The HC872E from Tallysman Wireless is a GPS/GNSS Antenna with Frequency 1217 to 1255 MHz / 1539 to 1559 MHz / 1559 to 1606 MHz, Gain 1.8 to 2.8 dBic, Noise Figure 2 dB, Voltage 2.2 to 12 V, Current 12 to 18 mA. Tags: Helical, Embedded, Helical. More details for HC872E can be seen below.