The xBee family of products, made by Digi International, are very useful for short-to-medium range communication. They support Point-to-Point (PtP; P2P) and Point-to-Multi-Point (PtMP; P2MP) communication and have multiple communication modes.
XCTU is the configuration software for the xBee family of products.
https://www.digi.com/products/embedded-systems/digi-xbee/digi-xbee-tools/xctu