The Genie 37350R network adaptor from Garage Door Supply Company is a required addition to Genie's GLR-BX Closed Confirm remote control transmitter. The GLR-BX is an innovative Genie garage door monitor that allows you, using the remote, to know if your garage door is open or closed by emitting an audible tone. Genie Closed Confirm GN-BXGN-BX 37350R Genie Network Adapter. The Genie GLR-BX and Genie 37350R network adaptor work only with Genie IntelliG and TriloG garage door openers. We also offer discount prices on the GLR-BX remote. Product Highlights: