SX127X GPS and LoRa® Module

The SX127X GPS and LoRa® Module combines a LoRa® (Long Range) communication module with a GPS (Global Positioning System) receiver, offering wireless data transmission over long distances and location tracking capabilities. The SX127X series refers to Semtech’s family of LoRa® transceiver chips, which includes models like the SX1276, SX1277, SX1278, and SX1279, known for their use in low-power wide-area networks (LPWANs).

Specifications for 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, 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.

Specifications for GPS:

• Base On MTK MT3339.
• 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 to 10Hz.
• 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.
• Dynamic Performance Altitude Max.18000m, Maximum Velocity Max.515m/s, Maximum Acceleration 4G.
• L1 Band Receiver(1575.42MHz) Channel 22 (Tracking) /66 (Acquisition).