If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. GE IS420CCGAH2A Control Communication Gateway Module Product Overview The GE IS420CCGAH2A Control Communication Gateway Module is a communication interface board engineered for use within General Electric’s Mark VIe and Mark VIeS control systems . Designed as a protocol gateway and data *Your Name: *Your Email: *Your Name: *Vdcode: Submit