Features 1.This product is made of high quality PCB material, strong and durable. 2.Adopting high craft, carefully welding, precise hole position, complete functions. 3.Compliant with FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC WiFi standards, communication distance up to 300m. 4.For ESPRESSIF-ESP32240MHzXtensa single/dual-core 32-bit LX6 microprocessor for stable operation and powerful performance. 5.It is very easy to install and does not require particularly complicated operations. specificationFeatures:_x000D_ _x000D_ This product is made of high quality PCB material, strong and durable. _x000D_ Adopting high craft, carefully welding, precise hole position, complete functions. _x000D_ Compliant with FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC WiFi standards, communication distance up to 300m. _x000D_ For ESPRESSIF-ESP32240MHzXtensa single/dual-core 32-bit LX6 microprocessor for stable operation and powerful performance. _x000D_ It is very easy to install and does not require particularly complicated operations. _x000D_ _x000D_ :_x000D_ Material: PCB_x000D_ Size: Approx. 78.83mmx28.92mmx8.06mm/3.10x1.14x0.32inch_x000D_ Weight: Approx. 11.77g_x000D_ Hardware s:_x000D_ Chipset: For ESPRESSIF-ESP32 240MHz Xtensa single-/dual-core 32-bit LX6 microprocessor_x000D_ Flash: For QSPI flash 4MB / PSRAM 8MB_x000D_ SRAM: 520 kB SRAM_x000D_ Button: Reset_x000D_ USB to TTL: CP2104_x000D_ Modular Interface: UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA pre-amplifier_x000D_ On-board Clock: 40MHz crystal oscillator_x000D_ Working Voltage: 2.7V-3.6V_x000D_ Working Current: About 70mA_x000D_ Sleep Current: Approx. 300uA_x000D_ SIM Card: Only supports Nano SIM card_x000D_ Working Temperature Range: -40-+85_x000D_ Power Supply s:_x000D_ Power Supply: USB 5V/1A_x000D_ Charging Current: 500mA_x000D_ Battery: 3.7V lithium battery_x000D_ JST Connector: 2Pin 1.25mm/0.05inch_x000D_ USB: Type-C_x000D_ Wi-Fi Standard: FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC(For ESP32 chip)_x000D_ Protocol: 802.11 b/g/n (802.11n, speed up to 150Mbps) A-MPDU and A-MSDU polymerization, support 0.4S Protection interval_x000D_ Frequency Range: 2.4GHz-2.5GHz (2400M-2483.5M)_x000D_ Transmit Power: 22dBm_x000D_ Communication Distance: Approx. 300m/984.25ft_x000D_ Bluetooth Protocol: Meet bluetooth v4.2BR/EDR and BLE standard_x000D_ Radio Frequency: With -97dBm sensitivity NZIF receiver Class-1, Class-2&Class-3 emitter AFH_x000D_ Audio Frequency: CVSD&SBC audio frequency_x000D_ Software :_x000D_ Wi-Fi Mode: Station/SoftAP/SoftAP+Station/P2P_x000D_ Security Mechanism: WPA/WPA2/WPA2-Enterprise/WPS_x000D_ Encryption Type: AES/RSA/ECC/SHA_x000D_ Firmware Upgrade: UART download/OTA(Through network/host to download and write firmware)_x000D_ Software Development: Support cloud server development /SDK for user firmware development_x000D_ Networking Protocol: IPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTT_x000D_ User Configuration: AT + Instruction set, cloud server, for Android/iOS app_x000D_ OS: For FreeRTOS_x000D_ _x000D_ Package List:_x000D_ 1 x Module_x000D_ 1 x Power Cable_x000D_ 2 x Pin_x000D_ 1 x FPC Antenna_x000D_ _x000D_ _x000D_ _x000D_ Note:_x000D_ Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. PackageList