Elatec TWN4 MULTITECH 3 LEGIC M LF HF User manual

TWN4 MULTITECH 3 LEGIC M
LF HF
USER MANUAL

TABLE OF CONTENTS
1INTRODUCTION.................................................................................................................................................................. 3
1.1 ABOUT THIS MANUAL ..................................................................................................................................................3
1.2 SCOPE OF DELIVERY...................................................................................................................................................3
1.3 ELATEC SUPPORT........................................................................................................................................................3
2INTENDED USE .................................................................................................................................................................. 4
3SAFETY INFORMATION ..................................................................................................................................................... 5
4TECHNICAL DATA .............................................................................................................................................................. 7
4.1 TECHNICAL SPECIFICATIONS.....................................................................................................................................7
4.2 FIRMWARE ....................................................................................................................................................................7
4.3 ANTENNAS ....................................................................................................................................................................7
5MODE OF OPERATION ...................................................................................................................................................... 8
5.1 OPERATING MODE .......................................................................................................................................................8
5.2 POWER UP ....................................................................................................................................................................8
5.3 ENUMERATION .............................................................................................................................................................8
5.4 INITIALIZATION..............................................................................................................................................................8
5.5 NORMAL OPERATION ..................................................................................................................................................8
5.6 DETECTION OF A TRANSPONDER .............................................................................................................................8
5.7 SUSPEND MODE...........................................................................................................................................................9
6COMPLIANCE STATEMENTS .......................................................................................................................................... 10
6.1 EU .................................................................................................................................................................................10
6.2 FCC...............................................................................................................................................................................10
6.3 ISED CANADA..............................................................................................................................................................10
6.4 RF EXPOSURE COMPLIANCE ...................................................................................................................................11
6.5 CHINA (PRC) / 中华人民共和国 ..............................................................................................................................11
6.6 UNITED KINGDOM ......................................................................................................................................................12
APPENDIX ..................................................................................................................................................................................... 13
A – RELEVANT DOCUMENTATION ........................................................................................................................................13
B – TERMS AND ABBREVIATIONS.........................................................................................................................................13
C – REVISION HISTORY..........................................................................................................................................................13

© 2023 ELATEC GmbH – TWN4 MultiTech 3 LEGIC M LF HF user manual – DocRev03 – EN – 07/2023 Page 3of 14
1INTRODUCTION
1.1 ABOUT THIS MANUAL
This user manual is intended for the user and enables a safe and appropriate handling of the product. It gives a general overview, as
well as important technical data and safety information about the product. Before using the product, the user should read and
understand the content of this user manual.
For the sake of better understanding and readability, this user manual might contain exemplary pictures, drawings and other
illustrations. Depending on your product configuration, these pictures might differ from the actual design of your product.
The original version of this user manual has been written in English. Wherever the user manual is available in another language, it is
considered as a translation of the original document for information purposes only. In case of discrepancy, the original version in
English will prevail.
1.2 SCOPE OF DELIVERY
Depending on your product configuration, the product can be delivered alone or with different components and accessories, such as
cables or wall holders, as part of a kit. For more information about the delivered components and accessories, refer to your delivery
note, consult the ELATEC website or contact ELATEC.
1.3 ELATEC SUPPORT
In case of any technical questions or product malfunction, refer to the ELATEC website (www.elatec.com) or contact ELATEC technical
support at
[e-mail]
In case of questions regarding your product order, contact your Sales representative or ELATEC customer service at
info-[email protected]

© 2023 ELATEC GmbH – TWN4 MultiTech 3 LEGIC M LF HF user manual – DocRev03 – EN – 07/2023 Page 4of 14
2INTENDED USE
The powerful reader modules of the ELATEC TWN4 MultiTech 3 family combine a compact form factor with optimized read/write
performance. All devices integrate RFID (125 kHz and 13.56 MHz), NFC and, optionally, Bluetooth Low Energy (BLE) capabilities.
Thanks to their reduced size, the modules can be easily integrated in almost all applications where small size and full performance
matter. Furthermore, they are compatible with the most common host interfaces, such as USB, and they can also be configured with
different connector options.
TWN4 MultiTech 3 LEGIC M LF HF key features include a powerful SDK for writing apps that are executed directly on the module, the
possibility to upgrade the firmware in the field and a direct chip-commands support. Additionally, the module can simultaneously read
more than 60 RFID technologies from low (LF) and high frequency (HF) bands, including NFC. This gives the option to select as many
of the technologies required instead of being forced to select just a few ones.
The product is intended to be integrated into a host device.
Any use other than the intended use described in this section, as well as any failure to comply with the safety information
given in this document, is considered improper use. ELATEC excludes any liability in case of improper use or faulty product
installation.

