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Heltec Mesh Node T114 Development Board with TFT Display, 3000mAh Battery + N36 For Sale

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Heltec Mesh Node T114 Development Board with TFT Display, 3000mAh Battery + N36

Price: US $85.79

Heltec Mesh Node T114 Development Board with TFT Display, 3000mAh Battery + N36 Case Set nRF52840 SX1262 Module Support LoRa Bluetooth 5.0 and Solar Power for Meshtastic LoRawan IOTDescription

Product description Professional-Grade Wireless Connectivity Dual-Chip Architecture:

nRF52840 MCU (Bluetooth 5.0/BLE Mesh) + SX1262 LoRa Chip
902-928MHz Frequency | 21dBm TX Power | -135dBm Sensitivity
Optimized 6-Layer PCB with immersion gold process for stable RF performance

Robust Construction & Protection

Durability Features:

RF shielding for interference reduction
Gold-plated contacts for reliable connections
Compact 50.8×22.86mm footprint

Included Protections:

Voltage regulation
Reverse polarity protection
Over-discharge prevention

Ultra-Low Power Design Industry-Leading Efficiency:

11μA in LoRaWAN deep sleep
23μA in Meshtastic standby
3000mAh LiPo Battery (3.7V) + Solar Charging via 1.25×2P connector

Power Management Features:

Type-C USB with ESD/short-circuit protection
Automatic power switching (USB/Battery/Solar)
-20°C to 70°C operating range

Complete Meshtastic Solution Pre-Optimized Performance:

Stable "Long_Fast" channel support
OTA firmware update capability
Included protective case with thermal management

Use Cases:

• Emergency communication networks
• Off-grid messaging systems
• Smart agriculture monitoring

Key Applications:

Long-range sensor networks (industrial/agricultural monitoring)
Meshtastic/LoRaWAN gateway solutions

Expandable Development Platform Hardware Interfaces:

2×13 Pin Headers (UART/SPI/I2C/PWM)
Arduino IDE Compatible with Heltec libraries

Prototyping Features:

Transparent support plate for component protection
Standard 2.54mm pitch for easy expansion
Bluetooth mesh networking support

Key Enhancements:

Includes GT-800 high-gain soft antenna for extended range (5+ miles)
IPEX connector supports flexible antenna deployment

Interactive TFT Display & Controls Visual Interface:

1.14" TFT-LCD (135×240 RGB, 262K colors)
Real-time display of: Signal strength/Battery level/Network status

User Controls:

Tactile RST/USER buttons
IPEX antenna connector (pre-installed GT-800 soft antenna included)

Technical Specifications

Core Components:

MCU: nRF52840 (1MB Flash, 256KB RAM)
LoRa: SX1262 (125-500KHz bandwidth)
Bluetooth: 5.0 with mesh support

Package Includes:

✓ T114 Development Board

✓ GT-800 Soft Antenna (167mm length, 902-928MHz optimized)

✓ Battery/Solar Connectors

✓ Protective Case

Why Choose Heltec T114?

For Developers:

Open-source firmware support
Extensive documentation & examples

For Businesses:

Reliable long-range communication
Scalable for mass deployment

For Hobbyists:

Plug-and-play Meshtastic setup
Vibrant community support

Advanced LoRa Mesh Networking Solution with GT-800 Soft Antenna: The Heltec T114 development board features nRF52840 + SX1262 chips for powerful LoRa (902-928MHz) and Bluetooth 5.0 connectivity. Equipped with the GT-800 high-gain soft antenna, this Meshtastic-compatible node offers 21dBm transmit power and -135dBm sensitivity, enhancing signal stability and range for long-distance IoT projects. The upgraded 6-layer PCB with immersion gold process ensures stable RF performance in Meshtastic networks and LoRaWAN deployments.
Ultra-Low Power with 3000mAh Battery & Solar Ready: Engineered for efficiency, this T114 board consumes only 11µA in LoRaWAN deep sleep and 23µA in Meshtastic mode. The integrated 3000mAh lithium battery and solar panel connectors (1.25×2P) enable extended off-grid operation. The GT-800 antenna’s low-power design complements the board’s energy-saving features, making it ideal for remote sensors and environmental monitoring (-20°C to 70°C range).
1.14" TFT Display & Expandable Interfaces:Features a vibrant 1.14-inch TFT-LCD (262K colors) for real-time data visualization. Offers multiple connectivity options including Type-C USB, LiPo connectors, IPEX antenna port (compatible with GT-800 or external antennas), and 2×13-pin headers (UART/SPI/PWM). Fully compatible with Arduino IDE for custom development.
Optimized for Meshtastic & Open-Source Projects: Pre-configured for Meshtastic firmware with stable Long_Fast channel performance. The GT-800 antenna’s flexible installation adapts to protective shells, enhancing durability and heat dissipation. Perfect for DIY mesh networks, asset tracking, and smart agriculture with open-source compatibility.
Professional IoT Development Platform: This complete LoRa solution combines nRF52840 MCU, SX1262 LoRa chip, GT-800 soft antenna for robust RF performance, and comprehensive power options (USB/battery/solar). With Bluetooth mesh support and low-power design, it’s ideal for wireless sensors and IoT systems, from hobbyist prototypes to professional deployments.

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