FAQ Q:The picture is real product?A:Yes,all product pictures are real product.Q:If stock quantity is not enough from link, how to do?A: Contact/Leave message to us, we will reply and help check exact stock within 12 hours. If go to bulk ordering, usually lead time 10-15 days.Q:when I go to bulk several items, and find shipping cost is different, how do I do?A: Shipping cost depends on unit weight, but if you find shipping cost very high,Contact/Leave message to us, we will check whether shipping cost can be reduced.Q:How can I get commercial invoice for company finance?A: Contact/Leave message to us,leave billing address, we will send PDF version there.Q:Is the antenna has different length cable or connectors?A:Yes, can be custom-made, Contact/Leave message to us, we can quote for you.GPS is for SMA Male/Fakra C(blue), which are normal.Fakra C has straight and right angle(90 degree).Wellcome to tell us of your requirements.Q:Is GLONASS better than GPS?A:The 2 systems also differ somewhat on accuracy. GLONASS position accuracy is 5-10m while GPS is 3.5-7.8m.Therefore, GPS outweighs GLONASS in accuracy as lower error numbers are better.Q:Should you use GPS with GLONASS?A:Actually only gps should do its job in case satellite reception is perfect.The combination with another system will improve accuracy when the signal gets weaker.Q:Does GPS work without an antenna?A:GPS (Global Positioning System) systems work by receiving signals from satellites.That isn't possible without an antennaQ:Where to put a GPS antenna?A:In most cases, you can mount the GPS antenna near the top of the underside of your dash (behind or above the receiver). DIMENSIONS&SPECIFICATIONS Item Specifications Antenna Center Frequency 1575.42±3MHz Band Width CF±5MHz Polarization RHCP Gain 2dBicZenith V.S.W.R 1.5 Impendance 50 Axial Ratio 3dBmax Dimension 25*25*4mm LNA Gain 28±2dB Noise Figure 1.5dB Supply Voltage 2.2~5V DC Current Consumption 5~15mA V.S.W.R 2.0 Mechanical Cable RG174 Connector 2.5 Polarization SMA/BNC/N or others Radome Material ABS Mounting Method Screw Environmental Operating Temperature -40~+85 Relative Humidity Up to 95% Ingress Protection IP65~IP67 (exclude cable outlet) Vibration 10 to 55Hz with 1.5mm amplitude 2hours Environmentally Friendly Current Consumption Radiation Pattern