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RF-WM-20CMB1
User Manuals: RF-Star RF-WM-20CMB1 WiFi Module
Manuals and User Guides for RF-Star RF-WM-20CMB1 WiFi Module. We have
1
RF-Star RF-WM-20CMB1 WiFi Module manual available for free PDF download: Manual
RF-Star RF-WM-20CMB1 Manual (25 pages)
Ultra-Low-Power 2.4 GHz 802.11b/g/n WLAN Wi-Fi and BLE4.2 Module
Brand:
RF-Star
| Category:
Control Unit
| Size: 2 MB
Table of Contents
Wi-Fi Module List
2
Device Overview
3
Description
3
Key Features
3
Applications
3
Functional Block Diagram
4
Part Number Conventions
4
Figure 1. Functional Block Diagram of RF-WM-20CMB1
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Figure 2. Part Number Conventions of RF-WM-20CMB1
4
Table of Contents
5
Table of Figures
6
Table of Tables
7
Module Configuration and Functions
8
Module Parameters
8
Table 1. Parameters of RF-WM-20CMB1
8
Module Pin Diagram
9
Pin Functions
9
Figure 3. Pin Diagram of RF-WM-20CMB1
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Table 2. Pin Functions of RF-WM-20CMB1
9
GPIO Pin Function
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Table 3. GPIO Pin Function of RF-WM-20CMB1
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Specifications
12
Recommended Operating Conditions
12
Handling Ratings
12
Table 4. Recommended Operating Conditions of RF-WM-20CMB1
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Table 5. Handling Ratings of RF-WM-20CMB1
12
Application, Implementation, and Layout
13
Module Photos
13
Recommended PCB Footprint
13
Figure 4. Photos of RF-WM-20CMB1
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Figure 5. Recommended PCB Footprint of RF-WM-20CMB1 (MM)
13
Antenna
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Antenna Design Recommendation
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Antenna Output Mode Modification
14
Figure 6. Recommendation of Antenna Layout
14
External Antenna Design Recommendation of the Half-Hole ANT Pin
15
Figure 7. IPEX Antenna Output Mode of RF-WM-20CMB1
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Figure 8. ANT Pin Antenna Output Mode of RF-WM-20CMB1
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Figure 9. Reference Design of the External Antenna
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Figure 10. Reference Design of the External Antenna Traces
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Figure 11. SI9000 Impedance Calculation Diagram
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IPEX Connector Specification
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Figure 12. Specification of Antenna Seat
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Figure 13. Specification of IPEX Wire
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Schematic Diagram
18
Basic Operation of Hardware Design
18
Figure 14. Schematic Diagram of RF-WM-20CMB1
18
Trouble Shooting
19
Unsatisfactory Transmission Distance
19
Vulnerable Module
20
High Bit Error Rate
20
Electrostatics Discharge Warnings
20
Soldering and Reflow Condition
20
Table 6. Temperature Table of Soldering and Reflow
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Figure 15. Recommended Reflow for Lead-Free Solder
21
Optional Package Specification
22
Figure 16. Default Package by Tray
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Figure 17. Package by Tape & Reel
23
Revision History
24
Contact Us
25
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