Meshtastic Heltec V4 0.96inch OLED Solar Powered LoRa 32 V4 Dev-Board GPS ESP32 SX1262 WiFi BLE Low Power for IoT Base on ESP32-S3R2 & SX-1262, supports Wi-Fi b/g/n, BLE, and LoRa communication. 2MB PSRAM and 16MB external Flash, more suitable for UI and complex system. High-power version with LoRa transmission power increased to 27±1dBm. Form factor and pin compatibility with WiFi LoRa 32 V3. PC casing protects the screen and integrates FPC 2.4G antenna. Added SH1.25-2P solar panel interface. Optimized lithium battery management. Added SH1.25-8Pin GNSS interface. USB Type-C interface with integrated voltage regulation, ESD protection, short-circuit protection, and RF isolation design; Low power consumption is less than 20μA. WiFi LoRa 32 V4 is a fully upgraded version of the classic LoRa development board. Building upon the powerful features of its predecessors, the V4 version introduces comprehensive optimizations in Transmit Power, power management, expandability and other hardware design. It is suitable for various IoT applications such as smart cities, agricultural monitoring, smart homes, industrial control, security systems, and wireless meter reading, providing developers with a more efficient and flexible development experience. Parameters: MCU:ESP32-S3R2 Frequency: 863-928MHz Flash:16MB (external) USB to Serial Chip:Removed CP2102 Power Management:Upgraded IC supporting solar input Solar Input:Added SH1.25-2P interface LoRa TX Power:28±1dBm 2.4G Antenna:FPC antenna + IPEX connector GPS Interface:Added SH1.25-8Pin interface Peripheral I/F:40-pin Screen Connection:Soldered + B2B connector Pin Craft:Gold-plated Screen Bracket:Full protection Color: Black Material: PCB Package Contents: 1*WiFi LoRa 32 V4 1*GPS Module 1*Spring Antenna 1*Glue Rod Antenna 1 set of accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.