Itron 100W+ Water Flow Meter ERT Communication Module ERW-1300-403 Made in USA The 100W+ communication module represents the fourth evolution in Itron's line of 100 series water communication modules. This latest release includes a new message called SCM+, which includesh more consumption data than previous generation messages. Additionally, the 100W+ offers industry leading capabilities in security, fixed network performance and improved meter consumption resolution to 9 dials (1/100th gallon). 100W+ Encoder with integral connectors for register and optional telemetry device and antenna connector. 79672273