> Mini computer>TTGO T-Echo LoRa Meshtastic WIFI BT5 GPS development board + screen & case
TTGO T-Echo LoRa SoftRF 868MHz WIFI BT5 GPS development board + screen & case View larger
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TTGO by LilyGO

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China

TTGO T-Echo LoRa Meshtastic WIFI BT5 GPS development board + screen & case

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LILYGO TTGO T-Echo is the advanced version of the T-BEAM development board, and has been optimised for Bluetooth and power consumption, thanks to Meshtastic firmware optimisation and the use of the NRF52840 Bluetooth 5 microprocessor.

The wireless transceiver module uses the Semtech SX1262 LORA RF chip, which operates in the ISM 868MHz or ISM 433MHz frequency band, incorporates a high-stability 32MHz TCXO crystal oscillator, half-duplex mode, power up to +22dBm and receive sensitivity -139dBm.

  • MCU: NRF52840
  • 2MB Flash memory
  • 256kB RAM
  • Wireless connectivity: Bluetooth 5, Thread, Bluetooth Mesh, ANT, 802.15.4, Zighee
  • Bus Interfaces: UART, SPI, TwI, PDM, 12S, QSPI
  • LORA chip: SX1262 Long Range, Low Power 868MHz or 433MHz
  • Screen type: SPI E-Paper display
  • Screen refresh time: 2s
  • Size: 1.54 inches
  • Resolution: 200(H)x200(V)
  • L76K multi-system GNSS positioning module: GPS, GLONASS, BeiDou, QZSS
  • Function: LNA, SAW filter, AGNSS, 1PPS
  • Enhanced reception and anti-interference features
  • Power supply: 850mAh battery (included)
  • Firmware installed: Meshtastic (other firmware such as SoftRF can be installed as a replacement)
  • Dimensions: 127mm (with antenna) x 24.3 x 53.8 mm

Supplied with: 1 LILYGO TTGO T-Echo with ABS case, 433MHz or 868MHz version (choose below), 1x 2pin 1.25mm battery cable, 1x USB TYPE-C cable, 1x 850mA battery, 1x Grey ABS case.

More details

98,68 € tax excl.

In stock

   9 Items

  • 433 Mhz
  • 868 Mhz

Data sheet

The L76K multi-satellite positioning system is a multi-satellite system (GPS, BeiDou, GLONASS, QZSS) that supports joint multi-system positioning and independent single-system positioning.

It also supports the AGNSS function and incorporates a low-noise amplifier and surface filter, giving users of the GNSS module a fast, accurate and high-performance positioning experience.

Compared with a single GPS system, the multi-satellite positioning system significantly increases the number of visible and usable satellites, improves positioning accuracy and enables stable, high-accuracy positioning even in complex urban environments.

It supports the AGNSS function, which significantly reduces the time required for initial positioning, and the integrated low-noise amplifier provides high sensitivity, high-precision positioning and fast signal capture and tracking, even in weak signal conditions, which also ensures good positioning performance.

The integrated surface acoustic filter greatly enhances the module's anti-interference capability, and the active antenna detection circuit and protection circuit are integrated internally to protect the module and active antenna from damage.

The display uses a 1.54-inch "electronic paper" with front light, 200x200 resolution and can be used in a dark environment.

Find configuration information for the T-Echo on Github :

https://github.com/Xinyuan-LilyGO/LilyGO-T-Echo

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