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
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168 dB maximum link budget.
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+20 dBm - 100 mW constant RF output vs.
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+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, LoRaTM 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.
GPS Spec
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Based on MT3339.
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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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I/O Voltage:2.7V ~ 2.9V.
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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.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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Environmental:Operating Temperature -40°C to 85°C,Storage Temperature -45°C to 125°C.
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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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1 x LoRa /GPS Shield mother board.
1 x LoRa BEE.
1 x Glue Stick Antenna(868 MHZ)
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사용법 문의
