Heltec Mesh Node T114 V2 Dev Board Case 800mAh Battery KitProduct OverviewTechnical Specifications: MCU: nRF52840 LoRa Node Chip: SX1262 Frequency: 863~870MHz. Max. TX Power: 21±1dBm Max. Receiving sensitivity: -135dBmSF12 BW=125KHz Bluetooth: Bluetooth LE: Bluetooth 5, Bluetooth mesh Hardware Resource: USB 2.0, 4 * SPI, 2 * TWI, 2 * UART, 4 * PWM, QPSI, 12S, PDM, QDEC Etc. Memory: 1M ROM; 256KB SRAM Interface: Type-C USB; 2*1.25 lithium battery connector; 2*1.25 solar panel connector; LoRa ANT (IPEX1.0); 8*1.25 GPS module connector; 2*13*2.54 Header Pin Battery: 3~4.2V battery power supply and charge. Operating Temperature: -20 ~ 70 ℃ Dimensions: 50.80*22.86mm Low Power Consumption in Deep Sleep: 11uA Display: onboard 1.14 inch TFT-LCD display Package Includes: Mesh Node T114 Development Board *1 LoRa Antenna (IPEX1.0) *1 SH1.25 Battery Connector *1 Sensor Connection Wires *1 Mesh Node T114 shell *1 anti-lost lanyard *1 secure carabiner clip *1 GNSS *1Product Features

• LoRa & Bluetooth 5.0 Dev Board- Powerful Wireless Connectivity: The Heltec T114 is a low-power development board featuring nRF52840 (Bluetooth 5.0) and SX1262 (LoRa), enabling long-range communication (LoRaWAN) and Bluetooth mesh networking. Ideal for IoT projects, smart agriculture, and remote sensors, it supports Meshtastic and other open-source LoRa applications. With Arduino compatibility and Heltec’s development libraries, you can quickly prototype wireless sensor networks and LPWAN solutions.
• Optional TFT Display & GNSS- Enhanced Visibility & Precision Tracking: Upgrade your projects with the 1.14-inch TFT display (262K colors, 135x240 pixels) or the 1.9-inch TFT (170x320 pixels) for real-time data visualization. The optional GNSS module provides GPS/GLONASS/BeiDou support, perfect for asset tracking, drones, and outdoor navigation. Combined with LoRa’s long-range capability, this board is a powerhouse for geolocation-based IoT systems.
• Ultra-Low Power Design- Solar & Battery Powered for Long-Term Use: Engineered for energy efficiency, the T114 consumes only 11 µA in deep sleep, making it ideal for solar-powered or battery-operated projects. It supports 5V USB, LiPo batteries, and solar panel inputs, ensuring uninterrupted operation in remote areas. With ESD/short-circuit protection and -20°C to 70°C operating range, it’s built for harsh environments.
• Type-C & Robust Interfaces- Expandable for Advanced Projects: The USB-C interface offers stable power & data transfer, while multiple connectors (LiPo, solar, GNSS) boost expandability. Includes RF shielding, voltage regulation, and ESD protection for reliable performance. Whether you’re building a LoRa gateway, environmental sensor, or mesh network, this board’s scalability simplifies complex deployments.
• Arduino Compatible- Easy Coding & Open-Source Support: Jumpstart development with Arduino IDE support and Heltec’s pre-loaded libraries. Perfect for beginners and pros, it’s ready for LoRaWAN, Bluetooth mesh, and Meshtastic firmware. Use it for DIY electronics, robotics, or industrial IoT—no need for complex setups. Documentation and community support ensure a smooth prototyping experience.

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