4G Speaker Pillar, Main Functions

1. Supports hierarchical and zonal control: Utilizes addressable full digital decoding, receives remote control from higher levels, implements multi-level zoning according to different usage environments, and supports whole-area playback, zonal playback, and single-point playback.

2. Supports paging over the network: When used with devices equipped with paging functionality, this enables clear playback of paging content through the device.

Flexible in 4G wireless network deployment, it is compatible with China Mobile, China Unicom, and China Telecom's 4G networks simultaneously. Frequency Bands: LTE-FDD: B1/B3/B5/B8, Upstream Speed: 5Mbps, Downstream Speed: 10Mbps. Automatically switches to 3G or 2G networks when 4G signal is unavailable.

4. Interfaces include power (220V), data configuration, network antenna (SMA interface), SIM card, etc.