Solidcom C1 9S - True Wireless Self-contained Headset Communication Solution The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Product Information Below are the Main Features of Solidcom C1. Previous page Next page 1 Cascade Connection 2 AB Grouping 3 UAC for Cloud Meetings 4 Up to 10H Runtime 5 Multiple Power Solutions What's in the Box? Wide-range Applications Parameters Transmission Range 1100ft Line-of-Sight Transmission Latency 55dB Microphone Type Electret Max Input Sound Pressure Level >115dBSPL Output Sound Pressure Level 983dBSPL (± 94dBSPL 1kHz ) Working Temperature 0~+45°C (Working Status); -20~+60°C (Storage Status) What should be paid attention to when using multiple sets of wireless communication systems at the same time? There needs to be a [distance of at least 1 meter] between the hosts to avoid mutual interference between the antennas of the hosts. Will the sound quality of cascading multiple sets of call hosts be degraded? Multiple sets of call hosts will not have any drop in sound quality through [IP interface] [cascaded with standard network cables], because the IP interface of the host is a digital signal, which will not receive interference or attenuation. How can I know that the battery is about to run out? When the heaset is almost out of power, the mic on the headset will [flashing red light], and there will also be a [sound reminder] in the headset that it is almost out of power. You can also see the [battery level] of the headset on the host screen. Can Master headset pair to the hub? Master headset can't pair to Hub, Since it has the same function as the Hub. With Hub you could interconnect with multiple Solidcom C1 Hub or other intercom system. The Master headset can't interconnect with other Master headset or intercom system. How long can the cascaded network cable be the longest? What are the requirements for the network cable? The longest cascaded network cable can be pulled up to 300 meters. Use the CAT5e standard category 5e network cable or higher specification network cable, and the crystal head of the network cable can use the standard 568B method.