Feature:1. Professional Design: EC200U LTE Cat 1 wireless telecommunication module, multi mode and multi band; onboard 40PIN GPIO interface, compatible with most of the for RPi HAT expansion boards.2. Protocol Support: Development board supports TCP, UDP, PPP, NITZ, FILE, MQTT, NTP, HTTP, HTTPS, SSL, FTP, FTPS, CMUX, MMS and other protocols.3. GNSS Positioning, LED Indicator: GNSS positioning (for GPS, for GLONASS, for BDS, for Galileo, for QZSS); 5 LEDs on board for easy checking of module running status.4. Onboard: Development board with onboard Nano SIM and eSIM slots, dual card single mode; onboard MIPI interface, support MIPI screen, compatible with for RPi peripherals.5. Camera Interface: Support customized SPI camera, support 0.3MP; provide plug in tools such as for QPYcom, for Thonny IDE, for VSCode, etc., which is convenient for learning and development.Specification:Item Type: EC200U C4 P01 Development BoardMaterial: PCBLTE TDD: B38 B40 B41GSM: B2 B3 B5 B8GNSS: for GPS, for GLONASS, for BDS, for Galileo, for QZSSBluetooth: 4.2 (BR EDR)Wireless Fidelity Scan: 2.4 GHz 11b (Rx)LTE FDD: 10 Mbps downlink; 5 Mbps uplinkLTE TDD: 8.96 Mbps downlink; 3.1 Mbps uplinkNB IoT: Not SupportedCat M: Not SupportedGSM: downlink 85.6 Kbps; uplink 85.6 KbpsTelecommunication Protocols: TCP, UDP, PPP, NITZ, FILE, MQTT, NTP, HTTP, HTTPS, SSL, FTP, FTPS, CMUX, MMSSIM Card: Nano SIM and eSIM Dual SIM Single Mode (Not Included)Indicator Light:P01: Module Pin 1, Default is EC200A XX PWM0P05: Module Pin 5, for NET_MODE IndicatorSCK1: SIM1 Detection Indicator, on when SIM1 Card Is InsertedSCK2: SIM2 Detection Indicator, on when SIM2 Card Is InsertedPWR: Power IndicatorKey Switch:PWK: Power On Off ButtonRST: Reboot ButtonBOOT: Force Download ButtonUSB ON OFF: USB Detection SwitchAntennae Interface: LTE Main Antennae, Diversity Antennae, Wireless Fidelity Antennae (Scanning Only), Bluetooth Antennae, GNSS Antennae.Package List:1 x Development Board1 x USB Cable1 x Connecting Cable1 x AntennaeNote:Consult with the operator to verify if the device supports the frequency bands.