[Yaesu] What is wrong with SMA?

Rudy Marcelletti k8swd at verizon.net
Tue Jan 9 14:27:10 EST 2007


BNC has a greater connect/disconnect life cycle than SMA and is more rugged
and faster to connect/disconnect.  I read somewhere that average life of SMA
is roughly 300 or so cycles of connect/disconnect and BNC is in the 1,000's.
People want smaller, yet feature packed radios every year, so SMA was added
to this end.  It's not like we are constantly connecting and disconnecting
antennas and if you are, you need another HT and/or a mobile rig.  Rudy,
K8SWD

-----Original Message-----
From: yaesu-bounces at mailman.qth.net [mailto:yaesu-bounces at mailman.qth.net]
On Behalf Of KBØNLY
Sent: Tuesday, January 09, 2007 10:29 AM
To: Yaesu Reflector
Subject: Re: [Yaesu] What is wrong with SMA?

I like the SMA on my VX7R compared to the BNC connector.  First of all the 
SMA give a better, more solid, connection in my opinion.  Every HT I ever 
had with a BNC got loose and wobbly after use.

Sure, the SMA does have its drawbacks.  Its fragile in many ways, I've seen 
guys cross thread them, and I have seen HT's with the SMA snapped off from 
being dropped with a dual band whip on it.  And then you have people who 
hang a SO-239 to SMA adapter off it and wonder why its broke, etc..

Overall though, I would rather have the SMA.  If you have a current HT with 
SMA and want BNC they make a nice low profile adapter to screw onto the 
radio and put whatever you want for a BNC antenna on instead.

73,

Scott



----- Original Message ----- 
From: "John Geiger" <johngeig at yahoo.com>
To: <icom at mailman.qth.net>; <yaesu at mailman.qth.net>; 
<kenwood at mailman.qth.net>
Sent: Tuesday, January 09, 2007 9:19 AM
Subject: [Yaesu] What is wrong with SMA?


>I have been reading some equipment reviews on a
> website, and many reviewers complained about an HT
> having a SMA connector instead of a BNC.  So what is
> wrong with SMA connectors?  I like them better than
> BNC connectors since they are smaller and are just as
> easy to use.
>
> 73s John W5TD
>
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