Adafruit RFM95W LoRa Radio Transceiver Breakout - 868/915MHz

Name: Adafruit RFM95W LoRa Radio Transceiver Breakout - 868/915MHz
Brand: Adafruit
SKU: TH2118
Price: 1959.0 INR
Availability: OutOfStock

SKU: TH2118

₹2,311.62₹3,005.11SAVE 23%

₹1,959.00 (Ex. of GST)

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Long-range LoRa radio transceiver breakout for low-power wireless communication.

Uses the RFM95W module based on the SX1276, supporting LoRa modulation over SPI.

Quick Specs

Module: RFM95W
Chipset: Semtech SX1276
Frequency: 868 / 915 MHz variants
Interface: SPI
Protocol: LoRa

₹2,311.62

₹1,959.00 (Ex. of GST)

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Overview

The Adafruit RFM95W LoRa Radio Transceiver Breakout is a long-range packet radio module built around the SX1276 LoRa transceiver. It operates in the license-free 868 MHz and 915 MHz ISM bands, with the exact frequency selected in software, making it suitable for regional LPWAN, telemetry, and sensor node projects.

This breakout is designed for easy integration with Arduino and other microcontrollers using an SPI interface. It includes an onboard 3.3 V regulator and level shifting, so it can be powered from and interfaced with either 3 V or 5 V logic systems. Unlike WiFi or Bluetooth style links, LoRa packet radio does not require association or connection maintenance, which is useful for simple point-to-point or multi-node communication.

Transmit power is software selectable from +5 dBm to +20 dBm, with up to 100 mW output capability. Depending on antenna, terrain, and configuration, the radio can reach around 2 km with simple wire antennas and line-of-sight conditions, and much farther with directional antennas and careful tuning. Please note that this module communicates only with compatible LoRa radios on the same frequency and is not compatible with RFM69 radios.

Specification

Technical details for Adafruit RFM95W LoRa Radio Transceiver Breakout - 868/915MHz.

Specification	Details
Radio IC	SX1276 LoRa transceiver module
Frequency Band	868 MHz / 915 MHz ISM band, software selectable
Interface	SPI
Modulation	LoRa packet radio
Supply Voltage	3 V to 5 V DC input supported via onboard regulator
Logic Level Compatibility	3 V and 5 V logic supported via onboard level shifting
Transmit Power	Software selectable from +5 dBm to +20 dBm
Peak TX Current	Approximately 100 mA at +20 dBm transmit
Receive/Listening Current	Approximately 30 mA during active listening
Antenna Options	Wire antenna pad plus footprint for uFL or SMA connector

Pinout

Pin	Type	Description
VIN	Power Input	3 V to 5 V DC supply input for the breakout
GND	Power	Ground reference
SCK	Digital Input	SPI clock input
MISO	Digital Output	SPI data output from the radio to the microcontroller
MOSI	Digital Input	SPI data input to the radio from the microcontroller
CS	Digital Input	SPI chip select for the LoRa module
RST	Digital Input	Hardware reset input for the radio
DIO0	Digital Output	Interrupt/status pin commonly used for packet done events
DIO1	Digital Output	Configurable interrupt/status output from the radio
DIO2	Digital Output	Additional configurable interrupt/status output

Frequently Asked Questions

What frequency band does this Adafruit RFM95W breakout support?

This is the 900 MHz version and can be configured for either 868 MHz or 915 MHz operation. The exact operating frequency is set in software.

Is the RFM95W breakout compatible with 3.3V and 5V microcontrollers?

Yes. The breakout includes an onboard 3.3V regulator and level shifting, so it can be powered from and interfaced with 3V or 5V logic systems.

How does this LoRa module connect to a microcontroller?

It uses an SPI interface. The available pins include SCK, MISO, MOSI, CS, RST, and DIO0/DIO1/DIO2 for status or interrupt functions.

Can this radio communicate with RFM69 modules or other LoRa variants?

No, it is not compatible with RFM69 radios. The supplier also notes that you need two or more matching radios of the same part number and frequency family to communicate reliably.

What kind of range can I expect from this 868/915MHz LoRa breakout?

Typical range is around 2 km depending on antenna, obstructions, frequency, and transmit power. Supplier guidance also mentions longer distances in line-of-sight or with directional antennas and careful tuning.

What antenna options are available on this breakout?

You can use a simple wire antenna soldered to the antenna pad, or fit a uFL or SMA edge-mount connector if needed. The supplier notes that some soldering is required for antenna setup and for attaching the header.

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