What are the differences between GPS antenna and GSM antenna?

Nowadays, GPS navigation antenna is more and more used in people's life, such as agriculture, aviation, environment, marine transportation, public safety, disaster rescue, railway, space, surveying and mapping. So today, let's analyze the difference between GPS antenna and GSM antenna.

1、 What is a GPS antenna?

GPS antenna is a kind of navigation antenna, which carries out positioning or navigation by receiving satellite signals; GPS antenna satellite signals are divided into L1 and L2, with frequencies of 1575.42MHz and 1228mhz respectively.

Among them, GPS antenna L1 is an open civil signal with circular polarization. The signal strength of GPS antenna L1 is about 166-dbm, which belongs to a relatively weak signal.

GPS antenna consists of ceramic antenna, low-noise signal module, cable and connector. Nowadays, the application of vehicle GPS antenna is becoming more and more common.

However, some automobile explosion-proof film will affect the GPS antenna signal, so an external GPS antenna with magnet (which can be adsorbed to the roof) is very necessary for vehicle GPS.

2、 What is GSM antenna?

GSM antenna is a digital mobile telephone system widely used in Europe and other parts of the world. GSM antenna uses the variant of time division multiple access, and GSM antenna is the most widely used of the three digital wireless telephone technologies.

GSM antenna includes several frequency bands such as gsm900:900mhz, gsm1800:1800mhz and gsm1900:1900mhz; GSM antenna can digitize the data, compress the data, and then send it out from the channel together with the other two user data streams.

The other two GSM antenna user data streams have their own time slots. Because many GSM antenna network operators have roaming protocols with operators in other countries, when GSM antenna users go to other countries, they can still continue to use their mobile phones.

In addition, the interfaces on GPS antenna and GSM antenna are also different. The interface of GPS antenna should match the external antenna interface of navigator or GPS Bluetooth satellite module;

The GSM antenna is generally connected with your mobile phone by the hands-free system of your mobile phone through Bluetooth. The selection of external GSM antenna should match with the external GSM antenna interface of your hands-free system of your mobile phone.

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