The XM satellites' cover the continental USA rather well.If you search the internet you can find a coverage map.These show that Central America is at the extreme edge of their coverage and you'd not likely get a good signal.
No. Satellite radio service is only available in certain parts of the world.
Yes, the signal will not be interrupted by tall buildings.
Handheld Marine radios are intended to work in almost any location including overseas. An operator can use them in the middle of the ocean. They function off of the Global Positioning System or GPS.
RM stands for Radioman. They work in the communications division and deal with messages. They have to have a security clearance and work with cryptography, satellite communications and radios.
Any of the sirius radio models will work fine in that type of vehicle.
The portable model has a base that allows you to play the radio both in the car and at home.
People who use satellite dishes for television reception are more apt to lose reception during inclement weather than someone who has a satellite radio. The difference is the dish and antenna. The dish is pointed in just one direction, while the antenna is omnidirectional. Because of this, those with satellite radios can still enjoy reception during inclement weather.
That you can work overseas
Yes, shower radios really work without getting wet.
Sirius radio won't work overseas, unfortunately.
No, the cable will not work when the satellite is out. The satellite is what brings you the picture. If you are concerned about the satellite, I would stay with cable.
Early radios work by intinas .