Chuck, Lets compare Cellular vrs 2-way radio.

 

 

 

 

 

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From: [email protected]
[mailto:[EMAIL PROTECTED] On Behalf Of Chuck Kelsey
Sent: Tuesday, February 19, 2008 4:43 PM
To: [email protected]
Subject: Re: [Repeater-Builder] Re: Motorola XPR 8300 - Mototrbo Repeater

 

M/A-Com offers 4-slots on their TDMA products.

 

Chuck

WB2EDV

 

 

----- Original Message ----- 

From: Mike Mullarkey <mailto:[EMAIL PROTECTED]>  

To: Repeater-Builder@ <mailto:[email protected]>
yahoogroups.com 

Sent: Tuesday, February 19, 2008 6:33 PM

Subject: RE: [Repeater-Builder] Re: Motorola XPR 8300 - Mototrbo Repeater

 

Hi to all,

 

The Motorola MOTOTRBO repeater is yes a TDMA product. Keep in mind it is the
first release offering and there will be many changes with firmware
regarding these products. How about a TDMA product that will have the
ability to have two time slots using the same frequency and what it you were
able to have Digital Trunking. So do the math, on a standard Analog
frequency you can have one conversation at a time. With the Digital TDMA,
you get two voice conversations. Coming from SMR point of view that makes
since. Now you build out a 3-channel LTR system, you have the three channels
you license and pay around $1000 for the three and then about $3 to $4000
per channel depending on filtering and antennas and that are a bit on the
cheep end. With the MOTOTRBO, you get two for one. I think you should get it
by now. Take the Ham out of the equation here. What the manufactures are
looking at what is best migration path to get to a digital format. Keep your
eyes out on the product update for the new features for this product line
here in the real near future.

 

Kenwood & ICOM collaborated on the FDMA 6.25Khz path and works very well.
However costs twice as much as a system operator to implement. We all HAMS
will be at a digital standard at one time and we all know change is a hard
thing to handle.

 

Mike Mullarkey (K7PFJ)


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