Just wanted to see if the group already knew the answer before I take the 
subject up with Cambium. 

It's also useful to have a conversation about the subject here.  Cambium does 
pay attention to this list, even though they would prefer to steer it all to 
their captive forum.

We deployed our first full cluster of (6) 450i's using MTI 60 degree sectors to 
upgrade a 4x90 430 site.   The upgrade went very smoothly with all customer 
SM's connecting to the 450i AP's.

Power and timing is from a CTM2 and all AP's are running clean on the Ethernet 
at GigE.   Timing over power is working perfectly so far.  I was pretty nervous 
after all of the issues we have seen with CRC errors on 450 and FSK over the 
years with timing over power.

Now to start swapping out 430SM's.  The 6 AP's instead of 4 helps but the 
430SM's are still driving the 450i's to 100 frame utilization.   A couple heavy 
hitters to 450 SM's will help that immensely.

Mark Radabaugh
Amplex
22690 Pemberville Rd
Luckey, OH 43447
419-261-5996

> On Jan 17, 2016, at 12:46 PM, George Skorup <[email protected]> wrote:
> 
> Those are all very good questions that Matt would need to answer.
> 
>> On 1/17/2016 8:39 AM, Mark Radabaugh wrote:
>> George,
>> 
>> I think  you understood the question fine - the issue with having anything 
>> other than a 450i SM to be able to use the 5.1 and 2 bands is the problem.   
>> The selection of SM’s available to use in 5.1/2 is currently limited to only 
>> the much higher priced 450i SM’s.   
>> 
>> Is Cambium planning on releasing or updating the ‘commodity’ priced 450SM to 
>> use the full frequency range of the AP or not?
>> 
>> Or put another way - the current 450I SM’s are simply license restricted 
>> versions of the AP, rather than a dedicated SM.   This makes the cost of the 
>> SM high due to the rugged case, high end CPU, timing hardware, extra memory, 
>> etc.   Will there be a stripped down SM capable of operating in 5.1/2 to 
>> make those bands (and therefor the 450i AP’s) more competitive and useful?
>> 
>> Mark
>> 
>> 
>> 
>>> On Jan 16, 2016, at 6:09 PM, George Skorup <[email protected]> wrote:
>>> 
>>> I guess I didn't understand Mark's question. Yeah, so the regular 450 is 
>>> locked by hardware filter to 5470-5900. 450i APs and SMs do 4940-5925 or 
>>> maybe 6050. You'll need a 450i SM to use the 5.1 and 5.2 bands. Then if you 
>>> have any 450 SMs on the sector, all that is moot.
>>> 
>>>> On 1/16/2016 4:35 PM, Josh Luthman wrote:
>>>> 450d physically can't, so it'll be only integrated...
>>>> 
>>>> Josh Luthman
>>>> Office: 937-552-2340
>>>> Direct: 937-552-2343
>>>> 1100 Wayne St
>>>> Suite 1337
>>>> Troy, OH 45373
>>>> 
>>>>> On Jan 16, 2016 5:34 PM, "George Skorup" <[email protected]> wrote:
>>>>> I believe Matt said they're still waiting on FCC approval for the lower 
>>>>> bands.
>>>>> 
>>>>>> On 1/16/2016 10:29 AM, Josh Luthman wrote:
>>>>>> Nope.  Just do 5.7 :(
>>>>>> 
>>>>>> Josh Luthman
>>>>>> Office: 937-552-2340
>>>>>> Direct: 937-552-2343
>>>>>> 1100 Wayne St
>>>>>> Suite 1337
>>>>>> Troy, OH 45373
>>>>>> 
>>>>>>> On Jan 16, 2016 8:19 AM, "Mark Radabaugh" <[email protected]> wrote:
>>>>>>> Has Cambium ever said what the plan is with respect to 450i and the 
>>>>>>> lower 5.1 and 5.2 bands?   The 450i AP can run in them at high power, 
>>>>>>> but the only SM’s available are the much higher priced 450i integrated 
>>>>>>> or a AP set to SM mode,  which makes it cost prohibitive for 
>>>>>>> residential deployment.                                  
>>>>>>> 
>>>>>>> Did I miss something?
>>>>>>> 
>>>>>>> Mark
> 

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