In October 2008, we developed the waterproof PHS cellular phone "WX330J" for Willcom, Inc. This is the first Willcom waterproof PHS cellular phone. Its waterproof performance complies with IPX5/IPX7 standards.
Cellular phones have come to be used everywhere where people carry out their daily lives. However, a cellular phone is a precision instrument and so is vulnerable to moisture. Thus, the demand for cellular phones that are waterproof has grown recently. To meet this market need, we have developed the above waterproof PHS cellular phone, which we introduce here below.