This document specifies the child seat presence and orientation detection (CPOD) resonator as part of the CPOD system. It defines the electrical and environmental requirements to be met by the resonators as a condition for CPOD compatibility.nd edition 2018-05 Road vehicles — Child seat presence and orientation detection system (CPOD) — Part 2: Resonator specification Véhicules routiers — Système de détection de la présence d'un siège enfant et de son orientation (CPOD) — Partie？2:？Spécifications？relatives？aux？résonateurs Reference number ISO/TS 22239-2:2018(E) ？ ISO 2018 ISO/TS 22239-2:2018(E) COPYRIGHT PROTECTED DOCUMENT