How far do two way radios talk?
There are several factors that affect the range and coverage of two way radios. The factors that have the greatest impact are the frequency band of the radio system, the power output of the radio transmitter, the height and location of the antenna, building layout, design and size, the terrain the system will be operating in and the amount of electromagnetic noise in the general area of operation.
UHF (450-512MHz) signals are more appropriate for urban areas as it has the best penetration of dense metropolitan areas and is almost completely free from external noise. UHF has superior building penetration.

The maximum theoretical range is around 5 kilometres, however in real life 1km - 3km is achievable. All PMR446 radios are legally restricted to 0.5w of power, which means that all brands will have around the same range. The range is however reduced when the radio signal has to pass through solid objects. Indoors the range may drop to as little as 400 metres, depending on the materials used to construct the building.
There are many variables that affect the range of a radio. If a radio is being used simplex, or talkaround mode, then that means that each radio is communicating directly to the other radios on that frequency in that area. Simplex range can vary from several blocks to several miles depending on how much power your radio is putting out.

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Lightweight earphone, with in-line microphone and PTT (Push To Talk)
Check out all the two way radios accessories including speaker/microphone with PTT and other communication kits
Two Way Radios Accessory
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Learn why buying a two way radio with a poor battery can cost you money.
Two Way Radio BatteryWhat is the average life expectancy of a two way radio? Inexpensive retail walkie talkie models are estimated at 6-12 months. Commercial or professional grade two way radio models are estimated at 4-7 years.
Did You Know ... In Ireland, you can only use CTCSS enabled PMR Two Way Radios
Q. What is the advantage of two way radios over mobile phones?
A. Instant Communication! Without a doubt, two way radio is the most reliable and widely used team communications solution.
PMR-446 is a licence free communication band in Europe that anyone can use for two-way radio communications. With no licence fee required, anyone with a need for short-range radio now should consider the purchase of PMR 446 Two Way Radio.