EC200U C4 P01 Development Board Pocket LTE Cat 1 Bluetooth Telecommunication GNSS Positioning 40PIN GPIO Interface Mainboard for Computer EC200U AU C4 P01 Item Type: EC200U C4 P01 Development Board Material: PCB LTE TDD: B38 B40 B41 GSM: B2 B3 B5 B8 GNSS: for GPS, for GLONASS, for BDS, for Galileo, for QZSS Bluetooth: 4.2 (BR EDR) Wireless Fidelity Scan: 2.4 GHz 11b (Rx) LTE FDD: 10 Mbps downlink; 5 Mbps uplink LTE TDD: 8.96 Mbps downlink; 3.1 Mbps uplink NB IoT: Not Supported Cat M: Not Supported GSM: downlink 85.6 Kbps; uplink 85.6 Kbps Telecommunication Protocols: TCP, UDP, PPP, NITZ, FILE, MQTT, NTP, HTTP, HTTPS, SSL, FTP, FTPS, CMUX, MMS SIM Card: Nano SIM and eSIM Dual SIM Single Mode (Not Included) Indicator Light: P01: Module Pin 1, Default is EC200A XX PWM0 P05: Module Pin 5, for NET_MODE Indicator SCK1: SIM1 Detection Indicator, on when SIM1 Card Is Inserted SCK2: SIM2 Detection Indicator, on when SIM2 Card Is Inserted PWR: Power Indicator Key Switch: PWK: Power On Off Button RST: Reboot Button BOOT: Force Download Button USB ON OFF: USB Detection Switch Antennae Interface: LTE Main Antennae, Diversity Antennae, Wireless Fidelity Antennae (Scanning Only), Bluetooth Antennae, GNSS Antennae