







TAG-6 RFID 125kHz 13.56MHz Unique Access Keychain

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TAG-6 RFID 125kHz 13.56MHz Unique Access Keychain
Odbiór w Mińsku Mazowieckim
Romualda Traugutta 19
05-300 Mińsk Mazowiecki
Poland

The unique Spreest brand RFID TAG-6 125kHz 13.56MHz access key fob is a dual-system identification medium combining 1 3.56 MHz MIFARE Classic 1K (S50) and 125 kHz EM-ID technologies in one housing.
Thanks to the integration of two popular standards, the key fob is compatible with devices operating in both HF and LF technology, making it a universal solution for access control systems, RCP, intercoms and hybrid installations.
The 13.56 MHz module allows for memory sector programming in accordance with the MIFARE Classic 1K architecture, while the 125 kHz module has a factory-recorded and unchangeable ID. Both modules operate in parallel , and their unchangeable IDs ensure stable, repeatable identification across systems.
Due to the design of the MIFARE S50 and EM-ID systems, none of the UID/IDs can be changed – the key fob is not a copyable medium.
Key Features
- Dual HF + LF technology: support for 13.56 MHz (MIFARE Classic 1K) and 125 kHz (EM-ID) systems
- Media copying: none – both identifiers are factory-protected and cannot be changed
- Programming: 13.56 MHz – possibility of editing sectors, blocks and keys, excluding sector 0; 125 kHz – no programming possible (fixed ID)
- UID/ID: unable to change identifiers in both systems
- Communication standards: ISO/IEC 14443A (13.56 MHz), EM-ID (125 kHz)
- Format: ABS keychain with metal ring, resistant and compact
- Applications: access control systems, RCP, intercoms, user identification, hybrid systems
Technical specifications
Chip 13.56 MHz
- Standard: MIFARE Classic 1K (S50)
- Memory: 1024 bytes (16 sectors)
- Frequency: 13.56 MHz
- Key Operation: Key A / Key B
- Possibility to change UID: no
- Protocol: ISO/IEC 14443A
125 kHz chip
- Standard: EM-ID 125 kHz
- Operating frequency: 125 kHz
- Memory: Permanent factory identifier (ID)
- Copy/Program: None – ID unchangeable
- Compatibility: Readers and systems supporting 125 kHz EM-ID media
- Dimensions: 52 × 32 × 6 mm
- Material: ABS + metal ring
- Color: blue
The set includes
- 1x TAG-6 RFID 125kHz 13.56MHz Unique Access Key Fob











