Long range, easy to use, ISM band wireless RF module. Great for microcontroller / Arduino projects where you want an RF link.Designed by Modtronics Australia in Australia
Overview This product is our RFM22B breakout board, for the RFM22B RF transceiver modules from HopeRF. The RFM22B breakout board gives you access to all the pins on the RFM22B module in a through h...Read More…
This product is our RFM22B breakout board, for the RFM22B RF transceiver modules from HopeRF. The RFM22B breakout board gives you access to all the pins on the RFM22B module in a through hole format so that it is easy to use in a prototyping environment. The antenna connection is a convenient SMA connector so you can attach anything from a stub antenna up to a yagi for superior range (we have been able to communicate over many km’s using these modules with good antennas).
These RFM22B breakout boards come with the RFM22B module pre-installed, so all you have to do is attach the breakout board to your project and you’ll be up and running!!
The HopeRF RFM22B is a low cost, highly integrated, 433, 868 & 915MHZ wireless ISM transceiver module (frequency depends on the product selected). The low receiver sensitivity (–121dBm) coupled with industry leading +20dBm output power ensures extended range and improved link performance. These modules can communicate of many, many km’s depending on the data rate and RF environment Built-in antenna diversity and support for frequency hopping can be used to further extend range and enhance performance. The wide operating voltage range of 1.8–3.6 V and low current consumption makes the RFM22B an ideal solution for battery powered applications.
Communication with the RFM22B module uses a standard 4-wire SPI interface. Three configurable general purpose I/Os are also available, the use of which can be tailored for the needs of your project or solution. The RFM22B also incorporates a range of other features, including an 8-bit ADC, temperature sensor, RX and TX FIFOs, and low-battery detection. A datasheet for this product is available below (manufacturer provided)
The breakout board comes in a 14pin, DIP compatible module with pins spaced at 2.54mm and an SMA connector for the antenna.
It is the purchasers responsibility to ensure that the module purchased conforms with their local laws and regulations. If you aren’t sure please consult your local RF spectrum authority. The following table is a guide only:
You can follow us on twitter at @modtronics
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Chris | Sept. 10, 2018
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