Schlage proximity credentials utilizing low frequency (125 kHz) technology provide a legacy access solution for existing installs in traditional facilities and businesses. Proximity credentials ...

Popular 125 kHz protocols: EM-Marin ... up considerably less information on demand than a physical bank or credit card. With a physical contactless card it’s possible to read the full card ...

The 125 kHz frequency band is used for proximity identification where read distances are on the order of a few centimeters up to a meter. RFID systems consist of two main components: a tag and a ...

Just a signal generator making a 125 kHz square wave, coupled to a two transistor buffer pumping a tuned circuit. The tuned circuit is the coil scavenged from an old RFID card, and the capacitor ...