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3SAFETY INFORMATION
Transport and storage
•Observe carefully the transport and storage conditions described on the product packaging or other relevant product documents
(e.g. data sheet).
Unpacking and installation
•Before unpacking and installing the product, this user manual and all relevant installation instructions must be read and understood
carefully.
•The product might show sharp edges or corners and requires a particular attention during the unpacking and installation.
Unpack the product carefully and do not touch any sharp edges or corners, or any sensitive components on the product.
If necessary, wear safety gloves.
•In case the product is equipped with a cable, do not twist or pull the cable.
•The product is an electronic product whose installation requires specific skills and expertise.
The installation of the product should be done by a trained and qualified personnel only.
Handling
•Depending on your product configuration, the product might be equipped with one or more light-emitting diodes (LED).
Avoid direct eye contact with the blinking or steady light of the light-emitting diodes.
•The product has been designed for a use under specific conditions, e.g. in a specific temperature range (refer to the product data
sheet).
Any use of the product under different conditions might damage the product or alter its reading performance.
•The use of other RFID readers or reader modules in direct vicinity to the product, or in combination with the product might damage
the product or alter its reading performance. In case of doubts, contact ELATEC for more information.
•The user is liable for the use of spare parts or accessories other than the ones sold or recommended by ELATEC.
ELATEC excludes any liability for damages or injuries resulting from the use of spare parts or accessories other than the ones sold
or recommended by ELATEC.
•In case the product is equipped with a cable, the cable may not be replaced or extended.
ELATEC excludes any liability for damages or injuries resulting from the use of the product with a cable extension or a replaced
cable.
•Like most electronic devices, RFID systems generate electromagnetic waves that can vary in amplitude and frequency. It is
generally known and accepted that some RFID devices might potentially interfere with personal medical devices, like pacemakers
or hearing aids.
TWN4 MultiTech 3 LEGIC M LF HF fulfills general radio and EMC requirements. However, users with a pacemaker or any
other medical device should use TWN4 MultiTech 3 LEGIC M LF HF carefully and refer to the information given by the
manufacturer of their medical devices before using TWN4 MultiTech 3 LEGIC M LF HF or any host device containing
TWN4 MultiTech 3 LEGIC M LF HF.
Maintenance and cleaning
•Any repair or maintenance work should be done by a trained and qualified personnel only.
Do not try to repair or carry out any maintenance work on the product by yourself.
Do not allow any repair or maintenance work on the product by an unqualified or unauthorized third party.

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•The product does not need any special cleaning.
Do not use any detergents or other cleaning agents on the product.
Disposal
•The product must be disposed of in accordance with the EU directive on waste electrical and electronic equipment (WEEE) or any
applicable local regulations.
Product modifications
•The product has been designed, manufactured and certified as defined by ELATEC.
Any product modification without prior written approval from ELATEC is prohibited and considered improper use of the
product. Unauthorized product modifications may also result in the loss of product certifications.
If you are unsure about any part of the safety information above, contact ELATEC support.
Any failure to comply with the safety information given in this document is considered improper use. ELATEC excludes any
liability in case of improper use or faulty product installation.

