Turn on the device. Keep a suitable EM4100 card or fob to your aspect experiencing the hand grip and click on the ‘Examine’ button. HID readers are susceptible to attacks and might be compromised in under 60 seconds. However, the keycards and fobs these readers use are even less secure. https://zeedirectory.com/listings13227547/copyright-machine-things-to-know-before-you-buy