This manual introduces the operating method, safety information and technical data of the TWN4 MultiTech 3 M LF product.
This user manual provides instructions for safely operating the ELATEC TWN4 MultiTech 3 M LF RFID reader. It covers intended use, safety precautions, technical specifications, and operational modes including power-up, enumeration, initialization, and transponder detection. The device integrates with host systems via USB, serial, or I²C interfaces and is designed for applications requiring small size and strong read/write performance.
The manual also includes compliance statements for EU, FCC, and IC regulations, along with disposal and maintenance guidelines. Safety warnings address installation, handling, and interference with medical devices. Technical data specifies power requirements, antenna details, and operating conditions.
| Power Supply | 4.3 V - 5.5 V via micro USB; via connector CNB 3.3 V ± 5% |
|---|---|
| Current Consumption | RF field on: 90 mA typically / Sleep: 500 µA typ. |
| Antenna | LF antenna (125 kHz), 123 turns, 49 x 34 mm |
| Operating Temperature | -25 °C – 80 °C |
| Relative Humidity | 5% – 95% (non-condensing) |
It supports USB, serial (TTL), and I²C interfaces via onboard connectors.
It sends the ID to the host, sounds a beep, turns off the green LED, blinks the red LED for two seconds, then turns the green LED back on.
The FCC ID is WP5TWN4F8.