The present invention is directed to a dynamic channel selector for use with a wireless local area network and a method of selecting a channel therein. The terminal block includes a housing having a first connector connected to the first telecommunications conductor and a second connector connected to the second telecommunications conductor mounted therein. Acidic internal breakers such as sulfuric acid and nitric acid are used. In some embodiments, the compound substrate is attached to the semiconductor structure after growth of the structure on a conventional growth substrate. This invention thus relates to the seeds of soybean variety XB43N09, to the plants of soybean XB43N09 to plant parts of soybean variety XB43N09 and to methods for producing a soybean plant produced by crossing plants of the soybean variety XB43N09 with another soybean plant, using XB43N09 as either the male or the female parent.