Heltec T114 (version 2.0)
The T114 is a lower power consumption radio compared with the V4, and this version is supplied with display. No housing is included.
The T114 supports 5v USB power, or 3.7v lithium battery and it has a solar panel input ( max 6v ) to charge the battery. The nRF52840 MCU offers lower power drain for longer battery life
This T114 module covers both the 868MHz and 915 MHz bands only.
Specifications
Parameters | Description |
MCU | nRF52840 |
LoRa
Node Chip | SX1262 |
Frequency | 902~928MHZ. |
Max. TX
Power | 21±1dBm |
Max. Receiving sensitivity | -135dBm@SF12 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 |
Interface | Type-C
USB |
Battery | 3~4.2V battery power supply and charge. |
Operating
Temperature | -20 ~
70 ℃ |
Dimensions | 50.80*22.86mm |
Electrical
characteristics | Deep
Sleep: ~11uA |
Display ( when fitted ) | onboard 1.14 inch TFT-LCD display |
Main Features
- MCU nRF52840 (Bluetooth), LoRa chipset SX1262.
- Powerful display function , onboard 1.14 inch TFT-LCD display contains 135(H)RGB x240(V) dots and can display up to 262k colors.
- Low power consumption, 11 uA in deep sleep.
- Operation condition: -20 ~ 70℃, 90%RH (Non condensing).
- Type-C USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures.
- Compatible with Arduino, development frameworks and libraries available.
- Various Interfaces: 1.25*2P LiPo connector, 1.25*2P Solar panel connector, 1.25*8P GNSS module connector, which greatly increase the extensibility of the board.
Heltec T114 LoRa Module for 900 MHz ISM Bands
- Brand: Heltec
- Product Code: HL-T114
- Availability: 2
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$62.70
- Ex Tax: $54.52