Smart Module Series
SC20_Series_Hardware_Design 69 / 133
4
Wi-Fi and Bluetooth
SC20 series provides a shared antenna interface ANT_WIFI/BT for Wi-Fi and Bluetooth functions. The
interface impedance is 50 Ω. External antennas such as PCB antenna, sucker antenna and ceramic
antenna can be connected to the module via the interface to achieve Wi-Fi and Bluetooth functions.
4.1. Wi-Fi Overview
SC20 series module supports 2.4 GHz and 5 GHz dual-band WLAN wireless communication based on
IEEE 802.11a/b/g/n standard protocols. The maximum data rate is up to 150 Mbps.
The features are as below:
Supports Wake-on-WLAN (WoWLAN)
Supports ad hoc mode
Supports WAPI SMS4 hardware encryption
Supports AP mode
Supports Wi-Fi Direct
Supports 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 series.
Table 29: Wi-Fi Transmitting Performance
Standard Rate Output Power
2.4 GHz
802.11b 1 Mbps 16 dBm ±2.5 dB
802.11b 11 Mbps 16 dBm ±2.5 dB
802.11g 6 Mbps 16 dBm ±2.5 dB
802.11g 54 Mbps 14 dBm ±2.5 dB
802.11n HT20 MCS0 15 dBm ±2.5 dB