Glossary name of the term: EIRP descriptions of the term: Effective radiated power, including antenna gain EIRP (Equivalent Isotropically Radiated Power) is the effective radiated power, taking antenna gain into account. In the EU, the maximum EIRP for the 868-MHz band is 25 mW (14 dBm) in sub-band g1 and 500 mW (27 dBm) in sub-band g3. Type of term: acronym Language of the term (2 char ISO code): en Back