Omron 10 Series Instruction Manual page 48

10. Specifications
About a wireless communication interference
This product operates in an unlicensed ISM band at 2.4 GHz. In the
event this product is used near other wireless devices such as
microwave and wireless LAN, which operate on the same frequency
band as this product, there is a possibility that interference may
occur.
If interference occurs, stop the operation of the other devices or
relocate this product away from other wireless devices before
attempting to use it.
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