Recently, church clients often use high power 5GHz wireless video as well as LaON intercom and YongIn Jeil church is one of the clients. LaON can coordinate for the best available wireless RF channel(s) to avoid conflicts. 5GHz UNII band is worldwide license free and channel rich - up to 29 RF channel options depending on the region - frequency band where LaON evangelized to use first in the intercom market.