Learn About 2-Way Radios
Is there any way to boost the operating range of a 49 MHz toy Walkie Talkie?
And if there isn’t a way to boost one of these low-powered radios, then why was it made like that?
Is there any other device with that frequency but longer range? The only other devices I know are old cordless phones and R/C Toy cars.
I already have FRS/Gmrs and CB Radios that are supposed to be able to work over a distance of 10 miles. But that little 49 MHz two-way radio I bought is only a toy.
If I had the knowledge to build my own Walkie Talkie, would there be a way for me to make the range at least two miles?
I would like to learn about two way radios.
I hate the fact that the government won’t let us just do what we want to do. They expect us to buy a license for this and a license for that. It is so annoying.
I just want to learn basics of a walkie talkie, then go to the big stuff like ham radios.
I’ll be happy just to start with something simple
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Why don’t you start at Ham radio first? There is no minimum age limit, and I feel sure the US (I am assuming you are American) would now have an entry level license class. We do here in Australia.
Gaining this license is merely a couple of days of basic electronic principles, practical work on connecting and using radios, electrical safety and the regulations governing radio usage.
The final testing is multiple choice answers, and a practical demonstration of setting up equipment. Easy stuff.
What it allows you to do is use limited power transmission equipment on many of the amateur bands, enough to allow of world- wide transmissions if you so desire. But the introduction should give you some idea as to why licensing is necessary, and that basic license can be upgraded as you gain more knowledge.
To answer your question, though, antennas are the simplest way to gain transmission distance. At 49 mhz, which is a VHF frequency, unfortunalely gain antennas are still rather large. Not practical for a hand held!
Apart from that, to add gain to a ‘toy’ radio means increasing the effective equivalent power output, even if in one particular direction That’s probably illegal also.
It’s not likely your ‘toy’ would contain very sophisticated transmitters OR receivers, due to cost, mainly.
You might measure the antenna lengths fitted, though. For 49 MHz a length of 1.45 metres (pretty long!), may improve the situation.
That’s 1/4 wavelength at 49 mhz, less a tiny bit for what is called ‘end effect’.