TWN4 Palon Compact

TWN4 Palon Compact

Compact OEM RFID reader/writer for LF, HF, NFC and BLE with extended interfaces

The TWN4 Palon Compact is a versatile OEM PCB for integration into third-party products and devices. It supports enhanced interfaces, especially RS-485. The new compact PCB module inherits all advantages and integrated tool support of the ELATEC TWN4 family. Although it is a general-purpose device, it is optimized for time attendance and access control.

TWN4 Palon Compact is a multi-technology reader/writer family supporting almost all 125 kHz / 134.2 kHz and 13.56 MHz contactless technologies, including NFC. RS-485, RS-232, Wiegand, Clock/Data and USB are standard interfaces. Optionally, OSDP protocol is supported.

On-board antennas for HF and LF allow excellent contactless performance. An integrated Bluetooth Low Energy (BLE) module supports a broad range of mobile ID and authentication solutions as well.

Burhan Gündüz

Burhan Gündüz
VP Business Development EMEA
Puchheim, Germany

Key Facts

  • Optimized PCB design for OEM integration
  • Onboard LF and HF antennas
  • One onboard SAM socket (Secure Access Module) Interfaces: RS-485, RS-232 and TTL (Wiegand, Clock/Data). OSDP protocol optionally
  • Micro USB port
  • Supports quick (re)configuration over network and over wireless interface with TWN4 CONFIG Card
  • Direct chip-commands support
  • Integrated BLE module 2.4 GHz for data communication and authentication, Bluetooth v4.2, upgradable
  • Firmware update in the field possible
  • Powerful SDK for writing apps which are executed directly on the reader
  • Onboard 18 kB flash storage, e.g. for storing user accessible non-volatile data
  • Supports quick centralized (re)configuration over network and over wireless interface with
  • TWN4 CONFIG Card
  • TWN4 Upgrade Card for P and PI options available on request
  • 3D construction data (STEP) available on request


  • Time attendance
  • Access control
  • Mobile ID and authentication solutions

Efficiency improvements, increased flexibility and improved competitiveness – these are the factors that have produced business success in globalized markets since before the digital transformation even began. This is where ELATEC comes in. Our solution architectures are sector-independent and our intelligently integrated RFID technology (Radio Frequency IDentification) helps companies tap into new potential.

As one of the world’s market leaders, ELATEC is a driver in innovative application areas such as the wireless Internet of Things (IoT). The company's primary areas of expertise are the development, sale and service of short-range contactless reader/writer modules (RFID, NFC, Bluetooth) and contact reader/writer modules (smartcards).

Founded in 1988, the company employs around 100 people at 14 locations worldwide and is headquartered near Munich.

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Application Fields

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