Quectel FGM842D Wi-Fi 4 & BLE 5.2 Module Compact LGA Package - SATRON electronics
Quectel FGM842D
Wi-Fi 4 & Bluetooth 5.2 Module
  • LGA form factor
  • FGM842D: 12.5mm × 13.2mm × 1.8mm
  • FGM842D-P: 16.6mm × 13.2mm × 1.8mm
  • FGM842D: 1.05g
  • FGM842D-P: 1.14g
  • Operating temperature range: -40℃ to +105℃
  • Storage temperature range: -45℃ to +115℃

FGM842D is a series of cutting-edge MCU Wi-Fi and Bluetooth modules launched by Quectel. It boasts a high-performance processor (ARM968) with a frequency of up to 160MHz and supports IEEE 802.11b/g/n protocol and BLE 5.2. The module features built-in 288KB RAM and 2MB flash, ensuring efficient performance.

The module is in an LGA form factor with an ultra-compact package size, which optimizes the size and cost for end-products and is compatible with diverse designs.

The module complies with WPA-PSK, WPA2-PSK and WPA3-SAE security standards, supports TRNG (True Random Number Generator) and AES-128 encryption algorithm, and supports secure firmware and flash encryption.

The module supports UART and GPIO interfaces by default and supports SPI, I2C, ADC and PWM functions in QuecOpen® solution and many low power consumption modes and keep-alive mechanisms, which provide flexibility and versatility for a range of applications, especially in smart homes and industrial IoT scenarios.

The module supports QuecOpen® solution and standard AT commands, with a compact protocol, and can realize efficient product development for customers.

Key features

  • Wi-Fi 4 module, single band (2.4GHz) Wi-Fi, 1 × 1 antenna
  • Bluetooth Low Energy (BLE 5.2)
  • Built-in 288KB RAM and 2MB flash
  • Supports IEEE 802.11b/g/n
  • Supports up to 19 GPIOs for SPI, I2C, ADC and PWM interfaces in QuecOpen® solution
  • RF coaxial connector, pin antenna interface, PCB antenna (optional)
  • Wide operating temperature range
Quectel FGM842D Series FGM842D FGM842D-P
WLAN Protocol IEEE 802.11b/g/n IEEE 802.11b/g/n
Wi-Fi Frequency Band 2.4 GHz 2.4 GHz
Wi-Fi Modulation Mode DSSS/ CCK/ BPSK/ QPSK/ 16QAM/ 64QAM DSSS/ CCK/ BPSK/ QPSK/ 16QAM/ 64QAM
Wi-Fi Operating Mode AP/ STA AP/ STA
Bluetooth Protocol BLE 5.2 BLE 5.2
Encryption Mode WPA-PSK/ WPA2-PSK/ WPA3-SAE/ AES-128/ TRNG WPA-PSK/ WPA2-PSK/ WPA3-SAE/ AES-128/ TRNG
Internet Protocol IPv4, IPv6 IPv4, IPv6
Kernel ARM968 (up to 160 MHz) ARM968 (up to 160 MHz)
RAM 288 KB 288 KB
Flash 2 MB 2 MB
Dimensions 12.5 mm × 13.2 mm × 1.8 mm 16.6 mm × 13.2 mm × 1.8 mm
Weight Approx. 1.05 g Approx. 1.14 g
Temperature Range
Operating Temperature -40 °C to +105 °C -40 °C to +105 °C
Storage Temperature -45 °C to +115 °C -45 °C to +115 °C
Certification
Regulatory Europe: CE
America: FCC
Canada: IC
China: SRRC
Australia/New Zealand: RCM
Europe: CE
America: FCC
Canada: IC
China: SRRC
Australia/New Zealand: RCM
Interfaces
Other Interfaces UART/ GPIO/ SPI/ I2C/ ADC/ PWM UART/ GPIO/ SPI/ I2C/ ADC/ PWM
Antenna Interface × 1 (RF coaxial connector or pin antenna interface) (optional) × 1 (PCB antenna)
Electrical Features
Power Supply Voltage 3.0 V–3.6 V, Typ.3.3 V 3.0 V–3.6 V, Typ.3.3 V
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