User's Manual

2-2 Specifications
2-2
2-5
2-2-3 Reader/Writer Communications Specifications
1. Transmission specifications
Item Specifications
Central carrier frequency 13.56 MHz ± 7 kHz
Antenna output
V720S-BC5D4: 4.0 W or less
Output impedance: 50Ω
Modulation method ASK
Degree of modulation 10% to 20%
Coding method
Fast mode: RZ/1 out of 4
Standard mode: 1 out of 256
Baud rate
Fast mode: 26.5 kbps
Standard mode: 1.65 kbps
2. Receipt specifications
Item Specifications
Central carrier frequency 13.56 MHz ± 7 kHz
Sub-carrier 424 kHz
Modulation method ASK modulation on sub-carrier
Coding method Manchester encoding
Baud rate 26.5 kbps
Note
The Standard Mode and Fast Mode are specified by the Tag Communications Mode Setting Command (CM). It
should be noted that the factory default setting is the Fast Mode.