| Loại | Manufacturer |
|---|---|
| Trang web | https://www.emrcorp.com/ |
| Địa chỉ | 17431 N. 25th Avenue, Phoenix AZ 85023 |
 |
EMR Corporation was founded in 1980 by William Lieske, Sr. as an OEM supplier of ferrite and hybrid devices to the land mobile communications and broadcast industries. Until his passing in 2007, Bill was involved in radio communications for more than 70 years. Beginning with a radio amateur license at the age of 13, he went on to work in military radar, public safety, radio communication manufacturing and commercial corporate sales.