Semtech LR2021 LoRa Evaluation Kit-CN490 (XIAO NRF54L15)

SeeedStudioSKU: RB-See-1278
Manufacturer #: 100025096

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Description

  • Semtech LR2021 LoRa Evaluation Kit-CN490 (XIAO NRF54L15)
  • Facilitates rapid IoT prototyping with dual-band support
  • Achieve data rates up to 2.6 Mbps with FLRC modulation
  • Ensure compatibility with Arduino, STM32, and Nordic platforms
  • Operate efficiently at varying frequencies and power levels
  • Offers robust performance with wide temperature tolerance

The Semtech LR2021 LoRa Evaluation Kit-CN490 (XIAO NRF54L15) is designed to facilitate the rapid prototyping of high-speed, long-range IoT devices. This kit is centered around Semtech's fourth-generation dual-band transceiver, which supports both Sub-GHz and 2.4GHz frequencies, ensuring global coverage.

The evaluation kit features FLRC modulation, allowing for data rates of up to 2.6 Mbps. It is also hardware-compatible with widely used development platforms such as Arduino Uno, STM32 Nucleo, and Nordic DK, providing a seamless development experience for users.

  • Real-time OLED feedback
  • Plug-and-play Grove connectors
  • Chip Size: 5 x 5 x 0.9 mm

Semtech LR2021 LoRa Plus Evaluation Kit-CN490 - Dimensions

  • Main Chip: LR2021
  • Chip Package: QFN-48
  • Power Supply: 1.8 - 3.7V, 3.3V (typical)
  • Sleep Current: 470nA (without RTC), 1.28uA (with RTC)
  • Power Distortion Mode: SIMO DC, LDO
  • Maximum Operating Current (Transmitter): Sub-GHz: 105mA @ +22dBm, 2.4 GHz: 27mA @ +14dBm
  • Maximum Operating Current (Receiver): LoRa SF7 @ 125KHz: 5.7mA, FLRC: 10.9mA
  • Output Power: Sub-GHz: +22dBm to -10dBm, 2.4 GHz: +12dBm
  • Receiving Sensitivity: LoRa SF12 @ 125kHz: -141.5dBm, FLRC @ 260kbps: -111dBm, BLE @ 2Mbps: -97dBm
  • Harmonic Noise: 915MHz @ 100kHz: -104dBc/Hz, 2.45GHz @ 100kHz: -93dBc/Hz
  • Antenna: RFI_LF (Sub-GHz), RFI_HF (2.4GHz), Impedance: 50Ω
  • Interface: SPI
  • Operating Temperature: -40°C to +85°C

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