아두이노 LoRa/GPS 쉴드

(LoRa/GPS Shield For Arduino)

개요

  • 본 제품은 아두이노용 LoRa/GPS 쉴드입니다.
  • 쉴드와 LoRa BEE 모듈이 결합되어 있는 형태의 제품입니다.
  • LoRa 모듈은 SX1276/SX1278 트랜시버를 기반의 모듈이며, GPS 모듈은 L80 GPS (MTK MT3339) 입니다.

특징

  • Frequency Band: 868 MHZ
  • Low power consumption
  • Compatible with Raspberry Pi 2 Model B/Raspberry Pi 3.
  • LoRa™ Modem
  • FSK, GFSK, MSK, GMSK, LoRa™ and OOK modulation
  • Preamble detection
  • Baud rate configurable
  • Built-in temperature sensor and low battery indicator
  • Excellent blocking immunity
  • Automatic RF Sense and CAD with ultra-fast AFC
  • Support DGPS, SBAS(WAAS/EGNOS/MSAS/GAGAN)
  • GPS automatic switching between internal patch antenna and external active antenna
  • PPS VS. NMEA can be used in time service
  • Support SDK command
  • Built-in LNA for better sensitivity
  • EASY™, advanced AGPS technology without external memory
  • AlwaysLocate™, an intelligent controller of periodic mode
  • GPS FLP mode, about 50% power consumption of normal mode
  • GPS support short circuit protection and antenna detection
  • LoRa Spec

    • 168 dB maximum link budget.

    • +20 dBm - 100 mW constant RF output vs.

    • +14 dBm high efficiency PA.

    • Programmable bit rate up to 300 kbps.

    • High sensitivity: down to -148 dBm.

    • Bullet-proof front end: IIP3 = -12.5 dBm.

    • Excellent blocking immunity.

    • Low RX current of 10.3 mA, 200 nA register retention.

    • Fully integrated synthesizer with a resolution of 61 Hz.

    • FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.

    • Built-in bit synchronizer for clock recovery.

    • Preamble detection.

    • 127 dB Dynamic Range RSSI.

    • Automatic RF Sense and CAD with ultra-fast AFC.

    • Packet engine up to 256 bytes with CRC.

    GPS Spec

    • Based on MT3339.

    • Power Acquisition:25mA,Power Tracking:20mA.

    • Compliant with GPS, SBAS.

    • Programmable bit rate up to 300 kbps.

    • Serial Interfaces UART: Adjustable 4800~115200 bps,Default: 9600bps.

    • Update rate:1Hz (Default), up to10Hz.

    • I/O Voltage:2.7V ~ 2.9V.

    • Protocols:NMEA 0183,PMTK.

    • Horizontal Position Accuracy:Autonomous <2.5 m CEP.

    • TTFF@-130dBm with EASY™:Cold Start <15s,Warm Start <5s,Hot start <1s;TTFF@-130dBm.without EASY™:Cold Start <35s,Warm Start <30s,Hot Start <1s.

    • Timing Accuracy:1PPS out 10ns，Reacquisition Time <1s.

    • Velocity Accuracy Without aid <0.1m/s,Acceleration Accuracy Without aid 0.1m/s².

    • Sensitivity Acquisition -148dBm，Tracking -165dBm，Reacquisition -160dBm.

    • Environmental:Operating Temperature -40°C to 85°C,Storage Temperature -45°C to 125°C.

    • Dynamic Performance Altitude Max.18000m，Maximum Velocity Max.515m/s，Maximum Acceleration 4G.

    • L1 Band Receiver(1575.42MHz) Channel 22 (Tracking) /66 (Acquisition).

  • Part List

    • 1 x LoRa /GPS Shield mother board.

      1 x LoRa BEE.

      1 x  Glue Stick Antenna(868 MHZ)

문서

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