Low insertion loss couplers, wideband power dividers, high-performance combiners and omnidirectional ceiling antennas are selected. The operating frequency range of the devices covers 698-3800MHz, perfectly matching the network requirements of multiple operators.
Based on the structural drawings of the parking garage, the "signal source + passive devices distributed deployment" scheme is adopted. Signals are equally divided by couplers and coverage areas are accurately allocated by power dividers to maximize the reduction of signal attenuation.
Passive devices require no power supply and have strong anti-interference capabilities. They are suitable for the complex environment of underground parking garages with humidity and multiple metal structures, featuring low failure rates during long-term operation.
Full-Signal Coverage Across the Entire Area
In all areas of the underground parking garage, such as floors, corners and elevator lobbies, the mobile phone signal strength is stably maintained within -75dBm. The call connection rate reaches 100% with no dropped calls.
High-Speed and Smooth Network
The download speeds of 4G/5G networks both meet the needs of HD video playback, file transmission and other scenarios. Guests can smoothly handle work and contact others while parking.
The comprehensive signal coverage solves the pain point of "loss of connection underground" for guests. It echoes the core concept of the hotel's "all-round luxury experience" and has gained high recognition from guests.
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