GNSS Anti-Jamming Products

Start with the integration requirement, not the largest number

Element count and channel count help engineers organise a first-pass comparison, but they do not prove that a product is suitable for a platform. A useful selection process begins with the receiver, the required constellations and frequency bands, the available mounting area, the RF and power interfaces, and the evidence the project team expects during evaluation.

ResiNav currently publishes anti-jamming terminals and independent anti-jamming and anti-spoofing product versions. The public catalogue records the parameters that can be compared without inference. Where a field is not published, treat it as an open engineering question rather than filling the gap from a similar model.

How to narrow the catalogue

1. Define the receiver and signal requirement

Record the receiver model or architecture, the constellations and bands required by the project, and whether the navigation chain expects an RF output, navigation data or another interface boundary. A product name that looks similar to an existing system is not enough to establish compatibility.

2. Separate anti-jamming from anti-spoofing scope

Anti-jamming and anti-spoofing address different failure modes. If anti-spoofing is part of the requirement, state what the project expects to detect, report or validate. Do not assume that every anti-jamming terminal includes the same anti-spoofing behaviour.

3. Check the physical installation

Provide the available mounting envelope, antenna view of the sky, nearby conductive structures, cable route, connector access and service-clearance limits. The published dimensions help eliminate obvious mismatches, but a dimension alone does not confirm that a mounting arrangement is acceptable.

4. Map power, RF and data interfaces

Identify the available supply, grounding approach, cable lengths, receiver input expectations and downstream data use. The antenna, terminal, receiver and platform controller form one system boundary. Treat each undocumented interface as an item for confirmation.

5. Define the evaluation evidence

Before requesting samples or a quotation, agree on the evidence needed by the project team. Typical inputs include the applicable datasheet revision, mechanical drawing, interface information, configuration record, bench-test plan and acceptance criteria. These items make a supplier response easier to compare and reduce late-stage assumptions.

Selection worksheet for an engineering enquiry

• Platform type and intended operating environment
• Receiver model or receiver architecture
• Required GNSS constellations and frequency bands
• Required product boundary: antenna, terminal, receiver interface or integrated navigation subsystem
• Available mounting area, clearance and cable route
• Power, grounding, connector and data-interface constraints
• Environmental and service-access requirements
• Prototype quantity, estimated production quantity and target schedule
• Documents or test evidence required by the project
• Open questions that must be answered before selection

Use the GNSS anti-jamming RFQ checklist when several teams need to collect these inputs before contacting a supplier.

Use application context to refine the review

The same published product may face different installation and interface questions on a vehicle, vessel, robot or custom OEM platform. Review the relevant application guide before treating a catalogue match as a project recommendation.

• Vehicle and autonomous-system integration
• Engineering and mining vehicles
• Commercial marine and survey vessels
• Industrial robotics and automation
• Custom OEM GNSS integration

Questions for product selection

Does a higher element count automatically mean a better fit?

No. Element count is one architecture input. The required signals, receiver, interfaces, installation envelope, platform environment and evaluation criteria still need to be considered together.

Can two products with the same element count be treated as interchangeable?

No. Products in the same element-count group can differ in channel architecture, supported signals, mechanical dimensions, interfaces and product scope. Compare the current verified record for each model.

What if a required specification is not shown in the public catalogue?

List it as an open item and request the applicable documentation. Do not infer an unpublished value from another model or from a third-party listing.

What should be included in a quotation request?

Include the platform, receiver, required signals, installation constraints, interfaces, environmental requirements, quantity, schedule and the evidence needed for technical acceptance. This gives engineering a defined boundary for the review.

Request a documented configuration review

Send the available receiver and platform information to ResiNav. The team can compare it with the published product configurations, identify unresolved interface or installation questions, and confirm what documentation is available for the next stage.

Request a quote and engineering review · Review the integration method