UHF RFID Reader Module
7
/
9
Appearance and Structure
Drawing 1 Size of Reader Module
Interface Definition
PIN
Signal
Name
Signal
Direction
Function/Compatibility Description
1~2
NC
NC
3~6
GND
-
Module Connecting Ground
7 VDD
Input
Module
Supplying
power
8
EN
Input
Module Enabling, Highly Effective
9 GPIO Output
10
GPIO
Output
11 UART_RX
Input
12
UART_TX
Output
13~16 GND
-
Module
connecting
ground
17
RFOUT
Bidirection
Module Radio frequency Input and output interface
18~24
GND
-
Module connecting ground