Quoted:
Looking at the RV world but I want at least dial up comperabel internet on 4g what is the best way to do it?
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Huh? Dial up is not 4G nor is it comparable? Best way to do what?
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There are many ways to connect to the web this day and age:
-56K dial up is archived via a phone line and old fashion modem.
-DSL is uses a specialty modem through service provider. This also occurs via phone line.
-Everything else occurs through fiber optic or T1 etc.
-There are Dish internet providers like hughes net, but they get expensive and are not overly fast. You also have the piggy bag/ highbred type dish providers that download via dish, and upload via a phone line through a modem.
-Wireless via cellular phone carrier occurs over CDMA or GSM network in the US. Verizon or AT&T respectively.
Cellular service obviously greatly depends on location, and you will only know what actually works in which location by trying it.
After that you have Sat phone connections... Which can very greatly between provider and plan. Prices are getting cheaper though and you have some options like spot or delorme.
Unless you know what services are available at whatever location you need a connections, then its kind of hard to answer or point you in a good direction.