Getac Technology Corporation ZX70U Manual Do Utilizador
AS3993 – AN13 – Received Signal Strength Indicator (RSSI)
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Revision 2.0 / 6/22/12
page 7/17
5 Interfaces
5.1 USB
The USB is used to communicate to the host computer and to supply the reader system. The 5V
USB voltage is regulated down to 3.5 V.
USB voltage is regulated down to 3.5 V.
5.2 UART Interface
TX
G
ND
R
X