© 2023 ELATEC GmbH – TWN4 MultiTech 3 LEGIC M LF HF user manual – DocRev03 – EN – 07/2023 Page 7of 14
4TECHNICAL DATA
4.1 TECHNICAL SPECIFICATIONS
FREQUENCY
125 kHz (LF) / 13.56 MHz (HF)
ANTENNA(S)
Integrated
DIMENSIONS (L X W X H)
Approx. 50 x 35 x 7 mm, maximum diameter < 55 mm
Approx. 1.97 x 1.38 x 0.28 inch, maximum diameter < 2.17 inch
POWER
Micro USB: 4.3 V - 5.5 V
Generic interface (X2): 3.3 V ± 5%
RS-232: requires 5 V external power supply
PS2 classified power source according to IEC 62368-1, short-circuit current < 8 A
CURRENT CONSUMPTION
RF field on: 200 mA typically / Sleep: 500 µa typ.
TEMPERATURE RANGE
Operating: -25 °C up to +80 °C (-13 °F up to +176 °F)
Storage: -40 °C up to +85 °C (-40 °F up to +185 °F)
RELATIVE HUMIDITY
5% to 95% non-condensing
READ/WRITE DISTANCE
LF and HF: Up to 100 mm / 4 inch, depending on environment and transponder
WEIGHT
Approx. 10 g / 0.35 oz
4.2 FIRMWARE
The product is delivered ex-works with a specific firmware version. Refer to the label attached to the product to find the firmware
version installed ex-works.
4.3 ANTENNAS
The reader module is equipped with the following antennas:
HF antenna (13.56 MHz)
Dimensions: 48 x 33 mm / 1.89 x 1.30 inch
Number of turns: 3
LF antenna (125 kHz)
Dimensions: 49 x 34 mm / 1.93 x 1.34 inch
Number of turns: 123
For more information, refer to the related product data sheet or other technical documents.

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5MODE OF OPERATION
The mode of operation described in the following chapter is based on a standard ELATEC RFID reader module equipped with two
LEDs. Depending on your product (number of LEDs, installed firmware, etc.) and in case the product settings have been modified with
the AppBlaster tool, the information below might differ from your product configuration when in operation. In particular, the color and
sequence of the LEDs on your product might be different.
5.1 OPERATING MODE
In order to start operating TWN4 MultiTech 3 LEGIC M LF HF, it simply has to be connected directly to a host device.
5.2 POWER UP
Once TWN4 MultiTech 3 LEGIC M LF HF is connected to the host device, it detects the type of communications cable (e.g. USB or
RS-232), with which it is connected to the host.
In case of RS-232:
•A version string is sent via RS-232 to the host device.
•A 5 V external power supply is required and must meet the following conditions:
oPS2 classified power source according to IEC 62368-1
oShort-circuit current < 8 A
5.3 ENUMERATION
This is only applicable for the USB version: Once the device has been powered up, it is waiting for completion of the enumeration by
the USB host. As long as the device is not enumerated, it is entering a minimum power consumption mode, where both LEDs are
turned off.
5.4 INITIALIZATION
After powering up and enumeration (in USB mode), the device is turning on the built-in transponder reader logic. The green LED is
turned on permanently. Some RFID reader modules need some kind of initialization, which is performed in this step. After successful
initialization, the device sounds a short sequence, which consists of a lower tone followed by a higher tone.
5.5 NORMAL OPERATION
As soon as the reader module has completed the initialization, it is entering normal operation. During normal operation, the reader
module is searching for a transponder continuously.
5.6 DETECTION OF A TRANSPONDER
If a transponder is detected by the reader module, following actions are performed:
•Send the ID to the host. By default, the USB device sends by emulating keystrokes of a keyboard. An RS-232 device sends the
ASCII code of an ID.
•Sound a beep.
•Turn off the green LED.
•Blink the red LED for two seconds.
•Turn on the green LED.
Within the two seconds timeout, where the red LED is blinking, the transponder, which just has been recognized will not be accepted
again. This prevents the reader module from sending identical IDs more than one time to the host.

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If during the two seconds timeout of the red LED a different transponder is detected, the complete sequence restarts immediately.
5.7 SUSPEND MODE
The USB version of the reader module supports the USB suspend mode. If the USB host is signaling suspend via the USB bus, the
reader module is turning off most of its power consuming peripherals. During this operation mode, no detection of transponders is
possible and all LEDs are turned off. Once the host is resuming to normal operation mode, this is also signaled via the USB bus.
Therefore, the reader module will resume to normal operation too.

