TALYSMN~GPS L1/L2+GLONASS G1/G2 + Galileo E1 + BeiDou B1 Specify cable length and connector The TW7872 is precision tuned dual band, Accutenna® technology antenna for reception of GPS L1/L2, GLONASS G1/G2, BeiDou B1, Galileo E1 and is especially designed for precision dual frequency positioning. The TW7872 provides superior multi-path rejection and axial ratio, a linear phase response, and tight Phase Centre Variation (PCV), while protecting against intermodulation and saturation caused by high level cellular 700MHz signals. This antenna is ideal for precision agriculture, autonomous vehicle tracking and guidance, and other applications where precision matters The TW7872 is IP67, REACH, and RoHS compliant.