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Description
- Lora and GPS Cape for Raspberry Pi
- Based on the SX1276/SX1278 transceiver
- Frequency Band: 868 Mhz
- Compatible with Raspberry Pi 2 Model B/Raspberry Pi 3
- EASY™, advanced AGPS technology without external memory
The Raspberry Pi LoRa/GPS HAT is an expansion module for LoRaWan and GPS uses with the Raspberry Pi. This product is intended for those interested in developing LoRaWAN solutions.
The Lora/GPS HAT is based on the SX1276/SX1278 transceiver. The add on L80 GPS (Base on MTK MT3339) is designed for applications that use a GPS connected via the serial ports to the Raspberry Pi such as timing applications or general applications that require GPS information.
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)