Raspberry Pi LoRa/GPS HAT - support 868M frequency 113990254

Features

Frequency Band: 868 MHZ

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

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, 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 Spec:

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.

Protocols: MEA 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/acceleration Accuracy Without aid 0.1m/s².

Sensitivity Acquisition -148dBm，Tracking -165dBm，Reacquisition -160dBm.

Dynamic Performance Altitude Max.18000m，Maximum Velocity Max.515m/maximum Acceleration 4G.

L1 Band Receiver(1575.42MHz) Channel 22 (Tracking) /66 (Acquisition).