RFID4UPreparation for RFID Certification Exam
Mod 1 – What is RFID – What is Tested
SCOPE
This section covers the types of RFID systems, which are generally categorized by the way in which the tag, or transponder, is powered for receiving data/instructions from the RFID reader (interrogator) and transmitting data back in reply. The three main types of systems are:
- Passive
- Battery Assisted Passive (BAP) or Semi-Passive
- Active
WHAT YOU ARE EXPECTED TO KNOW
The categorizations as well as the characteristics of each type of RFID technology in the context of:
- Impact on data transfer rate
- Impact of read range
- Impact on costs
- Typical applications
- Frequencies normally used for each category, including:
- Low Frequency (LF) 120 – 150 kHz
- High Frequency (HF) 13.56 MHz
- Ultra-High Frequency (UHF) 860 – 960 MHz
- Ultra-High Frequency (UHF) 433 MHz
- Microwave 2.45 – 5.8 GHz
- Ultra Wide Band (UWB) 3.1 – 10 GHz
- Behavior of passive systems using different frequencies, including:
- Read range
- Typical application
- Performance near metals and water based liquids
- Regulations applying to use – including transmitted power limitations
- Mode of operation (e.g. induction)
- Type of antenna used
- Active RFID systems, including those that use the following protocols:
- ISO 18000-7 (Savi Technology protocol)
- DASH7 (2nd generation of ISO 18000-7)
- Wi-Fi IEEE 802.11n
- Zigbee IEEE 802.15.4
WHAT YOU ARE NOT EXPECTED TO KNOW
- How the power is harvested or used
- Power levels
- Battery types
- Battery life cycles
- Waveforms or modulation schemes used
- Details of signal protocols
- Types of batteries us
- Security techniques
- Specific details or statistics related to:
- Rain penetration performance
- Building penetration performance
- Power consumption
- Location accuracy