1.Introduction
Fn-Link Technology would like to announce a low-cost and low-power consumption module which has all of the Wi-Fi functionalities.
It is a highly-integrated IEEE 802.11 a/b/g/n/ac MAC/Baseband/RF WLAN single chip. For Wireless LAN(WLAN)operation.
The integrated module provides SDIO interface for Wi-Fi . The module provides simple legacy and 20MHz/40MHz/80MHz
co-existence mechanisms to ensure backward and network compatibility.
The wireless module complies with IEEE 802.11 a/b/g/n/ac standard and it can achieve up to a speed of 433.3Mbps
with single stream in 802.11ac draft to connect to the wireless LAN.
The integrated module provides SDIO interface for Wi-Fi, UART / PCM interface for Bluetooth.
This compact module is a total solution for a combination of Wi-Fi + BT technologies.
The module is specifically developed for Smart phones and Portable devices.
2.Features
Highly integrated wireless local area network(WLAN) system-on-chip (SOC) for 5 GHZ 802.11ac, or 2.4G/5G 802.11n WLAN applications.
Supports 20/40MHz at 2.4GHz and supports 20/40/80MHz at 5GHz.
Supports low power SDIO3.0 interface for WLAN and UART/PCM interface forBluetooth.
Supports Bluetooth V4.2+HS, BLE and be backwards compatible with Bluetooth 1.2, 2.X+ enhance data rate.
Supports WLAN-Bluetooth coexistence.
Supports Bluetooth for class1 and class2 power level transmissions without requiring an external PA.
BT host digital interface:
- HCI UART (up to 4 Mbps)
- PCM for audio data
3. Block Diagram
4. Ordering Information
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Part No.
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Description
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FG6221ASRC-00
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RTL8821CS, a/b/g/n/ac, Wi-Fi+BLE4.2, 1T1R, 12X12mm, SDIO +Uart,
PCB V1.0
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FG6221ASRC-0L
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RTL8821CS, a/b/g/n/ac, Wi-Fi+BLE4.2, 1T1R, 12X12mm, SDIO +Uart,
PCB V1.0 (without C33)
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Audited Supplier 
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