No one will help select the radio, until you define the purpose of its use. You can approach the civil radio (range of 433 to 466 MHz). Wavelength - 70 cm. Here it is necessary to take into account, what, if it is high and wide obstacle in front of you (eg, rock), signal will not. This radio is better to take for hikes in the woods, field. Even though a large number of trees can prevent signal.
Truckers, drivers often buy radio class CB. Models operate on a range of 27 MHz. The wavelength is typically less than 11 m. But the great length and does not need drivers. Excellent for natural, suburban areas.
If you select the radio for hunting, fishing, We recommend that you consider the range of 136-174 MHz. Although the above model may suit.
Builders and other workers buy professional radio. Usually easy to get out of order due to contamination, moisture, etc.. d. An excellent embodiment will Frequency 433-446 MHz.
If you want to save, consider b / a radio. On a technical portal buy a radio It can be in good condition for a minimum budget.
Speaking of taxi drivers, in most cases they have in a car with a conventional stationary models 27 MHz. But not excess will be an additional antenna.