Overview
The Inventory Master 125 KHz Reader Module with Various Interface is a 125 KHz read-only module for EM 4100 or TK 4100 125 KHz cards, which can read and output CSN card numbers. It has the option of Wiegand 26, RS 232, and TTL output formats.
Technical Specifications
| Frequency | 125 KHz |
| Working Voltage | 3.3 V to 5 V |
| Support Cards | EM 4200, TK 4100, T 5577, EM 4305, NFC, UL |
| Reading Range | 0 in to 3.14 in (0 cm to 8 cm) |
| Antenna | External |
| Protocol | ISO 14443-A or ISO 14443-B, ISO 15693 and ISO 18092 |
| Operating Temperature | 14 °F to 158 °F (-10 °C to 70 °C) |
| Dimension | 1.54 in x 0.75 in x 0.35 in (39 mm x 19 mm x 9 mm) |
| Weight | 10.58 oz (300 g) |
