ANT is a demonstrably superior Wireless Sensor Network (WSN) RF protocol for almost all practical ultralow power networking applications – from simple point-to-point links to complex networks. Embedded in nRF24AP2 devices, it is paired up with Nordic Semiconductor's market leading 2.4 GHz radio technology. The combination gives you a high performance-, ultra-low-power network connectivity to applications.
The nRF24AP2-USB, with its USB v2.0 compatible serial interface, is made specifically to act as a bridge between an ANT wireless network and backbone infrastructure. Backbone infrastructure can be advanced user interfaces, storage on a computer or other USB enabled equipment.