Posted by cosmas (18.104.22.168) on July 28, 2003 at 13:05:19:
In Reply to: Re: high range fm transmitter posted by Tomi Engdahl on June 18, 2003 at 07:39:30:
: : hai
: : any one having a high range and easy to build fm transmitter.pls let me know and give me website or post me(i came to know that some transmitters have 3 to 4 km range)
: : pls
: Long range like this needs quite bit of power.
: And in radio transmitters usually lots of power, good operation and simple construction are not usually in the same package.
: I quess that for 3-4 km range on on FM badn you would need a good antenna and possibly few watts of power.
: The FM Transmitter circuit shown at
: claims to give 3 to 3.5 W output power that can be used between 90 and 110 MHz.
: I have not tested myself this circuit.
: This circuit link was picked from Radio Transmitter Links section in this site at
: Note on radio transmitters:
: Remeber that if you operate a radio transmitter without a permit you can get quite high fines or go to jail in many countries. Even owning a radio transmitter without a permit is illegal in many countries. Check the local legistlation before starting to build or use any radio transmitter. You should check the law before buying any transmitting equipment as a fine, confiscation of equipment and/ or imprisonment can result from illegal use or ownership. The laws vary from country to country.
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