Feature

Power Specifications
Working Voltage: 5v input
Solar input voltage range：4.4-6v
Working Curent: About 200mA
Charging Current: 780mA
Battery Model: 18650
Battery Holder Model: 18650 battery holder
JST Connector: 2pin 2mm
USB: TYPE-C 3.0

Wi-Fi
Standard ：FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC
Protocol ：802.11 b/g/n(802.11n，speed up to150Mbps)A-MPDU and A-MSDU polymerization，support 0.4μS Protection interval
Frequency ：range 2.4GHz~2.5GHz(2400M~2483.5M)
Transmit Power ：22dBm
Communication distance : 300m

Bluetooth
Protocol meet BT: v4.2BR/EDR and BLE standard
Radio Frequency : with -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH
Audio Frequency : CVSD&SBC audio frequency

Software Specification
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）
Software Development : Support cloud server development /SDK for user firmware development
Networking Protocol : IPv4、IPv6、SSL、TCP/UDP/HTTP/FTP/MQTT
User Configuration : AT + Instruction set, cloud server, android/iOSapp
OS : FreeRTOS