© 2023 ELATEC GmbH – TWN4 MultiTech 3 LEGIC M LF HF user manual – DocRev03 – EN – 07/2023 Page 10 of 14
6COMPLIANCE STATEMENTS
6.1 EU
Hereby, ELATEC GmbH declares that TWN4 MultiTech 3 LEGIC M LF HF is in compliance with Directive 2014/53/EU. The full text
of the EU declaration of conformity is available at the following internet address: elatec.com/approvals
6.2 FCC
FCC ID: WP5TWN4F14
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause undesired operation. (except receivers
associated with operation of a licensed radio service and stand-alone devices).
Caution
The Federal Communications Commission (FCC) warns the users that changes or modifications to the unit not expressly approved by
the party responsible for compliance could void the user's authority to operate the equipment.
FCC §15.105 (b)
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC
Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
•Consult the dealer or an experienced radio/TV technician for help.
6.3 ISED CANADA
IC: 7948A-TWN4F14
This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development
Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions:
1. This device may not cause interference.
2. This device must accept any interference, including interference that may cause undesired operation of the device.
L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’Innovation, Sciences et
Développement économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux
conditions suivantes:
1. L’appareil ne doit pas produire de brouillage;
2. L’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le
fonctionnement.

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6.4 RF EXPOSURE COMPLIANCE
RF exposure statement (mobile and fixed devices)
This device complies with the RF exposure requirements for mobile and fixed devices. However, the device shall be used in such a
manner that the potential for human contact during normal operation is minimized.
6.5 CHINA (PRC) / 中华人民共和国
Micropower scope of use declaration:
TWN4 MultiTech 3 LEGIC M LF HF supports transmission
frequencies of 13.56 MHz and 125 kHz. The user needs to
adhere to the following specifications when using the product:
(1) The specific provisions listed in the “catalog and the technical
specifications for micropower short-range radio transmission
equipment” as well as the usage scenarios for the antenna type
used, the functions, and the customary use of the control
system, regulation, and switches must be complied with;
Transmission power:
13.56 MHz: ≤ -10.41 dBμA/m
(field strength at 10 meters, standard max value)
125 kHz: ≤ -13.48dBμA/m
(field strength at 10 meters, standard max value)
Antenna: built-in antenna (cannot be removed)
Control system, regulation, and switches: The user cannot
control, regulate, or switch over the radio transmission function
of the antenna.
(2) The unauthorized modification of usage scenarios or the
conditions of use, expansion of the transmission frequency
range, or increase of the transmission power (including installing
additional transmission power amplifiers), as well as the
unauthorized modification of the transmission antenna are not
allowed;
(3) The product may not interfere in any way with any legal radio
transmitters (stations) and may not offer any shielding from
harmful interference;
(4) The product must be able to tolerate interference caused by
industrial, scientific, and medical (ISM) devices which radiate
high frequency energy or other legal interference from radio
transmitters (stations);
(5) Should the product cause harmful interference on other legal
radio transmitters (stations), product use must be discontinued
微功率使用规范声明：
TWN4 MultiTech 3 LEGIC M LF HF 支持 13.56MHz和
125kHz 发射频率，用户在使用过程中，需要遵守以下要
求：
（一） 符合“微功率短距离无线电发射设备目录和技术
要求”的具体条款和使用场景，采用的天线类型
和性能，控制、调整及开关等使用方法；
发射功率：
13.56MHz：≤-10.41dBμA/m
(10 米处场强， 准峰值)
125kHz：≤-13.48dBμA/m
(10 米处场强， 准峰值)
天线：内置天线（不可拆卸）
控制、调整及开关：用户不能控制、调制及开关
此无线电发射功能
（二）不得擅自改变使用场景或使用条件、扩大发射频
率范围、加大发射功率（包括额外加装射频功率放大器
），不得擅自更改发射天线；
（三）不得对其他合法的无线电台（站）产生有害干扰
，也不得提出免受有害干扰保护；
（四）应当承受辐射射频能量的工业、科学及医疗（ISM
）应用设备的干扰或其他合法的无线电台（站）干扰；
（五）如对其他合法的无线电台（站）产生有害干扰时
，应立即停止使用，并采取措施消除干扰后方可继续使
用；
（六）在航空器内和依据法律法规、国家有关规定、标
准划设的射电天文台、气象雷达站、卫星地球站（含测
控、测距、接收、导航站）等军民用无线电台（站）、

