... : FV W01-FV W09Color: blue, red, yellow, green, etcFrequency: 125KHz, 13.56MHz, 860-960MHzChips: EM4200, TK4100, T5577, Hitag, Mifare ... etc What we have:- Variety of RFID IC on option (HF/LF) for alternation.- Waterproof, multiple colors and shapes;- Laser Engrave ... optioans.- Transponder design base on correspond with customer reader.- Individual process RFID Watch(wrist card) OEM/ODM Options:We can ...