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
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Frequency Band: 868 MHZ/433 MHZ/915 MHZ(Pre-configure in factory)
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Compatible with Raspberry Pi 2 Model B/Raspberry Pi 3.
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LoRa™ Modem
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FSK, GFSK, MSK, GMSK, LoRa™and OOK modulation
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Preamble detection
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Baud rate configurable
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Built-in temperature sensor and low battery indicator
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Excellent blocking immunity
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Automatic RF Sense and CAD with ultra-fast AFC
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Support DGPS, SBAS(WAAS/EGNOS/MSAS/GAGAN)
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GPS automatic switching between internal patch antenna and external active antenna
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PPS VS. NMEA can be used in time service
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Support SDK command
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Built-in LNA for better sensitivity
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EASY™, advanced AGPS technology without external memory
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AlwaysLocate™, an intelligent controller of periodic mode
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GPS FLP mode, about 50% power consumption of normal mode
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GPS support short circuit protection and antenna detection
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Lora Spec:
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168 dB maximum link budget.
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+20 dBm - 100 mW constant RF output vs. +14 dBm high efficiency PA.
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Programmable bit rate up to 300 kbps.
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High sensitivity: down to -148 dBm.
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Bullet-proof front end: IIP3 = -12.5 dBm.
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Excellent blocking immunity.
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Low RX current of 10.3 mA, 200 nA register retention.
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Fully integrated synthesizer with a resolution of 61 Hz.
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FSK, GFSK, MSK, GMSK, LoRa™ and OOK modulation.
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Built-in bit synchronizer for clock recovery.
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Preamble detection.
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127 dB Dynamic Range RSSI.
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Automatic RF Sense and CAD with ultra-fast AFC.
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Packet engine up to 256 bytes with CRC.
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Built-in temperature sensor and low battery indicator.
GPS Spec:
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Power Acquisition: 25mA,Power Tracking:20mA.
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Compliant with GPS, SBAS.
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Programmable bit rate up to 300 kbps.
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Serial Interfaces UART: Adjustable 4800~115200 bps,Default: 9600bps.
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Update rate:1Hz (Default), up to10Hz.
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Protocols:NMEA 0183,PMTK.
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Horizontal Position Accuracy:Autonomous<2.5 m CEP.
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TTFF@-130dBm with EASY™:Cold Start<15s,Warm Start <5s,Hot start <1s;TTFF@-130dBm.
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without EASY™:Cold Start<35s,Warm Start <30s,Hot Start <1s.
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Timing Accuracy:1PPS out 10ns,Reacquisition Time<1s.
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Velocity Accuracy Without aid<0.1m/s,Acceleration Accuracy Without aid 0.1m/s².
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Sensitivity Acquisition -148dBm,Tracking -165dBm,Reacquisition -160dBm.
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Dynamic Performance Altitude Max.18000m,Maximum Velocity Max.515m/s,Maximum Acceleration 4G.
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L1 Band Receiver(1575.42MHz) Channel 22 (Tracking) /66 (Acquisition).
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- Part List
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1x Lora/GPS HAT
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4x Brass cylinders
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4x Screws
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4x Nuts
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1x Glue Stick Antenna(868 MHZ)
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문서
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Please visit our wiki page for more info about this product.