2.4GHz/5GHz WiFi + Bluetooth Combination Module

  • Qualcomm Atheros QCA9377-3
  • Single-die wireless local area network (WLAN) and Bluetooth (BT) combination solution
  • Supports 1×1 IEEE 802.11a/b/g/n/ac WLAN standards
  • Provides a highly integrated WLAN system-onchip (SoC) for 5GHz 802.11ac, or 2.4GHz/5GHz 802.11n WLAN applications
  • Supports Bluetooth 5.0 + HS, BLE, and ANT+ and backward compatibility with BT 1.x, BT 2.x, and BT4.2 + Enhanced Data Rate
  • Supports 20/40MHz at 2.4GHz and supports
  • 20/40/80MHz at 5GHz
  • Supports multiuser MIMO
  • Supports BT-WLAN coexistence and ISM-LTE coexistence

Specifications Table

Product Type Wireless Module
Chipset QCA9377-3
WLAN Wireless Standard 802.11n, 802.11ac, 802.11a, 802.11b, 802.11g
MIMO Channels 1×1
Output (Per Chain) 16dBm
WLAN Frequency Range 2.412 ~ 2.472 GHz, 5.18 ~ 5.925 GHz
Wireless Speed 433Mbps
WLAN Host Interface Low-power SDIO 3.0
Bluetooth Frequency Range 2.402 ~ 2.480 GHz
Bluetooth Host Interface UART/PCM
Operating Voltage 3.3V DC power supply and I/O supply of 1.8V or 3.3V
Certification CE RED, REACH & RoHS Compliance
Temperature Range Operating: -20ºC to 70ºC, Storage: -40ºC to 90ºC
Humidity Operating: 5% to 95% (non-condensing)
Dimension (W x H x D) 12mm x 12mm x 1.7mm


2.4GHz  (Per Chain)
Data Rate TX Power RX Sensitivity
802.11b 1Mbps 16dBm -97dBm
11Mbps 16dBm -90dBm
802.11g 6Mbps 15dBm -92dBm
54Mbps 13dBm -76dBm
11n HT20 MCS 0 14dBm -92dBm
MCS 8 13dBm -71dBm
11n HT40 MCS 0 14dBm -89dBm
MCS 9 13dBm -67dBm


5GHz  (Per Chain)
Data Rate TX Power RX Sensitivity
802.11a 6Mbps 11dBm -92dBm
54Mbps 10dBm -75dBm
11n/ac VHT20 MCS 0 11dBm -92dBm
MCS 7 7dBm -74dBm
11n/ac VHT40 MCS 0 10dBm -89dBm
MCS 8 6dBm -70dBm
11n/ac VHT80 MCS 0 9dBm -86dBm
MCS 9 6dBm -62dBm


Country Certification
USA REACH Compliance
EU CE RED, RoHS Compliance

For any other certification needs, please contact us at


WSD377 Datasheet

WSD377 Evaluation Kit Datasheet

WSD377 Hardware Guide