Home LF R3 Readers 148 KHz LF R3 Readers 148 KHz LF R3 Simplex & Multiplex RFID Readers for R3 Systems Model 1840 simplex Reader, pcb only, 148 KHz Model 1840 simplex Reader, pcb only, 148 KHz$1,650.00 Model 1840 simplex Reader, pcb only, 148 KHz quantity Add to cart SKU: 1840-148 Category: 148 KHz LF R3 Simplex & Multiplex RFID Readers for R3 Systems Description Additional information Model 1840 simplex Reader, pcb only, 148 KHz Weight 1.25 lbs Part Number 710-0001-00