RYLR400

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426/433/470MHz LoRa® Low Power Long Range Transceiver Module

  • ◆ Frequency Range:426/433/470 MHz
  • ◆ Semtech SX1276 Engine
  • ◆ High efficiency Power Amplifier
  • ◆ Excellent blocking immunity
  • ◆ Low Receive current
  • ◆ High sensitivity
  • ◆ 127 dB Dynamic Range RSSI
  • ◆ Operation temperature: -40℃ to +85℃
  • ◆ Dimension: 13*11*2.2 mm
  • ◆ Weight:1g

Description

The RYLR400 transceiver module feature the LoRa® long range modem that provides ultra-long range spread spectrum communication and high interference immunity whilst minimising current consumption.

Specification

Item Min. Typical Max. Unit Condition
VDD Power Supply 1.8 3.3 3.6 V  
TCXO Power Supply 1.7   3.3 V 1.7mA
TCXO Accuracy   ±2   ppm  
TCXO Long-term

Frequency Stability

  ±1   ppm/Year  
TCXO Rise time   3   ms  
RF Output Power Range -4   15 dBm  
Filter insertion loss 1 2 3 dB  
Harmonic     -36 dBm  
RF sensitivity -148     dBm  
RF Input Level     10 dBm  
Frequency Range 390 433 525 MHz  
Transmit Current   29   mA RFOP = +13 dBm
Receive Current   11.5   mA LNA Boost On
Standby Current   1.6   mA Crystal oscillator enabled
Sleep Current   0.2   uA  
RF Switch Current   10   uA  
TCXO Current   2.5   mA  
Communication Range   4   KM Open Space 125KHz
Digital input level high 0.8   VDD V VIH
Digital input level low

 

 

0.2

V VIL
Digital output level high 0.9     V VOH   Imax = 1 mA
Digital output level low

 

 

0.1

V VOL   Imax = -1 mA
Operating Temperature -40 25 +85 ˚C  
Dimensions

 

 

 

  13mm*11mm*2.2mm
Weight   1   g  

DATASHEET

File Name Type Updated Preview Download
RYLR400_TW PDF 2022-07-22 Preview download
RYLR400_EN PDF 2022-07-22 Preview download

EVB SOURCE CODE and SCHEMATIC

File Name Type Updated Preview Download
RYLR890&RYLR400_EVB_Source_code&Schematic ZIP 2022-07-21 Preview download

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