The [SPX-17383 product page specifically notes that the antennas are passive, but the linked BT-560 datasheet from the reference section says the LNA gain is 35+/-3 with an operating voltage of 3.0-18.0v.
Which is correct?](GNSS Multi-Band L1/L2 Helical Antenna (SMA) BT-560 - GPS-17383 - SparkFun Electronics)