RFID Accessories

Image	Part Number	Description / PDF	Quantity	Rfq
	9999.403.00 FEIG ELECTRONIC	POWER SUPPLY FOR CPR47	0
	2421.000.01 FEIG ELECTRONIC	ID ISC.CF2.WLAN-A WIRELESS ADPTR	0
	2673.000.01 FEIG ELECTRONIC	ID ISC.LR.I/O-A I/O EXT BOARD	0
	1966.000.00 FEIG ELECTRONIC	ID ISC.MAT-A MANUAL ANT TUN BRD	0

RFID Accessories

1. Overview

RF/IF (Radio Frequency/Intermediate Frequency) and RFID (Radio Frequency Identification) accessories are critical components in wireless communication systems. These accessories enable signal transmission, reception, and processing in RFID systems, which utilize electromagnetic fields to automatically identify and track tags attached to objects. Their importance spans industries such as logistics, healthcare, and manufacturing, where automated data capture and asset management are essential.

2. Main Types and Functional Classification

Type	Functional Features	Application Examples
RFID Antennas	Transmit/receive RF signals, impedance matching, directional/radiation pattern control	Warehouse inventory tracking, vehicle access control
RFID Readers/Modules	Encode/decode data, protocol handling (ISO 14443, EPC C1G2), interface with host systems	Retail point-of-sale systems, medical asset management
RFID Tags	Passive/active memory storage, unique ID encoding, environmental sensing (optional)	Supply chain logistics, livestock tracking
RF Connectors/Cables	Low-loss signal transmission, waterproofing, vibration resistance	Industrial automation, outdoor communication towers
RFID Isolators/Circulators	Signal direction control, reflection suppression, power protection	High-power RFID readers, military communication systems

3. Structure and Components

Typical RFID accessories consist of:

Conductive elements (e.g., copper alloys for antennas)
Dielectric substrates (FR4, PTFE for PCBs)
RFIC chips (for tags and readers)
Protective enclosures (ABS, polycarbonate)
Interface ports (UFL, SMA, Ethernet/IP)

Example: An RFID antenna combines etched metal traces on a PCB substrate with impedance-matching circuitry and an IP67-rated housing.

4. Key Technical Specifications

Parameter	Description	Importance
Frequency Range	Operating band (e.g., 860-960 MHz UHF, 13.56 MHz HF)	Determines regulatory compliance and application compatibility
Impedance	Characteristic resistance (typically 50 )	Ensures maximum power transfer between components
Power Handling	Maximum RF input (e.g., 20W for readers)	Prevents component damage from signal overload
Insertion Loss	Signal attenuation (e.g., <0.5dB for cables)	Impacts system read range and reliability
Read Range	Operational distance (e.g., 0-15 meters)	Defines deployment flexibility

5. Application Fields

Retail: Inventory management (Zebra RFID printers)
Healthcare: Patient tracking (HID Global's iCLASS readers)
Manufacturing: Tool tracking (Siemens' industrial RFID systems)
Transportation: Toll collection (DSRC roadside units)
Logistics: Pallet tracking (Alien Technology ALR-9900 readers)

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Features
Impinj	R420 UHF Reader	Supports 860-960 MHz, 4-port, integrated FPGA
Alien Technology	ALR-FX100 Reader	Compact form factor, EPC Class 1 Gen 2 compliance
STMicroelectronics	ST25TV Series Tags	13.56 MHz, 1-8kbit memory, NFC Forum Type 4
Amphenol RF	901-3803 Antenna	2.4 GHz, linear polarization, 10 dBi gain

7. Selection Guidelines

Key factors to consider:

Frequency compatibility with existing systems
Environmental durability (temperature, moisture, vibration)
Interoperability with tag standards (ISO/IEC 18000-63, etc.)
Read rate requirements (e.g., 600 tags/sec for conveyor belt systems)
Cost vs. performance trade-offs

Case Study: Selecting RFID cables for a -40 C freezer warehouse: Use low-loss, cold-resistant materials (e.g., LMR-240UFlex) to maintain signal integrity.

8. Industry Trends

Emerging developments include:

Millimeter-wave RFID integration (30-300 GHz for precision tracking)
AI-enhanced RFID readers with adaptive signal processing
Flexible/wearable RFID tags with graphene-based antennas
5G-RFID convergence for real-time asset tracking in smart cities
Energy-harvesting passive tags for sensor applications