User's Manual

Vst/Pst Controller Ver. A1.00
VST/PST System ETU Product Overview
P/N 1100035 page 2-2
2.3.2 Communication:
VST tag:
• 915MHz.
• Normal bi-directional, transmit/receive, half-duplex.
• Digital data, Binary FSK.
PST tag:
• 13.56 MHz.
•
Special bi-directional, half duplex:
o
Controller to tag communication – AM.
o
Tag to controller communication – Load modulation.
•
Digital data, pulse width coding.
2.3.3 Antennas:
2.3.3.1 VST channel:
Controller:
• Detachable directional antenna.
VST tag:
• Integral “L” antenna.
2.3.3.2 PST channel:
Controller:
• Detachable loop antennas.
PST tag:
• Integral loop antenna.