Near-Field Electromagnetic Leakage Probes
A family of Langer near-field probes for side-channel EM leakage measurement, built to pick up signal detail at the component level. Includes the RF3 mini set with a dedicated pre-amplifier, and the ICR probe with an integrated amplifier for high-sensitivity capture.
Product Overview

Both probe types resolve magnetic fields at under 1 mm, letting you isolate leakage from individual components rather than picking up surrounding noise.
The RF3 set ships with a dedicated 30 dB pre-amplifier (PA 303); the ICR probe has its amplifier integrated directly into the housing, powered by a bias tee, for clean signal capture without extra setup.
Electrically shielded against electric field coupling, so what you measure is the magnetic field you're after, not stray interference.
The ICR probe includes adjustment screws for manual alignment of the probe tip, letting you fine-tune positioning precisely over the target.
Better resolutions or different bandwidths available on request, for specialized measurement needs.
Technical Specifications
Built by experts, not vendors.
With over 10 years running physical attacks against real targets, our hands-on experience shapes every device we qualify for our catalog, the same hardware we put to work on our own attacks before it ever reaches you.
Frequently Asked Questions
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