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RF & Medical Implants

IBIS trackers transmit on 2.4 GHz at low power, the same frequency band as Wi-Fi, Bluetooth, and your microwave oven. The radio output is in the same range as a typical Bluetooth headset — small.

For nearly all users, there is nothing to think about. The notes below are for users with active implanted medical devices (pacemakers, defibrillators, neurostimulators, insulin pumps, and similar).

Implanted medical devices

The general guidance from device manufacturers is to keep wireless transmitters at least 15 cm (6 inches) away from the implanted device.

Practically, for IBIS:

  • Chest tracker (sternum, via the chest harness) — this is the closest tracker to common pacemaker placements (upper-left chest). If you have a pacemaker or ICD in this area, consult your cardiologist before using a chest tracker. Lower-body tracking without a chest tracker is fine.
  • Other trackers (legs, arms) — meet the 15 cm rule by definition during normal wear.

What the trackers emit

  • Frequency: 2.4 GHz (proprietary protocol, not Wi-Fi or BLE)
  • Output power: low (consumer ISM-band, comparable to BLE peripherals)
  • Duty cycle: continuous broadcasts at packet rate while powered on

Continuous low-power radio operation has been studied extensively in the BLE / Wi-Fi / 802.15 context. No mechanism is known to cause harm at these power levels. If you’re skeptical of consumer radios in general, the chest tracker is the variable to drop.

Interference

Distinct from health concerns: 2.4 GHz devices in close proximity can interfere with each other. Things that share the band:

  • Wi-Fi (especially 2.4 GHz Wi-Fi)
  • Bluetooth headsets, mice, keyboards
  • Microwave ovens
  • Other VR tracking systems

This is a performance topic, not a safety topic. See Range & Placement if your tracking is dropping out.

Pregnancy

IBIS trackers emit RF comparable to a Bluetooth headset or a smartphone. We don’t have specific guidance to offer beyond “talk to your healthcare provider if you’d like to be cautious.” Many pregnant users continue using VR comfortably; consult your own provider.

If in doubt

Ask your medical professional. The relevant facts to share with them: 2.4 GHz proprietary radio, low-power ISM band, intermittent transmission, peripheral wearable. We’re happy to provide more specifics on the radio module if your provider asks — reach out via support.