Short Description

The TX645 is a compact 13.56 MHz internal NFC antenna designed for embedded electronic devices. Featuring a 20 × 29 mm antenna body, adhesive mounting, a 100 mm cable and customizable connector options, it provides a flexible solution for NFC-enabled terminals, smart devices, access control equipment and IoT hardware.

Product Content

Product Overview

The TX645 is a compact internal antenna designed for 13.56 MHz NFC applications. Its 20 × 29 mm form factor makes it suitable for integration into space-constrained electronic equipment.

The antenna uses an adhesive-backed mounting design for convenient internal installation and is supplied with a 100 mm cable as the standard configuration. IPEX and stripped-wire connection options are available, while cable length and connector configurations can be customized according to device integration requirements.

With a 50 Ω input impedance and specified VSWR of ≤2, the TX645 is intended for OEM/ODM integration into NFC-enabled electronic products.

Key Features

• 13.56 MHz NFC Operation — Designed for embedded NFC applications.
• Compact 20 × 29 mm Size — Suitable for space-constrained electronic devices.
• 50 Ω Input Impedance — Designed for common RF integration requirements.
• VSWR ≤2 — Specified electrical performance for the supplied antenna configuration.
• Adhesive Mounting — Adhesive-backed design supports convenient internal installation.
• 100 mm Standard Cable — Cable length can be customized according to project requirements.
• Flexible Connector Options — IPEX, stripped wire and customized connector configurations are available.
• OEM/ODM Support — Suitable for integration into customized electronic equipment.

Applications

The TX645 can be integrated into a variety of 13.56 MHz NFC-enabled products, including:

• NFC-enabled electronic devices
• Smart access control terminals
• POS and payment terminals
• Identification and authentication equipment
• Smart home devices
• Handheld electronic terminals
• IoT equipment
• Embedded NFC/RFID systems

Customization Options

Customization is available to support different device integration requirements:

• Custom cable length
• IPEX connector options
• Stripped-wire termination
• Other connector configurations upon request

Final configuration should be confirmed according to the customer’s device and installation requirements.

FAQ

What frequency does the TX645 NFC antenna operate at?

The TX645 is designed for operation at 13.56 MHz.

What is the size of the antenna?

The antenna body measures approximately 20 × 29 mm according to the supplied product specification.

What is the standard cable length?

The standard cable length is 100 mm. Customized cable lengths are available.

What connector does the antenna use?

The supplied specification lists IPEX 1st Generation or stripped-wire termination. Other connector configurations can be customized according to project requirements.

How is the antenna installed?

The antenna uses an adhesive-backed mounting design, allowing it to be attached inside compatible electronic device enclosures.

Can the cable and connector be customized?

Yes. Cable length and connector configuration can be customized for OEM/ODM projects.

What is the NFC read distance?

Not Provided. Actual NFC operating distance depends on the complete NFC system, device construction, installation environment and matching conditions.