Manufactured by Grothe, the 43387 Wireless Door Opener Radio Module is an additional doorbell designed for convenient wireless doorbell integration. With the Mistral FTR technology, it offers a reliable and easy-to-install solution for enhancing home entry systems. Ideal for residential and light commercial use, this door opener improves accessibility and security.\n\n--\nOur eBay Store\n\nPlease note: This item has a longer lead time for dispatch then normal as it's a non-stocked item that is ordered in, please see the estimated delivery date by eBay. We will of course ship the item sooner if possible.\n\nGrothe 43387 Mistral Wireless Door Opener Controls Existing Door Opener\n\nProduct Details\n\nManufactured by Grothe, the 43387 Wireless Door Opener Radio Module is an additional doorbell designed for convenient wireless doorbell integration. With the Mistral FTR technology, it offers a reliable and easy-to-install solution for enhancing home entry systems. Ideal for residential an;