The HC976 from Tallysman Wireless is a GPS/GNSS Antenna with Frequency 1217 to 1300 MHz / 1559 to 1606 MHz, Gain 1.4 to 2.6 dBic, Noise Figure 1.8 dB, Power 12 dBm, Voltage 2.2 to 16 V. Tags: Helical, Helical. More details for HC976 can be seen below.