Flashing Cellphone Sticker/flashing sticker 1) Should stick near the antenna of GSM mobile phone 2) Frequency: 800MHz - 1,900M Mobile Flashing Sticker/ Flashing mobile phone sticker/LED Mobile Flashing Sticker/phone sticker /flashing sticker: 1.Suitable for GSM 900 to 1,800MHz mobile phones2.With internal antenna such as Nokia3.Available LED colors: red, yellow-green, yellow and blue4.Stick on ...