Parameter	Specification Details
Primary Chipset Silicon	NXP Semiconductors MFRC522
Radio Frequency Band	13.56 MHz ISM Proximity Band
Operating Logic Voltage	3.3V DC (Pins are 5V tolerant for signal inputs)
Current Draw Profile	13–26mA (Active read) \| 10–13mA (Idle) \| <80µA (Sleep mode)
Maximum Data Rate	Up to 10 Mbps over the SPI interface protocol
Effective Sensing Range	≥ 50 mm (Subject to tag antenna geometry configurations)
Supported Card Arrays	MIFARE 1 S50 \| MIFARE 1 S70 \| MIFARE Ultralight \| MIFARE Pro
System Interface Bus	Serial Peripheral Interface (SPI) default mode
Physical Proportions	40.0 mm × 60.0 mm compact footprint card layout

Parameter	Specification Details
Operating Frequency	13.56 MHz High-Frequency (HF)
Chip Architecture Core	MIFARE Classic 1K Compatible (S50)
Memory Capacity	1024 Bytes (1 KB) EEPROM
Storage Structure Layout	16 Sectors (Each sector contains 4 Blocks; 1 Block holds 16 Bytes)
Unique Identification Number	4-Byte Non-Changeable Unique ID (UID)
Communication Protocol	ISO / IEC 14443 Type A Standard
Typical Data Retention	Engineered to hold written data securely for over 10 Years
Sensing Distance Threshold	2 cm to 10 cm (Subject to your reader antenna power profile)
Physical Proportions	85.6 mm × 54.0 mm × 0.8 mm (Standard CR80 Credit Card Size)

Parameter	Specification Details
Operating Frequency	13.56 MHz High-Frequency (HF)
Chip Architecture Core	MIFARE Classic 1K Compatible (S50)
Memory Capacity	1024 Bytes (1 KB) EEPROM
Storage Structure Layout	16 Sectors (Each sector contains 4 Blocks; 1 Block holds 16 Bytes)
Unique Identification Number	4-Byte Non-Changeable Unique ID (UID)
Communication Protocol	ISO / IEC 14443 Type A Standard
Adhesive Backing Type	Authentic 3M Heavy-Duty Double-Sided Tissue Tape or equivalent
Sensing Distance Threshold	1 cm to 4 cm (Subject to your reader antenna power profile)
Material Base Finish	Water-Resistant White PVC Coin Disc Profile
Physical Proportions	25.0 mm Diameter × 1.0 mm Thickness

Parameter	Specification Details
Sensing IC Chipset	TTP223-BA6 TonTouch Capacitive Detector
Operating Voltage Range	2.0V to 5.5V DC
Response Time Max	~60ms at fast mode \| ~220ms at low-power standby mode
Output Logic Mode	Default: Momentary Active-High (Configurable via solder pads)
Current Consumption	Ultra-low 1.5 µA to 3.0 µA baseline power draw
Default Jumper State A	Open: Active-High Output \| Shorted: Active-Low Output
Default Jumper State B	Open: Momentary Switch \| Shorted: Self-Locking / Latching Toggle
Physical Dimensions	15.0 mm × 11.0 mm micro-footprint layout profile

Sensors