Hardware Guide
Table Of Contents
- Fibocom_FM101-CG_Hardware_Guide_V1.0.pdf
- FM101-CG-20: Hardware Guide
- Contents
- Change History
- 1. Foreword
- 2. Product Overview
- 3. Pin Definition
- 4. Electrical Characteristics
- 5. Functional Interface
- 6. Radio Frequency
- 6.1. RF Interface
- 6.2. Operating Bands
- 6.3. Transmitting Power
- 6.4. Receiving Sensitivity
- 6.5. GNSS Receiving Performance
- 6.6. Antenna Design
- 6.7. PCB Routing Design
- 6.8. Main Antenna Design
- 6.9. Diversity and MIMO Antenna Design
- 6.10. GNSS Antenna Design
- 6.11. Other Interfaces
- 7. Thermal Design
- 8. Electrostatic Protection
- 9. Structural Specifications
- Appendix A: Acronyms and Abbreviations
- Module FCC & ISED警语 for Fibocom
affected by the internal environment of the complete machine, so that the antenna does
not need to be independently designed for each project. The compatibility is good. Most
of the interfaces of such antennas are SMA interfaces.
Figure 25. External antenna
6.8.2. Internal Antenna
6.8.2.1. Design Principle of Internal Antenna
Placement
•
The antenna shall be arranged in the corners of the module.
•
Avoid placing metal elements near the antenna.
•
The shielding parts shall be as neat as possible. Do not use long strip shaped hole
slots.
•
Components with metal structure, such as horn, vibrator, and camera base plate
shall be grounded.
•
Avoid using long FPC. If a long FPC is required, add grounding shields on both
sides.
Routing
•
When connecting RF routing, apply circular arc treatment at the turning, take
grounding and pay attention to characteristic impedance.
6. Radio Frequency
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