![Hager Alarm Kit for 4500 Series Exit Device 48 in. length Satin Stainless Steel - 4940-4500-48-US32D Hager Alarm Kit for 4500 Series Exit Device 48 in. length Satin Stainless Steel - 4940-4500-48-US32D](https://static.homebydecor.com/images/products/61/4940-4500.jpg)
Hager Alarm Kit for 4500 Series Exit Device 48 in. length Satin Stainless Steel - 4940-4500-48-US32D
![Hager 4501 MRT 0 36" US32D 1-3-4 ALK Non-Fire Rated 36" Length Alarm Kit Function Heavy Duty Electrified Mortise Exit Device - Satin Stainless Steel Hager 4501 MRT 0 36" US32D 1-3-4 ALK Non-Fire Rated 36" Length Alarm Kit Function Heavy Duty Electrified Mortise Exit Device - Satin Stainless Steel](https://s3.amazonaws.com/s3-absupply-net/images/hager/hager_4500-mrt_lg.jpg)
Hager 4501 MRT 0 36" US32D 1-3-4 ALK Non-Fire Rated 36" Length Alarm Kit Function Heavy Duty Electrified Mortise Exit Device - Satin Stainless Steel
![Radio interference challenges in a multiprotocol compact RF hardware platform for home and building automation applications - Oudji - 2018 - International Journal of Communication Systems - Wiley Online Library Radio interference challenges in a multiprotocol compact RF hardware platform for home and building automation applications - Oudji - 2018 - International Journal of Communication Systems - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/8a0110e1-a333-42ee-9703-f6419925821c/dac3535-fig-0003-m.jpg)