The HC871E from Tallysman Wireless is a GPS/GNSS Antenna with Frequency 1217 to 1255 MHz / 1559 to 1606 MHz, Gain 1.2 to 1.7 dBic, Noise Figure 2 dB, Power 10 dBm, Voltage 2.2 to 12 V. Tags: Helical, Embedded, Helical. More details for HC871E can be seen below.