User's Manual

SHENZHEN SYS IoT CO., LTD. 14 / 34
Tel: [phone]
Fax: [phone]
Mail: [e-mail]
Http://www.sysiot.cn
Add: Room 716, Yiben E-Commerce
and Industrial Park, Chaguang Road
Nanshan District, Shenzhen, China
Post Code：518055
3.4.1.1 Working mode
Set the highly sensitive mode and the dense mode of the reader module.As shown in picture-16
Picture16
By default, the reader is in high sensitivity mode, namely, the distance of reader is the farthest; in the
dense reader mode, it is applied to a small area and has multiple reader module application scenarios;
3.4.2 RF Parameter
RF parameter is used to set the module’s operation frequency, RF power and antenna control and so
on.
3.4.2.1 GPIO Control
The reader module has 4 GPIO ports. Each GPIO port can be set to input or output. The host can send
a command to read the high and low state of the GPIO port.
1) Set the IO port to the input state.
Picture17
As shown in picture 17, select IO2, select "Input", and click the "Set Direction" button to set the IO2
port as the input state. Click the "Get" button to get the current level status of IO2.