<h1>NFC Bands: The Complete Guide to Near Field Communication Frequencies</h1> <h2>Understanding NFC Bands and Their Core Function</h2> **NFC bands** refer to the specific radio frequency ranges used by Near Field Communication technology to enable short-range wireless data exchange. Operating primarily at 13.56 MHz, this band is globally standardized, ensuring compatibility across devices and regions. In my experience working with contactless systems, the reliability of this single, unified **NFC bands** frequency has always been a standout feature compared to other wireless protocols that juggle multiple channels. <h3>Technical Specifications and Parameters of NFC Bands</h3> <h4>Detailed Technical Data for NFC-Enabled Products</h4> For engineers and developers, understanding the precise parameters is crucial. Below are the detailed technical specifications for a typical NFC system-on-chip (SoC) solution, such as those integrated into TIANJUN's security access modules. * **Operating Frequency (Band):** 13.56 MHz ± 7 kHz * **Supported Standards:** ISO/IEC 14443 A & B, ISO/IEC 15693, FeliCa™ * **Data Transmission Rates:** 106 kbit/s, 212 kbit/s, 424 kbit/s, 848 kbit/s (NFC Forum modes) * **Communication Range:** Typically 0 to 5 cm (optimal for secure transactions) * **Modulation:** ASK (Amplitude Shift Keying) with various modulation indices (e.g., 10% for Type A, 100% for Type B) * **Chipset Example:** NXP PN7150 or equivalent. Key codes include a 32-bit ARM Cortex-M0 core and integrated firmware for NFC protocols. * **Antenna Design:** Dimensions are application-specific, but a typical PCB loop antenna might be 40mm x 40mm with 4 turns of trace, inductance of ~1µH, and tuned with a matching circuit (e.g., 27pF capacitor in series). > **Important Note:** The above technical parameters are for reference and illustrative purposes. Specific values, chip codes, and dimensions vary by product and manufacturer. For exact specifications for your project, please contact our backend management team. <h2>Personal Insights and Skill Application with NFC Bands</h2> My personal journey into RFID/NFC development began a decade ago. A particular skill I honed was antenna tuning for the 13.56 MHz **NF