Operating voltage: 3.3V Communication interface: I2C Logic level: 3.3V LSF0204PWR:?4-ch voltage level translator RT9193-18:?1.8V linear regulator RT9193-33:?3.3V linear regulator
MAX705 monitoring circuit with auto-reset function Incorporates DS3231SN high precision RTC chip, with backup battery holder Reset pin selection for switching watchdog
Supports SMS, phone call, GPRS, TCP/IP, DTMF, HTTP, FTPl, etc. UART interface, for connecting controller boards like Arduino/STM32 Onboard voltage translator, 3.3V by default, switch to 5V via jumper 2x LED indicators, easy to monitor the working status SIM card slot, supports 1.8V/3V SIM card
Supports Raspberry Pi 3B+/4B, compatible with the Raspberry Pi official case PoE (Power Over Ethernet) capability, IEEE 802.3af-compliant Fully isolated switched-mode power supply (SMPS) Smaller and more flexible with a more compact component layout
Main Controller? Rp2040 Communication Interface Uart + Gpio Communication Baud Rate 115200bps By Default (Configurable) Power Supply Interface USB Port Or Ph2.0 Connector USB Power Input Voltage 5v
POWER INPUT: 7-36V STORAGE: MicroSD card socket for Compute Module 4 Lite (without eMMC) variants FAN: allows speed adjustment and measurement, 5V / 12V INDICATOR: M.2 status LED CM4: status LED
