Ericsson Baseband 6631 (KDU 137 0071/11) is a baseband unit for communication systems, a key component of Ericsson's Radio Access Network (RAN) solution, supporting multiple wireless communication technologies such as GSM, WCDMA, LTE and NR.

Ericsson RRU2219 B3 is a radio remote unit (Radio Remote Unit) designed and manufactured by Ericsson. It is specially developed for wireless communication networks. The RRU plays a key role in the wireless communication system by converting baseband signals into radio frequency signals and transmitting and receiving them through the antenna.

Ericsson Baseband 6620 KDU137 847/11 is a 5G baseband processing unitBBU) produced by Ericsson Company. As the core component of the wireless communication base station, it is specially designed for 5G network deployment, supporting high-speed transmission and multi-mode network integration.

Ericsson DUW 41 01 KDU 127 174/4 is a baseband processing unit (U) module designed for modern mobile communication networks, mainly used for RBS6601 base station systems, supporting multi-modal network communication such as 4G, G, and 3G.

Ericsson RRUS 12 B8 KRC 161 262/2 is a wireless base station radio frequency remote (RRU), mainly used for 4G LTE networks in the 900MHz frequency band, supporting TCP, GPRS, and WiFi network connections.

KRC 161 262/2 is a wireless base station radio frequency remote (RRU), mainly used for 4G LTE networks in the 900MHz frequency band, supporting TCP, GPRS, and WiFi network connections.