliant connectivity and operational excellence for commercial NTN deployments.

Validating NTN NB-IoT operation across GEO, MEO and LEO environments has confirmed the robustness and standards compliance of our eNodeB implementation.

Jesper NoerChief Commercial Officer | Gatehouse Satcom

Technical Specifications

The 5G NTN NB-IoT eNodeB Software is developed for full 3GPP compliance and flexible deployment across satellite and ground infrastructures. It supports transparent and regenerative modes and can be tailored to your network architecture.

  • 3GPP Release 17 IoT-NTN (NB-IoT) compliant, ensuring interoperability with standardised Non-Terrestrial Networks.
  • Operating bands: Band 255 (L-band) and Band 256 (S-band); additional RF front-end options can be integrated per customer platform. For NR/Ka-band plans, see NR roadmap.
  • FDD operation.
  • CIoT EPS Optimisation (Control-plane: Data-over-NAS) for efficient low-bandwidth messaging.
  • NTN system information: SIB31 (satellite/ephemeris & timing); SIB32 (earth-moving/discontinuous coverage)—broadcast and handled per 3GPP.
  • Tracking-area signalling (TAC) per 3GPP for NTN operation.
  • HARQ behaviour configurable (e.g., constrained/disabled modes where allowed by Release 17 IoT-NTN maintenance).
  • Timing inputs (product requirement): PPS/GNSS and orbital inputs via OAM to meet NTN timing and frequency discipline in both transparent and regenerative deployments.
  • S1-AP (S1-C/S1-U) towards EPC, supporting standard Evolved Packet Core procedures.
  • OAM (NETCONF/O1, VES): configuration (cells, orbital data, core), fault/performance reporting, and lifecycle management.
  • Earth-moving cell support, extended timing advance and repetition controls for large service footprints across GEO, MEO, and LEO.
  • RACH adaptations for long round-trip times, ensuring robust access on GEO links.
  • Delivered as compiled software with modular options (full stack, L2-L3, PHY). Documentation, commissioning procedures and operator training included.
  • Continuous NTN operations support via GNSS handling and validity, self-assessment and fault/performance export (VES).
  • Configurable HARQ behaviour for operational fine-tuning in permitted modes.
  • Standards tracking and upgrades (L3 procedures supported) to accommodate future protocol enhancements.
  • Delivered as compiled software with modular configuration options. Offers optional source-level integration under a separate license. Includes comprehensive documentation, commissioning procedures, and operator training.
  • The software is designed to support continuous NTN operations through features such as GNSS handling and validity reporting, allowing system self-assessment and error mitigation.

  • NTN extensions, SIB’s and Flags, and System information supported ensure that broadcast configurations can be updated and maintained as network requirements evolve.

  • Proprietary HARQ disabling allows fine-tuning performance behaviors based on operating modes or maintenance needs.

  • L3 procedures supported provides longevity and upgradability for future protocol enhancements.

Download technical overview

FAQ

Frequently asked question on the subject of 5G NTN NB-IoT eNodeB.

Gatehouse Satcom supports the full operational lifecycle of the eNodeB, including configuration support, upgrades, maintenance, and long-term roadmap alignment with evolving 3GPP NTN specifications. This ensures that deployed systems can be maintained, evolved, and scaled as NTN services mature.

The eNodeB has been validated under realistic NTN conditions, including long RTTs, varying link characteristics, and dynamic coverage scenarios. Its design supports stable operation across satellite orbits and challenging radio environments, enabling predictable service behaviour in live NTN deployments.

Yes. The eNodeB architecture supports deployment in both transparent and regenerative NTN configurations. This flexibility allows operators to align the solution with satellite payload design choices while maintaining consistent operational behaviour and standards compliance across different network topologies.

The eNodeB integrates with standard-compliant EPC and 5G core environments using 3GPP-aligned interfaces. It is designed to fit into existing operational architectures, supporting integration with core network functions, monitoring systems, and operational workflows without requiring proprietary adaptations.

Yes. The 5G NTN NB-IoT eNodeB is designed and delivered as an operational network element for commercial service deployment. It is built to support continuous operation, integration with operational core networks and OAM systems, and long-term lifecycle management across GEO, MEO, and LEO environments.

View all FAQs

Ready to accelerate your NTN deployment?

Raphaela Teixeira
Sales Executive

If you are preparing for live NB-IoT service over satellite, our team can help you reduce integration time and move confidently toward operational readiness.

Please reach out to me or fill out this form to start a conversation.

Request at meeting at 5G NTN NB-IoT eNodeB

 

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