This document is an integration manual of ELATEC RFID reader module TWN4 MultiTech 3 M LF HF, and it mainly aims at integrators and host manufacturers. The manual introduces how to integrate the module into the host device.
This manual provides instructions for integrating the ELATEC TWN4 MultiTech 3 M LF HF RFID/NFC reader module into host devices. It covers safety precautions, mechanical installation using M3 screws, electrical connections, and compliance with regional regulations including FCC, IC, EU, and Brazil. The module includes built-in LF (125 kHz) and HF (13.56 MHz) antennas, eliminating the need for external antennas. Integrators must ensure compliance with RF exposure requirements and host device specifications.
The manual also references related technical documents and includes compliance statements for various regions, including RF exposure separation distances and FCC Part 15 Subpart B requirements for the final host product.
| LF Antenna Dimensions | 49 x 34 mm / 1.93 x 1.34 inch |
|---|---|
| HF Antenna Dimensions | 48 x 33 mm / 1.89 x 1.30 inch |
| RF Exposure Separation Distance | 20 cm |
| FCC ID | WP5TWN4F4 |
| IC ID | 7948A-TWN4F4 |
It provides access to common host interfaces such as USB, serial (TTL), or I²C via an on-board connector.
No, the module includes built-in LF and HF antennas.
The module antenna(s) must be installed to meet the RF exposure compliance separation distance of 20 cm.
The FCC ID is WP5TWN4F4.