Product Info

Smart LTE Module Series
SC20 Hardware Design
SC20_Hardware_Design 69 / 130
4 Wi-Fi and BT
SC20 module provides a shared antenna interface ANT_WIFI/BT for Wi-Fi and Bluetooth (BT) functions.
The interface impedance is 50Ω. External antennas such as PCB antenna, sucker antenna and ceramic
antenna can be connected to the module via the interface, so as to achieve Wi-Fi and BT functions.
4.1. Wi-Fi Overview
SC20 series module supports 2.4GHz/5GHz double-band WLAN wireless communication based on IEEE
802.11a/b/g/n standard protocols. The maximum data rate is up to 150Mbps.
The features are as below:
⚫ Support Wake-on-WLAN (WoWLAN)
⚫ Support ad hoc mode
⚫ Support WAPI SMS4 hardware encryption
⚫ Support AP mode
⚫ Support Wi-Fi Direct
⚫ Support MCS 0-7 for HT20 and HT40
4.1.1. Wi-Fi Performance
The following table lists the Wi-Fi transmitting and receiving performance of SC20 module.
Table 28: Wi-Fi Receiving Performance
Standard
Rate
Sensitivity
2.4GHz
802.11b
1Mbps
-96dBm
802.11b
11Mbps
-87dBm
802.11g
6Mbps
-91dBm
802.11g
54Mbps
-74dBm