# RFID Cards and Tags

> RFID/NFC cards, tags and keyfobs (125kHz, 13.56MHz) like NTAG213/216, S50, EM4100/4305, plus card copiers

- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Category page: https://sigmanortec.ro/en/rfid-cards-and-tags
- Category: Electronic components > Access Control > RFID Cards and Tags
- Prices: RON, VAT included; prices and stock as of 2026-10-22 02:21 (Europe/Bucharest)

## Products (8)

### NFC card, NTAG216, 13.56MHz
- Page: https://sigmanortec.ro/en/nfc-card-ntag216-1356mhz
- Details: https://sigmanortec.ro/en/llms/p/2216.md
- Price: 3.97 RON
- Availability: Out of stock
- Reference: 88055 · EAN: 5945176112605

NFC card with NTAG216 chip, operates at 13.56MHz using ISO14443A protocol, with a usable capacity of 888 bytes. Read/write distance 1-5 cm, over 100,000 rewrite cycles, data retention over 10 years. Made of durable PVC, dimensions 85.6 x 54 x 0.8 mm, white surface, printable for customization. Compatible with Arduino, Raspberry Pi and NFC-enabled Android devices, suitable for access, authentication and automation.

### RFID key fob, EM4305, programmable
- Page: https://sigmanortec.ro/en/rfid-key-fob-em4305-programmable
- Details: https://sigmanortec.ro/en/llms/p/1755.md
- Price: 4.88 RON
- Availability: In stock; 1-2 zile
- Reference: 9646 · EAN: 5944762034413

RFID key fob with EM4305 chip, programmable and rewritable, used in access control and identification systems. Operates at 125KHz frequency, with a read distance of 3-10 cm depending on the reader. Made of plastic with a metal ring, water resistant. Dimensions: 35 x 28 x 4 mm.

### RFID key fob, 125Khz
- Page: https://sigmanortec.ro/en/rfid-key-fob-125khz
- Details: https://sigmanortec.ro/en/llms/p/1402.md
- Price: 1.94 RON
- Availability: In stock; 1-2 zile
- Reference: 9296 · EAN: 5947862143023

RFID proximity key fob for access control systems, operates at 125 kHz. Has a unique non-rewritable ID and cannot be written with copiers. Compact key fob format, blue color. Reference 9296.

### NFC Tag NTAG213, 13.56MHz
- Page: https://sigmanortec.ro/en/nfc-tag-ntag213-1356mhz
- Details: https://sigmanortec.ro/en/llms/p/762.md
- Price: 2.48 RON
- Availability: In stock; 1-2 zile
- Reference: 33424 · EAN: 5945932932164

Self-adhesive, rewritable NFC tag with NTAG213 chip, ISO14443A standard, 13.56MHz frequency. Total memory 180 bytes, usable 144 bytes. Read/write distance 1-5 cm, time 1-2 ms. Over 100,000 write and read cycles, data retention over 10 years. Diameter 25mm, operating temperature -20 to +55°C, humidity 90%. Compatible with mobile phones for reading/writing.

### RFID Card S50 13.56MHz
- Page: https://sigmanortec.ro/en/rfid-card-s50-1356mhz
- Details: https://sigmanortec.ro/en/llms/p/91.md
- Price: 1.96 RON
- Availability: In stock; 1-2 zile
- Reference: 22117 · EAN: 5943349314979

RFID Card S50, 13.56MHz, compliant with ISO 14443A standard, compatible with RC522, PN532, HW-126 modules and Arduino, ESP32, STM32 platforms. EEPROM memory 1KB (16 sectors x 4 blocks x 16 bytes), rewritable up to 200,000 cycles, fixed 7 byte UID or 4 byte NUID, supports anticollision. Passive power supply via induction, reading distance up to 100mm. Made of PVC, dimensions 86 x 54 x 0.88mm, moisture resistant.

### RFID card 125kHz TK4100
- Page: https://sigmanortec.ro/en/rfid-card-125khz-tk4100
- Details: https://sigmanortec.ro/en/llms/p/90.md
- Price: 1.96 RON
- Availability: In stock; 1-2 zile
- Reference: 33443 · EAN: 5940102812765

125kHz proximity RFID card with TK4100 chip, standard credit-card size, made of PVC, with read-only (non-rewritable) memory. Reading distance up to about 1 cm, compatible with most 125kHz RFID readers. Used for access control, time and attendance tracking, and identification. Basic security level, suited to applications with low security requirements.

### RFID key fob, 13.56MHz, S50
- Page: https://sigmanortec.ro/en/rfid-key-fob-1356mhz-s50
- Details: https://sigmanortec.ro/en/llms/p/61.md
- Price: 2.09 RON
- Availability: In stock; 1-2 zile
- Reference: 22115 · EAN: 5940046224969

RFID key fob 13.56MHz S50 for access control and identification in projects with Arduino and compatible RFID modules, rewritable up to 200k cycles, with a fixed, non-cloneable ID. It works by induction without a battery, is waterproof and made of durable ABS, attaches easily to keys, and offers fast detection at approximately 3-10 cm depending on the reader.
The RFID S50 key fob is a compact proximity tag that operates at a frequency of 13.56MHz and complies with the ISO 14443A standard, being compatible with a wide range of RFID modules available on this frequency, including RC522, PN532, and HW-126 modules.

### RFID card copier, 125KHz, EM4100
- Page: https://sigmanortec.ro/en/rfid-card-copier-125khz-em4100
- Details: https://sigmanortec.ro/en/llms/p/1651.md
- Price: 44.90 RON
- Availability: In stock; 1-2 zile
- Reference: 9536 · EAN: 5948004489771

Portable programmer for duplicating RFID cards and tags at 125KHz. Reads EM4100 and TK4100, writes to EM4305, T5577, CET5557, 5200, EM4205. Stores the last read card to write multiple cards consecutively without re-reading. Power supply: 3VDC, 2xAAA (not included). Lifespan >20000 operations. Dimensions: 115x70x30 mm.