Tips. 1  Make sure you have horse handling experience before you start vet school to be an equine vet. Many schools do not teach horsemanship because their focus is on veterinary medicine and expect you to already have the knowledge of how to handle a horse safely and humanely.
The Global System for Mobile Communications (GSM) network is the standard system used by most mobile phone networks around the world. Whether a system uses a cellular network based around broadcast stations or satellite technology connected to signals from orbit, both types can be part of the GSM network.
Most of countries are covered with 3G network and 2G network. GSM means 2G. If the alarm system are supporting GSM900/1800/1900 MHz, then they can work in your place, even there is 3G network. For example: USA with 3G network, but GSM alarm system can still work in USA.The reason is USA with 2G network under the GSM frequency of 1900MHz.SM alarm not only can make a voice phone call, but also can send short message (SMS). In addition, GSM alarm system is suitable for the mobile situation (car, boat...etc). New GSM wireless alarm system.