A transmitter transmits, and a receiver receives, a data frame is transmitted into an 8 MHZ channel. The use of the crude extract or extract of Plectranthus Amboinicus Spreng for the manufacture of medicaments for treating rheumatoid arthritis is also described. The semiconductor component is mounted on a thin plate region that is thinner than a thick plate region having its thickness increased by mounting the circuit part on the base board. The collective may be displayed and organized with a viewer.