The SM-19 from Unictron Technologies Corporation is a Antenna with Frequency 1.575 GHz, Gain -1 to 5 dBi, Operating Temperature -40 to 85 Degree C, Storage Temperature -40 to 85 Degree C, Noise Figure 1.3 to 2 dB. Tags: Patch, Active. More details for SM-19 can be seen below.