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The 300W Baofeng portable radio


Baofeng bf-10R 300W radio

The Problem

It has become common on eBay and other sites for unscrupulous sellers to pad the specs on radios. A 5 watt radio gets labeled as 8 watts, or a 10 watt radio gets labeled as 18 watts. This particular ad has gone beyond all reasonable expectations to the point where it could be considered a joke, except that it was pulled from eBay where the person is actually selling these radios. Most people who purchase this class of radio don’t have the ability to test them, so the claim will often go unchallenged, even though these specs are physically impossible.


To begin with, the claim is made that this is a “professional walkie talkie.” The reality is that they are cheap and poorly designed. In most cases, they are not authorized to operate in Land Mobile service (LMR), and there have been FCC bulletins on this. The exempted use for them is in the Amateur Radio service where business use is not allowed, and the licensed operator is personally responsible for the proper operation of their equipment. This does not fit the definition of “Professional.”


Next, we have the claim of a 180Km (111 miles) range. In the VHF/UHF bands, radio transmissions are line of sight. At this distance, the curve of the earth gets in the way. For a six-foot-high person, the horizon is just three miles away. The radio signal will go a bit beyond that, but it will get blocked by the curve of the earth. You would need to be more than 2500 feet above the surrounding terrain with no other obstructions to reach this distance. The range that is expected has more to do with the obstructions in the way rather than the power.


The 300-watt claim is where it really starts to get absurd. Holding 300 watt transmitter in your hand could give you a really nasty RF burn, and you would not want this much power next to your head. This claim is not possible anyway, as the radio would burn up. The actual specification for the Baofeng UV10R pictured is 10 watts, not 300. This package is in no way equipped to dissipate 300 watts.

The Battery

Of course to support this mythical 300 watt transmitter would require a lot of power, so the seller claimed that the battery is 50,000 mAh (50 Amp Hour). A battery of that capacity would be about 7.72″ x 6.50″ x 7.17″ and weigh about 32 lbs.The actual battery is 4800 mAh (4.8 Amp Hour), at least according to the manufacturer specifications. If you tried to run a 300 watt transmitter on this battery, it wouldn’t last long, and there would be a significant chance of starting a fire.


The manufacturer (Baofeng) of this radio has a poor reputation to begin with, so it really doesn’t need sellers embellishing on top of that. You may not even get 10 watts out of this 10-watt radio. The power may be spread out to spurious signals that interfere with others. The seller claiming 300 watts out of this radio represents a whole new level of dishonesty.

The dishonesty continues

The radio below is a $20 radio, not professional at all. The range might be a mile in most cases. If you are standing on a mountain, you might get 50 miles out of it. Claiming 2170 miles off-grid is not reasonable. To be fair, there could be a freak propagation occurrence that you might see once in your lifetime if you are lucky, but there is no way that this radio would meet that expectation on any regular basis. The curve of the earth blocks the signal just beyond the horizon.

Another Baofeng scam
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