Particle B404XMEA 系统模块 - SOM B系列 LTE CAT-M1（北美，EtherSIM），[x1]

Frequency: 64 MHz, 700 MHz, 750 MHz, 800 MHz, 850 MHz, 900 MHz, 1.7 GHz, 1.9 GHz, 2.4 GHz

Dimensions: 42 mm x 30 mm x 5.5 mm

Installed RAM: 256 kB

Interface Type: Bluetooth, GPIO, I2C, JTAG, PWM, SPI, UART, USB 2.0

Processor Type: nRF52840

Processor Brand: Nordic, u-blox

Maximum RAM Capacity: 256 kB

Operating Supply Voltage: 3.6 V to 4.2 V

Maximum Operating Temperature: + 65 C

Minimum Operating Temperature: - 20 C