© 2023 ELATEC GmbH – TWN4 MultiTech 3 LEGIC M LF HF user manual – DocRev03 – EN – 07/2023 Page 12 of 14
immediately and suitable measures must be taken prior to using
the product again in order to eliminate said interference;
(6) When using micropower devices inside of an aircraft or
radiometric observatories, or when using such devices in
meteorological radar stations, satellite ground stations (including
measuring and control stations, distance measuring stations,
receiving stations, or navigation stations), as well as in radio
transmitters (stations) used by the military and electromagnetic
environment protections zones at airports, all applicable
provisions of the competent authorities as well as statutory
provisions, national regulations, and national standards must be
complied with;
(7) Remote controls of any kind may not be used within 5000
meters of airport runways, measured from the middle of the
runway;
(8) Ambient conditions such as temperature and voltage when
using micropower devices:
operating voltage of TWN4 MultiTech 3 LEGIC M LF HF: 4.3 V –
5.5 V (charging via micro USB),
operating temperature: -25 °C – 80 °C,
storage temperature: -40 °C – 85 °C.
The user must strictly adhere to these temperature and voltage
specifications when using the product.
机场等的电磁环境保护区域内使用微功率设备，应当遵
守电磁环境保护及相关行业主管部门的规定；
（七）禁止在以机场跑道中心点为圆心、半径 5000 米的
区域内使用各类模型遥控器；
（八）微功率设备使用时温度和电压的环境条件。
TWN4 MultiTech 3 LEGIC M LF HF 的工作电压 4.3V-5.5V（
微型 USB 供电），
工作温度-25℃~80℃，
储存温度-40℃~85℃。
用户需严格按照此温度和电压要求使用。
6.6 UNITED KINGDOM
TWN4 MultiTech 3 LEGIC M LF HF complies with the requirements of the UK legislations and other regulations as listed in the
respective UK declaration of conformity. The importer is responsible for applying the following information to the packaging of the
product:
•the importer company’s details, including the company’s name and a contact address in the United
Kingdom.
•UKCA marking

© 2023 ELATEC GmbH – TWN4 MultiTech 3 LEGIC M LF HF user manual – DocRev03 – EN – 07/2023 Page 13 of 14
APPENDIX
A – RELEVANT DOCUMENTATION
ELATEC documentation
•ELATEC quick start guide
•TWN4 MultiTech 3 LEGIC M LF HF data sheet
•TWN4 MultiTech 3 LEGIC M LF HF integration manual
•TWN4 MultiTech 3 technical handbook
B – TERMS AND ABBREVIATIONS
TERM
EXPLANATION
FCC
Federal Communications Commission
HF
high frequency
ISED
Innovation, Science and Economic Development Canada
LED
light-emitting diode
LF
low frequency
NFC
near field communication
RFID
radio frequency identification
SDK
software development kit
UKCA
UK conformity assessed
WEEE
Waste of electrical and electronic equipment.
Refers to Directive 2012/19/EU of the European Parliament and of the Council of the European Union
C – REVISION HISTORY
VERSION
CHANGE DESCRIPTION
EDITION
03
Editorial changes, chapters “Intended Use”, “Safety Information”, “Technical Data”, “Mode of
Operation” and “Compliance Statements” updated 07/2023
02
Chapters “Introduction”, “Intended Use”, “Safety Information”, “Mode of Operation” and
“Compliance Statements” updated 02/2022
01
First edition
10/2021

Elatec reserves the right to change any information or data in this document without prior notice. Elatec declines all responsibility for the use of this product with any other specification but the one mentioned above. Any
additional requirement for a specific customer application has to be validated by the customer himself at his own responsibility. Where application information is given, it is only advisory and does not form part of the
specification. Disclaimer: All names used in this document are registered trademarks of their respective owners.
© 2023 ELATEC GmbH – TWN4 MultiTech 3 LEGIC M LF HF user manual – DocRev03 – EN – 07/2023
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