Industry's first Open RAN multi-RAT, multi-band RRU for 1800MHz and 2100MHzBoost Global Trials with its Energy Efficient Open RAN Radio Units HONG KONG SAR - Media OutReach - 29 March 2021 - Comba Telecom Systems Holdings Limited ("Comba Telecom" or "the Group", SEHK stock code: 2342), a leading global solutions and services provider of wireless and information communication systems, announced the launch of the industry's first Open RAN multi-RAT, multi-band Remote Radio Unit ("RRU") that supports 1800MHz and 2100MHz, promoting widespread adoption of emerging open standards in the globe. The RRU is