TOPGNSS AN-608 is a multi-frequency satellite navigation antenna with high gain, miniaturization (68x27mm in shape), high sensitivity, GNSS multi-system compatibility and high reliability. It has high precision antenna and built-in LNA amplification and filtering design. It can also receive GNSS L1 and L2 frequency points. The antenna can be used with a of satellite navigation receivers and is widely used. It is used in high precision navigation, high precision positioning, high precision timing, unmanned vehicle, unmanned aerial vehicle, RTK measurement, precision agriculture, marine survey and other fields to meet the diverse needs of users. Frequency Range(MHz): GPS L1/L2 GLONASS L1/L2 BEIDOU B1/B2/B3 Gain(dBi):4.0 Antenna AR (dB):less than equal 3.0 Phase center error(mm):2 Polarization:Right-hand circular polarization Port Impedance:50ohm LNA Gain(dB):362 Noise figure(dB):less than equal 1.8 VSWR:less than equal 2.0 Operating voltage(V):3.0V-6.0V Operating current:less than equal 45mA Weight(g):200 Operating temperature():-40 - +70 Storage temperature():-55 - +85 Waterproof grade:IP67 Type:B:SMA male elbow Colour:As Shown Material:Plastic Size:68x27MM Package Contents: 1 * antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.