Raspberry Pi LoRa/GPS HAT

Lora

• 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

• Power Acquisition: 25 mA,Power Tracking:20mA
• Compliant with GPS, SBAS
• Programmable bit rate up to 300 kbps
• Serial Interfaces UART: Adjustable 4800~115200 bps,Default: 9600 bps
• 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
• Without EASY™:Cold Start<35s,Warm Start <30s,Hot Start <1s.
• Timing Accuracy:1PPS out 10 ns，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)