The HC843 from Tallysman Wireless is a GPS/GNSS Antenna with Frequency 1217 to 1255 MHz / 1559 to 1626.5 MHz, Gain 2.1 to 2.6 dBic, Noise Figure 3 dB, Power 10 dBm, Voltage 2.5 to 16 V. Tags: Helical, Helical. More details for HC843 can be seen below.