Quectel AF31G Automotive Grade Wi-Fi 5 & Bluetooth 5.0 Module Compact LGA Package - SATRON electronics
Quectel AF31G
Automotive Grade Wi-Fi 5 & Bluetooth 5.0 Module
  • IEEE802.11 a/b/g/n/ac/ax Standard
  • 2.4/5 GHz dual-band
  • Bluetooth 5.0
  • -40 to +85 ℃ 
  • Size 23×23×3 mm

AF31G is an automotive grade Wi-Fi 5 and Bluetooth 5.0 module with high performance. It is designed to be used together with Quectel automotive AG52xR series module to establish WLAN and Bluetooth connections, supporting 2 × 2 MIMO.

With a compact and unified form factor of 23.0 mm × 23.0 mm × 3.0 mm, AF31G is an ideal Wi-Fi & Bluetooth solution for size-sensitive applications, and helps customers reduce product size and optimize application design cost. The surface-mount technology enhances its durability and robustness, and the LGA package makes sure the module can be easily embedded into size-constrained applications and provide reliable connectivity with these applications. The advanced package allows for large-scale automated manufacturing which has strict requirements on cost and efficiency.

Designed with a reliable PCIe 2.0 (or SDIO 3.0) interface to provide WLAN capability, AF31G achieves low-power and high-speed data transmission. Coupled with its compact size and wide temperature range, AF31G enables the module to meet Wi-Fi/Bluetooth + LTE-A application design requirements in automotive industry.

Key Benefits

  • Automotive grade Wi-Fi & Bluetooth module supporting 2.4 GHz and 5 GHz Wi-Fi and Bluetooth 5.0
  • Support 2 × 2 MIMO
  • Support PCIe 2.0 (or SDIO 3.0), PCM and UART interfaces which provide higher data transmission rate and lower power consumption
  • Good co-existence with Quectel LTE-A module
    Ideal for automotive market applications with IATF 16949: 2016 requirement, compliant with automotive quality processes such as APQP and PPAP
  • Wide operating temperature range meets the demanding requirements for automotive devices
  • Fast time-to-market: simple design minimizes design-in time and development efforts
Wi-Fi 5 & Bluetooth 5.0 AF31G
Region Global
Function Wi-Fi 2.4 GHz/ 5 GHz; Bluetooth 5.0
WLAN IEEE 802.11a/ b/ g/ n/ ac
Modulation Mode Wi-Fi: BPSK, QPSK, CCK, 16QAM, 64QAM, 256QAM
Bluetooth: GFSK, 8-DPSK, π/4-DQPSK
Temperature Range
Operating Temperature Range -40 °C to +85 °C
Max. Data Rate
802.11a 54 Mbps
802.11b 11 Mbps
802.11g 54 Mbps
802.11n 300 Mbps
802.11ac 866 Mbps
BLE (Bluetooth 5.0) 1 Mbps
Interfaces
PCIe 2.0/ SDIO 3.0① × 1
PCM × 1
UART × 1
Coexistence Interface × 1
Antenna Interfaces ANT_WIFI0/ BT: 2.4 GHz/ 5 GHz Wi-Fi and Bluetooth antenna interface
ANT_WIFI1: 2.4 GHz/ 5 GHz Wi-Fi antenna interface
Electrical Features
Power Supply Voltage VDD_PA: 3.14–3.46 V, Typ. 3.3 V
I/O Power Supply Voltage VDD_IO: 1.71–1.89 V, Typ. 1.8 V
Certification
Regulatory Europe: CE
America: FCC
China: SRRC
Others Bluetooth
General Features
Encryption Mode WPA3
Max. Access Points 10
Operating Modes AP, STA, P2P, AP + P2P, STA + P2P, AP + STA, AP + AP
Dimensions 23.0 mm × 23.0 mm × 3.0 mm
Weight Approx. 3.11 g
RF Performance
2.4 GHz Receiver Sensitivity (Typ.) Transmit Power (Typ.)
802.11b/ 1 Mbps < -85 dBm 17 dBm
802.11b/ 11 Mbps < -79 dBm 17 dBm
802.11g/ 6 Mbps < -85 dBm 17 dBm
802.11g/ 54 Mbps < -68 dBm 15 dBm
802.11n/ HT20 MCS 0 < -85 dBm 17 dBm
802.11n/ HT20 MCS 7 < -67 dBm 13 dBm
802.11n/ HT40 MCS 0 < -82 dBm 16 dBm
802.11n/ HT40 MCS 7 < -64 dBm 13 dBm
5 GHz
802.11a/ 6 Mbps < -82 dBm 13 dBm
802.11a/ 54 Mbps < -65 dBm 8 dBm
802.11n/ HT20 MCS 0 < -82 dBm 14 dBm
802.11n/ HT20 MCS 7 < -64 dBm 8 dBm
802.11n/ HT40 MCS 0 < -79 dBm 13 dBm
802.11n/ HT40 MCS 7 < -61 dBm 8 dBm
802.11ac/ VHT20 MCS 0 < -82 dBm 13 dBm
802.11ac/ VHT20 MCS 8 < -59 dBm 8 dBm
802.11ac/ VHT40 MCS 0 < -79 dBm 12 dBm
802.11ac/ VHT40 MCS 9 < -57 dBm 7 dBm
802.11ac/ VHT80 MCS 0 < -76 dBm 12 dBm
802.11ac/ VHT80 MCS 9 < -51 dBm 7 dBm
BLE
BR (GFSK) < -80 dBm 4 dBm
EDR (π/4-DQPSK) < -80 dBm 2 dBm
EDR (8-DPSK) < -80 dBm 2 dBm
BLE (1 Mbps) < -80 dBm 2 dBm

NOTE:
①: You can select the module variant supporting PCIe 2.0 or the module variant supporting SDIO 3.0 for Wi-Fi function. Contact Quectel Technical Support for details.