Category: RF/IF and RFID
What is the purpose of the parametric test of the COS functional test?
* Question
What is the purpose of the parametric test of the COS functional test?
* Answer
Verify that the expected error code can be return [...]
What functions does the RF module perform?
* Question
What functions does the RF module perform?
* Answer
RF energy is generated by the RF oscillator. A part of the RF energy is used [...]
What are the specific frequency bands for the RFID system?
* Question
What are the specific frequency bands for the RFID system?
* Answer
Low frequency, frequency range from 30 kHz to 300 kHz, operat [...]
What are the advantages of RFID?
* Question
What are the advantages of RFID?
* Answer
RFID can identify a single very specific object, and the barcode can only identify the [...]
What are the components of the RFID system?
* Question
What are the components of the RFID system?
* Answer
It consists of four parts: an electronic tag, a reader, an RF antenna, and a [...]
What is a cold reset?
* Question
What is a cold reset?
* Answer
Cold reset: When the power supply voltage and other signals of the IC card are added in a certain [...]
What are the common formats for commands (requests) and responses, and what are the formats for VICC states and their transitions?
* Question
What are the common formats for commands (requests) and responses, and what are the formats for VICC states and their transitions?
* [...]
What is a cold reset?
* Question
What is a cold reset?
* Answer
Cold reset: When the power supply voltage and other signals of the IC card are added in a certain [...]
What is infrared data transmission?
* Question
What is infrared data transmission?
* Answer
IrDA (Infrared Data Association) is the abbreviation of Infrared Data Association an [...]
What is a symmetric cryptosystem?
* Question
What is a symmetric cryptosystem?
* Answer
The symmetric cryptosystem is also called a single-key cryptosystem, a symmetric key c [...]