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PRODUCT USER GUIDE
3.1.4. Wi-Fi
• IEEE 802.11 1T1R a/b/g/n/ac/ax 5GHz and 2.4GHz bands
• Supports 1x1 20MHz bandwidth, MCS0~8(256-QAM) in 2.4G/5GHz band
• Support uplink MU-OFDMA TX and downlink MU-OFDMA RX
• Support TX LDPC (Low-density parity check)
• Support RX STBC
• Wi-Fi security WFA WPA/WPA2/WPA3 personal
• QOS supports of WFA WMM
• Support CSI (Channel Signal Information)
3.1.5. Bluetooth
• BT5.0 2M_PHY / Long Range / Advertising Extension / SAM / CS#2 / High Duty Cycle
Non-Connectable ADV
• BT4.2 Link Layer Privacy / LE Secure Connection / LE Data Packet Length Extension / Link Layer
Extended Scanner Filter Policies
• BT4.1 Link Layer Topology / Secure Connection
• BT4.0 BLE only mode
• Up to 8 BLE links
• Packet loss concealment
• Channel quality driven data rate adaptation
• Channel assessment and WB RSSI for AFH
• Supports Bluetooth/Wi-Fi coexistence
3.1.6. Miscellaneous
• Embedded eFuse to store specific device information and RF calibration data.
• Advanced TDD mode Wi-Fi/Bluetooth coexistence scheme.
www.acsip.com.tw
Product Name
Version
Doc No
Date
Page
EK-AI7931LD
E
912-13802
2022/11/14
9 / 26
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