Keri Systems NXT-3R Mullion Mount NXT Proximity Reader for NXT Controllers, Access/Entry Version

Compact proximity reader measuring 3.75" H × 1.60" W × .625" D, designed for direct mounting on metal surfaces or walls without brackets or spacers. Reads 125kHz proximity credentials with up to 4" read range and supports 300m wiring distance. Single bus entry and exit configuration with supervised line monitoring. Ideal for access control and entry applications on NXT controller systems.