USR IOT USR-C322 Hardware Manual Download Page 8

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USR-C322 Hardware Manual

Jinan USR IOT Technology Limited 8 / 9

2.5.

Antenna

USR-C322 have internally installed antenna.

Note:

1. On PCB board, user can

’t place component on antenna part.

2. Keep antenna away from metal, inductance or some other interference source.

3. Ensure antenna locate on margin of PCB board.

Summary of Contents for USR-C322

Page 1: ...USR C322 Hardware Manual www usriot com Jinan USR IOT Technology Limited 1 9 h usriot com USR C322 Hardware Manual File version 1 2 01 ...

Page 2: ...m Content USR C322 Hardware Manual 1 1 Product Overview 3 1 1 Dimension 3 1 2 Encapsulation Size 3 1 3 Pin Definition 4 2 Hardware Design 6 2 1 Typical Connection 6 2 2 Power Interface 6 2 3 UART Interface 7 2 4 Reset and Reload 7 2 5 Antenna 8 3 Contact 9 4 Disclaimer 9 5 Update History 9 ...

Page 3: ...ed 3 9 h usriot com 1 Product Overview 1 1 Dimension Module size 18 22 26 65 2 80mm error 0 2mm pin size as follows Figure 1 Dimension 1 2 Encapsulation Size Figure 2 Encapsulation size You can download PCB library from http www usriot com pcb library usr c322 wifi module ...

Page 6: ...gure 4 Typical connection 2 2 Power Interface Switching power supply is recommended Working voltage VCC range from 3 0V 3 6V 3 3V is recommended Power the module by main power pin pin interface is in parallel with appropriate energy storage capacitance and high frequency capacitance Circuit diagram as follows Figure 5 Power interface ...

Page 8: ... Limited 8 9 h usriot com 2 5 Antenna USR C322 have internally installed antenna Note 1 On PCB board user can t place component on antenna part 2 Keep antenna away from metal inductance or some other interference source 3 Ensure antenna locate on margin of PCB board ...