Product Info
Table Of Contents
- About the Document
- Contents
- Table Index
- Figure Index
- 1 Introduction
- 2 Product Concept
- 3 Application Interfaces
- 3.1. General Description
- 3.2. Pin Assignment
- 3.3. Pin Description
- 3.4. Power Supply
- 3.5. Turn on and off Scenarios
- 3.6. VRTC Interface
- 3.7. Power Output
- 3.8. Battery Charge and Management
- 3.9. USB Interfaces
- 3.10. UART Interfaces
- 3.11. (U)SIM Interfaces
- 3.12. SD Card Interface
- 3.13. GPIO Interfaces
- 3.14. I2C Interfaces
- 3.15. I2S Interfaces
- 3.16. SPI Interface
- 3.17. ADC Interfaces
- 3.18. LCM Interfaces
- 3.19. Touch Panel Interfaces
- 3.20. Camera Interfaces
- 3.21. Sensor Interfaces
- 3.22. Audio Interfaces
- 3.23. Emergency Download Interface
- 4 Wi-Fi and BT
- 5 GNSS
- 6 Antenna Interfaces
- 7 Electrical, Reliability and Radio Characteristics
- 8 Mechanical Dimensions
- 9 Storage, Manufacturing and Packaging
- 10 Appendix A References
- 11 Appendix B GPRS Coding Schemes
- 12 Appendix C GPRS Multi-slot Classes
- 13 Appendix D EDGE Modulation and Coding Schemes
- IC & FCC Requirement
Smart LTE Module Series
SC66 Hardware Design
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6 Antenna Interfaces
SC66 provides six antenna interfaces for main antenna, Rx-diversity/MIMO antenna, GNSS antenna,
Wi-Fi/BT antenna, FM antenna and Wi-Fi MIMO antenna, respectively. The antenna interfaces have an
impedance of 50Ω.
6.1. Main/Rx-diversity Antenna Interfaces
The pin definition of main/Rx-diversity antenna interfaces is shown below.
Table 36: Pin Definition of Main/Rx-diversity Antenna Interfaces
The operating frequencies of SC66 module are listed in the following tables.
Table 37: SC66-CE* Operating Frequencies
Pin Name Pin No. I/O Description Comment
ANT_MAIN 19 IO
Main antenna interface 50Ω impedance
ANT_DRX 149 AI Diversity antenna interface
50Ω impedance
3GPP Band Receive Transmit Unit
EGSM900 925~960 880~915 MHz
DCS1800 1805~1880 1710~1785 MHz
WCDMA B1 2110~2170 1920~1980 MHz
WCDMA B8 925~960 880~915 MHz
EVDO/CDMA BC0 869~894 824~849 MHz
TD-SCDMA B34 2010~2025 2010~2025 MHz