The EnOcean protocol is standardised as ISO/IEC 14543-3-10 (since 2012), which guarantees multi-vendor interoperability, and is maintained by the EnOcean Alliance (headquartered in Germany) with more than 400 members worldwide.
True
Standardisation matters because it underwrites the interoperability promise. ISO/IEC 14543-3-10 specifies the physical, MAC and network layers of the EnOcean radio. The EnOcean Alliance maintains the EEP catalogue and the GTIN-based product identification, and product certification against these specifications is mandatory before a device may carry the EnOcean logo. The Alliance counts roughly 400+ members, including Eltako, Thermokon, Peha, EnOcean GmbH (semiconductor side) and a long list of OEM integrators.
When you specify devices for a tender, require both the ISO/IEC 14543-3-10 reference and the certified EEP code; "EnOcean compatible" without those two strings is a vendor marketing claim, not a contractual guarantee.
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