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Elpas LF BUS Beacon

The LF BUS Beacon is a supervised 125KHz field emitter. The device is used for adding real-time location visibility detection to Elpas RTLS Security, Safety & Visibility Solutions or 3rd party management systems.

The LF BUS Beacon is easily attached to either solid or hollow walls and is designed to generate a continuous, user-adjustable, electromagnetic, spherical shaped field up to 1.5m/5ft in radius that can be used to cover a single interior doorway. Optionally, up to four LF BUS Beacons can be deployed in ‘Primary–Secondary’ star or daisy-chain topologies to cover large double-doors or architectural complex indoor entrance/exit areas.

Should an individual or asset bearing an Elpas Active RFID Tag enter the beacon’s electromagnetic field; the tag is prompted to transmit a message indicating its presence at this location. The messages are received by nearby Elpas RF IP/BUS Readers or by Elpas Local Controllers and can either be locally processed or relayed over wired or wireless Ethernet/Wi-Fi networks to a RTLS host application such as Eiris Enterprise Software for triggering location alerts or for identifying the tag’s precise location and status.

The LF BUS Beacon also contains an I/O port for the monitoring of one alarm sensor and control of a digital open collector output or a 26-bit Wiegand device.

LF Beacon

LF BUS Beacon


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                     Application and Uses

Mobile asset management

Personnel and visitor safety

Infant abduction protection

Wandering patient tracking

Hands-Free access control

Wireless nurse call

Senior living supervision & control

Duress alerting

Entrance/Exit based alarming


Product Features

Adjustable field up to 1.5m/5ft radius

Optional field expansion topologies

No EMI external interference

Remote configuration & monitoring

One analog input / One digital output

Optional 26-bit Wiegand output

RS-485 connectivity

Fully supervised/tamper protection

Transmission suppression via input

Unique location ID

CE, FCC, IC compliant



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