Quectel FCS861X Wi-Fi 6 & Bluetooth 5.4 Module Ultra-compact LCC Package - SATRON electronics
Quectel FCS861X
Wi-Fi 6 & Bluetooth 5.4 Module Ultra-compact LCC Package
  • Max. data rate of 1201Mbps
  • LCC form factor
  • 15.0mm × 13.0mm × 2.0mm
  • Approx. 0.73g
  • Operating temperature range of -20°C to +80°C

The FCS861X is a high-performance Wi-Fi 6 and Bluetooth 5.4 module in LCC package featuring 2T2R. It can be used for WLAN and Bluetooth connectivity, delivering a maximum data rate of 1201Mbps. The module also supports Bluetooth LE Audio.

With an ultra-compact size of 15.0mm x 13.0mm x 2.0mm, the module optimizes the size and cost for end-products, which fully meets the demands of size-sensitive applications.

Surface-mount technology (SMT) makes the FCS861X an ideal solution for durable and rugged designs. The low profile and small size of the LCC package ensure that the FCS861X can be easily embedded into size-constrained applications and provide reliable connectivity in these applications.

The advanced package and the laser-engraved label with better heat dissipation and indelible markings allow for large-scale automated manufacturing that has strict requirements on cost and efficiency. Coupled with its compact size, low power consumption and high reliability, the FCS861X can meet various needs of commercial applications.

Key features

  • 2.4GHz/5GHz Wi-Fi bands and Bluetooth 5.4
  • SDIO 3.0 or USB 2.0 interface (optional)
  • Faster time-to-market: simple design minimizes design-in time and development efforts
  • Wide operating temperature range: -20°C to +80°C
  • Bluetooth LE Audio
Wi-Fi 6 & Bluetooth 5.4 FCS861X
WLAN Protocol IEEE 802.11 a/ b/ g/ n/ ac/ ax
Wi-Fi Frequency Band 2.4 GHz/ 5 GHz
Wi-Fi Antenna 2 × 2
Wi-Fi Modulation Mode DBPSK/ DQPSK/ CCK/ BPSK/ QPSK/ 16QAM/ 64QAM/ 256QAM/ 1024QAM/ OFDMA
2.4 GHz Channel Bandwidth 20 MHz/ 40 MHz
5 GHz Channel Bandwidth 20 MHz/ 40 MHz/ 80 MHz
Encryption Mode WPA3
Wi-Fi Operating Mode AP/ STA
Bluetooth Protocol Bluetooth 5.4
Dimensions 15.0 mm × 13.0 mm × 2.0 mm
Weight Approx. 0.73 g
Temperature Range
Operating Temperature -20 °C to +80 °C
Physical Rate (Max.)
802.11a 54 Mbps
802.11b 11 Mbps
802.11g 54 Mbps
802.11n 300 Mbps
802.11ac 866.7 Mbps
802.11ax 1201 Mbps
Interfaces
SDIO 3.0 ① × 1 (for Wi-Fi)
USB 2.0 ① × 1 (for Wi-Fi/ Bluetooth)
PCM × 1 (for Bluetooth)
UART ① × 1 (for Bluetooth)
Wi-Fi/ Bluetooth Antenna × 1 (ANT_WIFI0/ BT ②)
Wi-Fi Antenna × 1 (ANT_WIFI1)
Bluetooth Antenna × 1 (ANT_BT) (optional)
Electrical Features
Power Supply Voltage VBAT: 3.0–3.6 V, Typ. 3.3 V
I/O Supply Voltage VDD_IO: 1.71–3.465 V, Typ. 1.8/ 3.3 V
Power Consumption Max. current at Tx mode:
231.72 mA @ VBAT
0.11 mA @ VDD_IO
Certifications
Regulatory (Planning) Europe: CE
America: FCC
China: SRRC
Canada: IC
Australia/ New Zealand: RCM

NOTE:
1. ①: The module supports Wi-Fi applications via SDIO or USB interfaces, and Bluetooth applications via UART or USB interfaces. Please select the corresponding module model based on actual requirements. For more details, please contact Quectel Technical Support.
2. ②: ANT_WIFI0/BT serves as Wi-Fi and Bluetooth shared antenna and ANT_BT is kept unconnected in two-antenna solution. Exclusive Bluetooth antenna is supported in three-antenna solution with ANT_WIFI0/BT only served as Wi-Fi antenna.

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