Polarization is vertical.
Gain - 2 dBi. 50 ohm. Ended with an N type female connector.
876-890 MHz: < 1.8
890-960 MHz: < 1.6
1710 - 2170 MHz: < 1.6
2170 - 2500 MHz: < 2.0
Mounting with 3 screws to the false ceiling. The minimum opening for connecting the cable to the N connector must be 35 mm.
The center pin of the connector is grounded (outer and center pins are DC shorted)