The N534BP, N537BP, and N538BP are plug-and-play USB dongles adapter based on the TI CC1312R Sub-1 GHz wireless MCU. They support FSK modulation across multiple frequency bands (433/868/915 MHz) with output power options of +14 dBm, +26 dBm, and +27 dBm (with CC1190 PA). All dongles feature a compact 37x17x7 mm enclosure with USB interface, ideal for wireless testing, gateway development, and protocol evaluation. Brand: Coral RF.