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• Temperature range: -40 to +85 ºC • Low battery detector • TX and RX 64 byte FIFOs • RoHS Compliant
The RFM22 Shield is a low-cost ISM FSK transceiver module which offers communication at 433MHz ISM and adjustable output power of up to +20 dBm. What does that mean for you? It means your Arduino now has an inexpensive way to talk to other Arduinos so building point-to-point and even basic mesh networks just got a lot more attractive. The RFM22 Shield connects the RFM22 module to the appropriate lines on the Arduino. By using the RF22 Library, you can send and receive messages via standard 4-wire SPI. The shield also provides a through-hole antenna connection for hooking up a basic wire antenna. The shield has on-board power regulation and level shifting. The board also provides a little bit of prototyping space.