Features: Perfect Arduino-Compatible; CE and FCC certification; Based on ASR6502, those chips are already integrated the P SoC 4000 series MCU and SX1262; LoRaWAN 1.0.2 support; Ultra low power design, 3.5uA in deep sleep; Onboard solar energy management system, can directly connect with a 5.5~7V solar panel; Onboard SH1.25-2 battery interface, integrated lithium battery management system(charge and discharge management, overcharge protection, battery power detection, USB / battery power automatic switching); Micro USB interface with complete ESD protection, short circuit protection, RF shielding, and other protection measures; Integrated CP2102 USB to serial port chip, convenient for program downloading, debugging information printing; Good impedance matching and long communication distance; Onboard 0.96-inch 128*64 dot matrix OLED display, which can be used to display debugging information, battery power, and other information. Parameter: Master Chip: ASR6502 LoRa Chipset: SX1262 USB to Serial Chip: CP2102 Frequency: 863~923 MHz Max TX Power: 22 ± 1 dBm Receiving Sensitivity: -135 dBm Solar Energy: 5.5~7V solar panel Low Power: Deep Sleep 3.5µA Hardware Resource: UART x 2; SPI x 2; I2C x 2; SWD x 1; 12-bits ADC input x 3; 8–channel DMA engine Memory: 128KB internal FLASH; 16KB internal SRAM Interface: Micro USB x 1; LoRa Antenna interface(IPEX) x 1; 15 x 2.54 pin x 2+2 x 2.54 pin x 3 Battery: 3.7V Lithium(SH1.25 x 2 socket) Operating Temperature: -20 ~ 70 ? Dimensions: 51.9 x 25 x 8 mm Display Size: 0.96-inch OLED Package Content: 1 * SX1262 LoRa Module 1 * Antenna 1 * Battery Power Cord See more

OLED Display: Onboard 0.96-inch 128*64 dot matrix OLED display, which can be used to display debugging information, battery power, and other information. Safety Protection: Micro USB interface with complete ESD protection, short circuit protection, RF shielding and other protection measures. Multiple Power Supply: Onboard solar energy management system,can connect with a 5.5~7V solar panel; onboard SH1.25-2 battery interface, integrated lithium battery management system (charge and discharge management,overcharge protection,battery power detection,USB/battery power automatic switching). Perfect Circuit Design: Based on ASR6502, integrated SX1262 and P SoC 4000 series MCU, can perfectly support Ar duino and run the LoRa WAN 1.0.2 protocol stably; integrated CP 2102 USB to serial port chip, convenient for program downloading, debugging information printing. LoRa Dev Board Plus: HTCC-AB02 is the newest development board, ultra low power, developers friendly, easy to verify communication solutions.