Radio transmitter Feather 32u4 RFM95 LoRa Radio, 868MHz, Adafruit 3078

Radio transmitter/receiver operating in the LoRa standard powered with the rechargeable Li-Pol battery or via USB, it is running at frequencies of 868/915 MHz. The heart of the module is an 8-bit ATmega32u4 microcontroller with a clock frequency of 8 MHz, it has 32 kb of Flash memory and 2 KB of RAM. It is ideal for IoT projects (Internet of Things) or those that require mobility due to the possibility of powering with the Li-Pol rechargeable battery. In case of detection of USB power, the module automatically switches the power source and begins to charge the battery.

Specification:

• Adafruit Feather 32u4:
• Processor: ATmega32u4 8MHz
• Interface: USB, serial, I2C, SPI
• GPIO pins: 20
• PWM pins: 7
• Analog inputs: 10
• Supported rechargeable batteries: Li-Pol, 3.7 V
• The rechargeable battery charging current: 100mA
• Dimensions: 51 x 23 x 8 mm
• Weight: 5.5 g
• Radio module:
• Signal power: up to 100 MW (from 5 dBm to 20 dBm)
• Current consumption:
• Sleep mode: 300 µA
• Broadcasting at full power: up to 120 mA
• Listening mode: 40 mA
• The ability to attach the antenna or u.FL connectors
  

Useful links:
Manufacturer website
Manual

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