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
Center female pin header for direct attaching the Raspberry Pi Pico. Extra USB connector for external power supply. Immersion Gold Process Black Base Panel, White Pinout Labels, Golden Rounded Outline, Stunning Aesthetic
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
MAX705 monitoring circuit with auto-reset function Incorporates DS3231SN high precision RTC chip, with backup battery holder Reset pin selection for switching watchdog
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
LTE Cat-4, 3G, 2G Frequency Bands. LTE Cat-4: Up To 50Mbps (Uplink) / Up To 150Mbps (Downlink). 3G (HSPA+): Up To 5.76Mbps (Uplink) / Up To 42Mbps (Downlink). MP2128DT, MP1482 power chip NAU8810 audio decoder TXS0108EPWR voltage translator Satellite Bands: GPS/Beidou/GLONASS. Supports echo cancellation, noise reduction.
