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Background Infomation
The Heltec Mesh Node T114 is a development board that employs the nRF52840 and SX1262 processors. It supports LoRa communication and Bluetooth 5.0, and provides a variety of power interfaces, including 5V USB, lithium battery, and solar panel connections. Optional accessories include a 1.14-inch TFT display and a GPS module.
Technical Specifications
Chipset
- MCU: nRF52840 (Bluetooth)
- LoRa Transceiver: Semtech SX1262
I/O
- Port: USB-C
- Buttons: 2
Wireless Information
- Capabilities:
- WiFi
- LoRa/LoRaWAN
- Bluetooth
- Antenna:
- 10cm U.FL to SMA Pigtail Cable
- U.FL/IPEX antenna connector for LoRa
- Frequency Options:
- 433 MHz
- 470 - 510 MHz
- 863 - 870 MHz
- 902 - 928 MHz
Display
- Type: TFT-LCD
- Size: 1.14" (2.9 cm)
- Resolution: 135 x 240
- Colors: 262k
Power
- Battery Type: Li-ion pol
- Amp-Hours: 2000 mAh
- Battery Interface: 2 x 1.25 mm LiPo Connector
- Low Power in Deep Sleep: 11uA
- Additional Power Interfaces:
- 2 x 1.25 mm Solar Panel Connectors
- 8 x 1.25mm GNSS module connector
Physical Dimensions
- Weight: 3 oz (85 g)
- Length: 2.86 in (72.7 mm)
- Width: 2 in (50.9 mm)
- Antenna Length: 6.7 in (17 cm)
- Depth: 0.78 in (19.7 mm)
What's in the Box
- Heltec Mesh Node T114 V2 Board
- 10cm U.FL to SMA Pigtail Cable
- Universal 868 or 915 MHz Whip Antenna
- Heltec GPS Module
- 803160 2000mAh Rechargeable Battery
Operating Conditions
- Operating Temprature: -4 °F to 158 °F (-20 °C to 70 °C)
- Humidity: 90% RH (No Condensing)
