
Chengdu Ebyte Electronic Technology Co.,Ltd. E70-DTU(433NW30) User
Manual
Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.
Content
DISCLAIMER................................................................................................................................................................................................................................3
1. OVERVIEW............................................................................................................................................................................................................................... 4
1.1 INTRODUCTION ........................................................................................................................................................................................4
1.2 FEATURES ................................................................................................................................................................................................. 4
2. QUICK START..........................................................................................................................................................................................................................5
2.1 HARDWARE PREPARATION .................................................................................................................................................................... 5
2.2 DATA TRANSMISSION TEST ................................................................................................................................................................... 6
2.3 TEST STEPS .............................................................................................................................................................................................. 6
3. HARDWARE DESIGNS ........................................................................................................................................................................................................8
3.1 PRODUCT DIMENSIONS................................................................................................................................................................................................. 8
3.2 INTERFACE DESCRIPTION ............................................................................................................................................................................................9
4. INTERFACE DEFINITIONS ............................................................................................................................................................................................. 10
4.1 POWER INTERFACE DESCRIPTION ........................................................................................................................................................................10
4.2 RS232 INTERFACE DEFINITION ............................................................................................................................................................................... 10
4.3 RS485 INTERFACE DEFINITION ............................................................................................................................................................................... 10
5. TECHNICAL INDICATORS..............................................................................................................................................................................................11
6. FIRMWARE LAUNCH MODE .........................................................................................................................................................................................12
6.1 TRANSMITTED EMISSION.......................................................................................................................................................................................... 12
6.2 SHORT ADDRESS LAUNCH ........................................................................................................................................................................................ 12
6.3 LONG ADDRESS LAUNCH .......................................................................................................................................................................................... 12
7. OPERATING MODES ..........................................................................................................................................................................................................13
7.1 COORDINATOR MODEL............................................................................................................................................................................................... 13
7.2 COORDINATOR MODEL............................................................................................................................................................................................... 14
7.3 LOW-POWER NODES......................................................................................................................................................................................................14
7.4 CONFIGURATION MODE ..............................................................................................................................................................................................14
7.5 MODE SWITCHING ..........................................................................................................................................................................................................15
8. AT COMMAND ......................................................................................................................................................................................................................15
9. PROGRAMMING THE RADIO .......................................................................................................................................................................................19
10. CAUTION..............................................................................................................................................................................................................................20
11. COMMON PROBLEMS................................................................................................................................................................................................... 20
12. RELATED PRODUCTS.................................................................................................................................................................................................... 20
13. PRECAUTIONS FOR USE..............................................................................................................................................................................................21
14. IMPORTANT STATEMENT............................................................................................................................................................................................21
ABOUT US...................................................................................................................................................................................................................................22