[TheList] Pofung UV6 R Transceiver

Tue Dec 11 13:39:01 AEDT 2018

Devices such as the Raspberry Pi, Arduino transmitters, garage door
remotes, cordless phones and a multitude of others are classified as 'SRD'
- short range devices and come under a GURL for their particular band.

Any device that is an SRD can be made to transmit further than its intended
range, at which point it ceases to be an SRD for the purposes of the Act
and if you do this and don't hold the relevant license for that frequency
then technically you are in breach of the regs.
Whether RSM come chasing you depends mostly on whether you're interfering
with established services (other licences).

The thing to remember about RSM is they're not a police force. They have
limited resources and funding, and generally only go hunting for a rogue
transmission if it's causing problems.
A good example was a guy in West Auckland a few years back operating a low
power FM station using a modified linear amplifier that had no output
filtering. It was splattering across the aircraft band and also getting
into the front end of an emergency service's repeater.

Having a low power FM transmitter on the air but broadcasting no program
(silent carrier) is a breach of the GURL, but RSM won't come out knocking
on your door if that's all you are doing.
[This is where the LPFM system is supposed to be self-policing but that's
another story].

I've never had anything to do with these cheap china handhelds but as an
example, when programming up a Tait RT, if you enter 000.0000 into the TX
field it inhibits the transmitter on this channel making it receive only.
If you were able to do this on the handheld radio then that turns it into a
receiver only and providing the user doesn't change the programming then
it's not going to cause anyone any problems.

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