Portfolio AEW21.2-Pulse Input to M-Bus interface WTT16-M-Bus communication AEW310.2-Pulse Input to M-Bus interface 2WR5 meter – Heat / Cold meter with M-Bus communication WFM54- Heat/Cold meter M-Bus and W.M-Bus communication WTT561- M-Bus communication 1 … 13 14 15 16 17 … 35