... 1-50 m adjustable Product Features: five frequency bands of GSM/CDMA/DCS/PHS/WCDMA.Adopting aluminum alloy wiredrawing casing, making heat radiation ... of harm to human body. Occasion Applicable:School, examination site, band, library, museum, commanding center, bidding assembly hall etc. Party and ... /138/137/136/135/134/133/132/131/130/3G/PHS,etc.Maximum radiated power (1 m, the Dipole antenna testing ...