eNet wireless receiver module DRA Features: The eNet wireless reception module is a radio receiver for max. 32 eNet wireless DIN-rail mounting modules. Operation with power supply. Integrated antenna. External antenna can be connected additionally in unfavourable installation conditions. Notes : Wireless approval is valid for EU and EFTA countries. Installation in a distribution box or sub-distribution with a metal housing requires an additional antenna. The additional antenna is to be placed outside the metal housing.