Technical Data - Elatec TWN4 MULTITECH NANO LEGIC 42 M User Manual

4 TECHNICAL DATA

Power supply
3.3 V ± 5% (direct supply) or 4.3 V - 5.5 V (use of on-board voltage regulator)
Current consumption
RF field on: 120 mA typically / Sleep: 500 μA typ.
Antennas
TWN4 MultiTech Nano LEGIC 42 M has been tested with an external printed circuit board equipped with the following antennas:
HF antenna on external PCB, printed, one-sided LF antenna on external PCB, glued and soldered
HF antenna (13.56 MHz)
Outer dimensions: 32 x 29.4 mm / 1.26 x 1.16 inch
Number of turns: 4
Inductance: 1.0 µH ± 20%
PCB trace width: 0.6 mm / 0.02 inch
LF antenna (125 kHz)
Outer diameter: max. 16.3 mm / 0.64 inch
Number of turns: 144
Inductance: 490 µH ± 5%
Wire diameter: 0.10 mm / 0.0039 inch
Lead free, coil fixed by using backed wire
Please note that the use of TWN4 MultiTech Nano LEGIC 42 M with other antennas than the ones described above is not part of the
approvals granted to the module. In case TWN4 MultiTech Nano LEGIC 42 M is used with other antennas, a separate approval,
additional testing or new authorization for a use with these specific antennas is required
For more information, refer to the related product data sheet or other technical documents.
© 2022 ELATEC GmbH – TWN4 MultiTech Nano LEGIC 42 M user manual DocRev4 – 04/2022 Page 6 of 12