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First steps in the things network

Today i received a nice little package. Inside was a Pi-Hat for LoRa.

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Specifications

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.
  • Built-in temperature sensor and low battery indicator.

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).

Dimensions and Weight:

  • Size: 60mm*53mm*25mm.
  • Net weight: 30g.

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Let the testing begin. More will come….

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