GAOTek  LoRa WIFI Module

GAOTek  LoRa WiFi module is crucial and must connect to the IPEX interface to prevent potential damage to the LoRa chip.

GAOTek-LHR-166

Description

Overview

GAOTek  LoRa Wi-Fi module is crucial and must connect to the IPEX interface to prevent potential damage to the LoRa chip. The device includes a lithium battery charge and discharge circuit with a status indicator LED that stops when the battery is fully charged. When using the IO port for touch screen signal input, it’s essential to add a 100 nF pull-down capacitor to ensure stable signal reception. 

 

Technical Specification

Working Voltage  1.8 V to 3.7 V 
Acceptable Current  10 mA to 14 mA 
Transmit Current  120 mA at +20 dBm, 90 mA at 17 dBm, 29 mA at 13 dBm 
Operating Frequency  868 MHz / 915 MHz 
Transmit Power  20 dBm 
Receive Sensitivity  -139 dBm LoRa 62.5 KHz SF=12 146 bps  

-136 dBm LoRa 125 KHz SF=12 293 bps 

-118 dBm LoRa 125 KHz SF=6 9380 bps 

-123 dBm FSK 5 KHz 1.2 Kbps 

Frequency Error  + / – 15 KHz 
FIFO Space  64 Bytes 
Data Rate  1.2 Kbps to 300 Kbps (FSK), 0.018 Kbps to 37.5 Kbps (LoRa) 
Modulation Mode  FSK, GFSK, MSK, GMSK, LoRa TM, OOK 
Interface Form  SPI 
Sleep Current  0.2 uA (SLEEP), 1.5 uA (IDLE) 
Operating Temperature  40 °F to 185 °F (-40 °C to 85 °C) 
Antenna  SMA Antenna 

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