HF2111A GPRS DTU User Manual
http://www.iotworkshop.com - 3 -
TABLE OF CONTENTS
TABLE OF CONTENTS....................................................................................................................3
LIST OF FIGURES............................................................................................................................4
LIST OF TABLES .............................................................................................................................4
1. PRODUCT OVERVIER ........................................................................................................5
1.1. General Description.........................................................................................................5
1.2. Device Parameters...........................................................................................................5
1.3. Key Applications..............................................................................................................6
2. HARDWARE INTRODUCTION ...........................................................................................7
2.1. Appearance ......................................................................................................................7
2.2. HF2111A Interface............................................................................................................8
2.3. RS232 Interface................................................................................................................9
2.4. RS485 Interface................................................................................................................9
2.5. Mechanical Size ...............................................................................................................9
2.6. Product Order Information............................................................................................10
APPENDIX A: CONTACT INFORMATION....................................................................................12
