The Ericsson 4G Radio 2212 B3, with model number KRC 161 496/1, is a radio remote unit RRU used in 4G LTE networks. It operates in the 1800MHz frequency band and supports 2T1R two transmit, one receive configuration.Ericsson 2212 B3 RRU is designed to provide wireless coverage and capacity for mobile networks, enabling high-speed data transfer and reliable voice communication. KRC161622/1 Radio 2219 B1 KRC161623/1 Radio 2219 B1 KRC161490/1 Radio 2217 B1 KRC161487/1 Radio 2203 B1 KRC161635/1 Radio 4415 B1 KRC161624/1 Radio 2212 B1 KRC161735/1 Radio 4428 B1 KRC161637/1 Radio 4415 B3 KRC161619/1 Radio 2219 B3 KRC161713/1 Radio 4428 B3 KRC161621/1 Radio 2219 B3B KRC161721/1 Radio 4428 B3B KRC161427/1 Radio 2217 B3 KRC161496/2 Radio 2212 B3