Ericsson Radio 4429 B3 KRC 161 782/1 is a radio unit used in wireless communication systems. It supports the B3 frequency band and typically operates in the range of 1800-2100MHz. The radio unit is designed to provide high-speed data transmission and support advanced radio functions. It utilizes 2T2R dual transmitter dual receivertechnology, enabling it to simultaneously send and receive data through two antenna paths. This radio unit is compatible with the Ericsson 4429 B3 radio access network system and is typically used for deployment in mobile networks and base station infrastructure. It can be integrated into Ericsson's overall network architecture to provide reliable wireless connectivity and support various communication services, including voice, data, and multimedia applications.