라즈베리 파이용 LoRa/GPS HAT 보드 -868Mhz

(Raspberry Pi LoRa/GPS HAT - support 868M frequency)

개요

  • 본 제품은 라즈베리 파이와 사용이 가능한 868Mhz LoRa/GPS HAT입니다.
  • MTK MT3339 기반의 L90 GPS 모듈 또한 장착을 하고 있으며, LoRa는 SX1276/SX1278 트랜시버를 장착하고 있습니다.
  • -148dbm이상의 감도와 +20dbm 파워 앰프로 원거리 통신이 가능합니다.

특징

  • Frequency Band: 868 MHZ/433 MHZ/915 MHZ(Pre-configure in factory)

  • 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, LoRa™ 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.

    • Built-in temperature sensor and low battery indicator.

    GPS Spec:

    • 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.

    • 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.

    • 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

    • 1x Lora/GPS HAT

    • 4x Brass cylinders

    • 4x Screws

    • 4x Nuts

    • 1x Glue Stick Antenna(868 MHZ)

문서

  • Please visit our wiki page for more info about this product.

연관제품