RFID Solutions (LF · HF · UHF)
Architected for Precision & Reliability
Turnkey RFID hardware design, embedded reader integration, custom tuned PCB trace antennas, and industrial asset tracking systems across LF, HF NFC, and long-range UHF frequencies.
- Multi-frequency coverage: 125 kHz Low Frequency, 13.56 MHz High Frequency, 865–868 MHz UHF
- Custom tuned PCB trace loop antennas with 50 Ω impedance matching networks
- Anti-collision algorithms for multi-tag scanning in automated inventory environments
- Direct microcontroller and PLC interfaces: UART, Wiegand 26/34, SPI, RS485 Modbus
Technical Architecture & Signal Pipeline
End-to-end signal flow from hardware acquisition to real-time execution and application interface.
RFID Tags
NFC, MIFARE, UHF EPC Gen2 cards, inlays & on-metal tags
Tuned RF Front
Custom PCB loop antenna with 50 Ω matching network
Reader ASIC
Baseband filter, envelope detector & tag decoding
MCU / PLC Bus
Decoded ID passed over Wiegand, UART or RS485 Modbus
RFID Frequency Bands & Hardware Interface Parameters
| Engineering Parameter | Technical Implementation Specification |
|---|---|
| Operating Frequencies | 125 kHz (LF), 13.56 MHz (HF NFC), 865–868 MHz (UHF India/EU compliant) |
| Supported Tag Protocols | EM4100/TK4100, MIFARE Classic/Ultralight, NTAG213/215, EPC Gen2 / ISO 18000-6C |
| Read Range Performance | Contactless 2–10 cm (LF/HF) up to 1–8 meters (UHF long-range portal antennas) |
| Antenna Engineering | Custom tuned PCB trace coils, external coaxial SMA, circular polarized patch |
| Host System Interfaces | UART (TTL / RS232), Wiegand 26/34 bits, SPI, RS485 Modbus RTU |
| Industrial Operating Range | -20 °C to +70 °C, noise immunity filtering for noisy industrial environments |
Engineered Execution & Testing Methodology
Tag & Frequency Selection
Matching RFID frequency to material, range, and environmental constraints.
Antenna Coil Tuning
VNA impedance measurement to ensure precise resonance and Q-factor.
Protocol Firmware
Anti-collision algorithms, security keys, and data frame formatting.
Field Pilot QA
Read-rate validation in conveyor, access control, or machine integration.