You are buying 1 piece of XP263 Mini Twist-On Active Stubby GPS Antenna, 25dB, SMA Male.

~ NEW ~

At one inch in height and 0.80 inches in diameter XP263 is smallest screw on 25dB GPS antenna.  Omni-directional, impact resistant, and submersible 

Center Frequency: 1575.MHz +/-1.0Mhz
Beam Width: >120 degrees
Impedance: 50 ohm
Polarization: RHCP
Voltage: 2.5Vdc-3.7Vdc
Current: <7mA
Gain: 25dB
Noise: 1.5dB (@3Vdc)
VSWR: < 2.0
Relative Humidity: 10% to 95%
Storage Temperature: -50ºC to +95º
Operating Temperature: -40ºC to +85ºC
Dimensions: 20mm (D) X 27.5mm (H), (typ) Wt 14g
Connector: SMA male
Mounting Torque: Minimum: 2 inch pounds (12 N.cm)
RecommendedTorque: 7-10 inch pounds (80-110 N.cm)
MaximumTorque: 15 inch pounds (170 N.cm)