If I remember correctly, you typically get one mile of transmitting range for every watt of power in the radio. The hand held radio had five watts of power and therefore will typically transmit five miles.Someone please correct this if it is wrong.
Ben, We offer marine electronics at wholesale prices as well as marine accessories. Check our website out www.taskmarine.com and click on the Electronics page. I can get anything you see in any store or catalogue/website. I have in stock Standard Horizon HX 600 handhelds for $79.00 Icoms, Midlands, Cobras etc are also available. Matt.
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