Welcome to Our Store! 1、Standard FCC/CE‑RED/IC/TELEC/KCC/SRRC/NCC (ESP 32-Chip). Protocol 802.11 b/g/n (802.11n up to 150 Mbps). Supports A-MPDU and A-MSDU Aggregation. Supports 0.4μS Protection Interval. 2、Frequency Range 2.4GHz-2.5GHz (2400M-2483.5M). Transmission Power 22dBm. Communication Range Approximately 300m/384.3ft. 3、Protocol Supports Bluetooth V4.2BR/EDR and BLE Standard. Radio Frequency with -97dBm Sensitivity NZIF Receiver. Class-1, Class-2 & Class-3 Transmitters AFH. Audio Frequency CVSD&SBC Audio Frequency. 4、Wi-Fi Mode Station/SoftAP/SoftAP+Station/P2P. Security Mechanism WPA/WPA2/WPA2-Enterprise/WPS. Encryption Type AES/RSA/ECC/SHA. Firmware Upgrade UART Download/OTA（Through Network/Host to Download and Write Firmware） 5、Software Development Supports Cloud Server Development/SDK for User Firmware Development. Network Protocol IPv4、IPv6、SSL、TCP/UDP/HTTP/FTP/MQTT. User Configuration AT + Instruction Set, Cloud Server for Android/iOS App/OS X/FreeRTOS. Product Type: Ethernet Adapter Hardware Material: For PCB Color: As Shown in Images Weight: Approximately 31 g/1.1 oz Chipset: ESPRESSIF-ESP32-WROOM LAN8720A Ethernet Chip SI 3404 Power Management Chip Flash: 4MB pSRAM: 8MB SRAM: 520 kB SRAM Button: BOT Rest External Device: Small Memory Card Slot Type-C Interface PA2369NL 1825-S Transformer HR861153C Ethernet-POE Interface USB to TTL: CP2104 Module Interface: Memory Card UART SPI I2C PWM I2S ADC Built-in Clock: 32.768 MHz Crystal Oscillator Operating Temperature Range: -40℃-+85℃ Power Supply Input: Type-C 5V HR861153C Ethernet-POE Interface 50V Working Voltage: 2.7V-3.6V Maximum Output Current: Approximately 1.2A Charging Current: 500mA Interface: Type-C Customer Service Note: Customers Are Our Highest Priority. If You Discover Any Issues With Your Product After Receiving It Such as Damage or Incorrect Quantity, Please Contact Us Immediately. We Strive to Provide You With the Best After-Sales Service.