Adafruit Wireless Feather 32u4 RFM95 LoRa Radio - 868 or 915 MHz

Artikelnummer: AF3078

EAN: 4060137024320

Hersteller-Artikelnr.: P3078

Kategorie: Entwicklungsboard


41,59 €

inkl. 19% USt.,

sofort verfügbar

Lieferfrist: ca. 1 - 2 Tage



Beschreibung

Overview

This is the Adafruit Feather 32u4 LoRa Radio (RFM9x). We call these RadioFruitsour take on an microcontroller with a "Long Range (LoRa)" packet radio transceiver with built in USB and battery charging. Its an Adafruit Feather 32u4 with a 868/915 MHz radio module cooked in! Great for making wireless networks that can go further than 2.4GHz 802.15.4 and similar, are more flexible than Bluetooth LE and without the high power requirements of WiFi.

This is the 900 MHz radio version, which can be used for either 868MHz or 915MHz transmission/reception - the exact radio frequency is determined when you load the software since it can be tuned around dynamically.

Technical Details of LoRa Radio

  • Measures 2.0" x 0.9" x 0.28" (51mm x 23mm x 8mm) without headers soldered in
  • Light as a (large) feather - 5.5 grams
  • ATmega32u4 @ 8MHz with 3.3V logic/power
  • 3.3V regulator with 500mA peak current output
  • USB native support, comes with USB bootloader and serial port debugging
  • You also get tons of pins - 20 GPIO pins
  • Hardware Serial, hardware I2C, hardware SPI support
  • 7 x PWM pins
  • 10 x analog inputs
  • Built in 100mA lipoly charger with charging status indicator LED
  • Pin #13 red LED for general purpose blinking
  • Power/enable pin
  • 4 mounting holes
  • Reset button
  • SX1276 LoRa® based module with SPI interface
  • Packet radio with ready-to-go Arduino libraries
  • Uses the license-free ISM bands (ITU "Europe" @ 433MHz and ITU "Americas" @ 900MHz)
  • +5 to +20 dBm up to 100 mW Power Output Capability (power output selectable in software)
  • ~300uA during full sleep, ~120mA peak during +20dBm transmit, ~40mA during active radio listening.
  • Simple wire antenna or spot for uFL connector

Technical Details of RFM95

  • 168 dB maximum link budget
  • +20 dBm - 100 mW constant RF output vs. V supply
  • +14 dBm high efficiency PA
  • Programmable bit rate up to 300 kbps
  • High sensitivity: down to -148 dBm
  • Bullet-proof front end: IIP3 = -11 dBm
  • Excellent blocking immunity
  • Low RX current of 9.9 mA, 200 nA register retention
  • Fully integrated synthesizer with a resolution of 61 Hz
  • FSK, GFSK, MSK, GMSK, LoRaTMand 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

You can also cheek our "Dokumente" for more information

Package List:

1x Adafruit Feather 32u4 RFM95 LoRa Radio- 868 or 915 MHz - RadioFruit

Dokumente

Bedienungsanleitung

SX127x Datasheet

RFM9X Datasheet

FCC Test Report - 13dBm

ETSI Test Report

CE Report

FCC Test Report

RoHS Test Report

EagleCAD PCB Files on GitHub

Fritzing object in Adafruit Fritzing library

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