The ULE Specification documentation is available on the web server of ETSI
(European Telecommunications Standards Institute).
Please download at www.etsi.org.

DECT/ULE Physical Layer (PHL): re-uses the existing DECT specification EN 300 175-2
Medium Access Control Layer (MAC): extends the existing DECT standard EN 300 175-3
Data Link Control Layer (DLC): extends the existing DECT standard EN 300 175-4
Network Control Layer (NWK): extends the existing DECT standard EN 300 175-5

Security features: extends the existing DECT standard EN 300 175-7

The Interworking Unit (IWU) and the Application Layer Protocol negotiation are covered
by the ULE Technical Spec TS 102 939-1.