Table of Contents
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1.Product Overview .................................................................................................................................................................................. 2
1.1 Brief Introduction .......................................................................................................................................................................... 2
1.3 Application ..................................................................................................................................................................................... 2
2. Technical Parameters .......................................................................................................................................................................... 2
2.1 Limit parameter ............................................................................................................................................................................. 2
2.2 Operating parameter ..................................................................................................................................................................... 3
3. Mechanical Characteristics ................................................................................................................................................................ 4
3.1. Dimension Plan ............................................................................................................................................................................ 4
3.2. Pin Definition ................................................................................................................................................................................ 5
4. Recommended Connection Diagram ............................................................................................................................................... 6
5. Functional Description ........................................................................................................................................................................ 6
5.1. Fixed Transmission ...................................................................................................................................................................... 6
5.2. Broadcast ........................................................................................................................................................................................ 6
5.3. Broadcast Address ....................................................................................................................................................................... 6
5.4. Monitor Address ........................................................................................................................................................................... 6
5.5. Module Reset ................................................................................................................................................................................ 6
5.6. AUX Description ......................................................................................................................................................................... 7
5.6.1 Indication of serial output.................................................................................................................................................... 7
5.6.2 Indication of wireless transmission ................................................................................................................................... 7
5.6.3 Module in configuration process ....................................................................................................................................... 7
6. Operation Modes .................................................................................................................................................................................. 8
6.1. Mode Switch ................................................................................................................................................................................. 8
6.2. Transmission Mode (Mode 0) ................................................................................................................................................... 8
6.3. RSSI Mode (Mode 1) .................................................................................................................................................................. 8
6.4. Ranging Mode (Mode 2) ............................................................................................................................................................ 8
6.5. Configuration mode (Mode 3)................................................................................................................................................... 9
7. Command Format .............................................................................................................................................................................. 10
7.1. Default parameter values .......................................................................................................................................................... 10
7.2. Reading Operating Parameters ................................................................................................................................................ 10
7.3. Reading Version Number ......................................................................................................................................................... 10
7.4. Reset Command ......................................................................................................................................................................... 11
7.5. Parameter Configuration Commands .................................................................................................................................... 11
8. Hardware design ................................................................................................................................................................................. 13
9. FAQ ....................................................................................................................................................................................................... 14
9.1 Communication range is too short ....................................................................................................................................... 14
9.2 Module is easy to damage ........................................................................................................................................................ 14
9.3 BER(Bit Error Rate) is high .................................................................................................................................................. 14
10. Production Guidance ....................................................................................................................................................................... 15
10.1 Reflow soldering temperature ................................................................................................................................................ 15
10.2 Reflow soldering curve ............................................................................................................................................................ 15
11. Package for batch order .................................................................................................................................................................. 16
Revision history ...................................................................................................................................................................................... 16
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Contents
E28-2G4T27SX User Manual
1
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