Prev: Two zero for a copy, come back
Next: Three - cheap international calls ... ??
From: JL on 22 May 2010 09:53
Just browsing the Sitefinder website and see quite a few O2 masts
around me are 900, 1800 and 2100 MHz.

So, on a 2G phone, would it connect preferably to the 900MHz or
1800Mhz bit? - Is it simply the strongest signal?

What is the advantage of having both frequencies - I assume capacity?
Does this mean that if the 900MHz was running at full capacity, and my
handset was using that antenna, and I make a call - would the phone
switch to the 1800MHz bit to connect or would I get a network busy
tone?
From: R. Mark Clayton on 22 May 2010 14:36

"JL" <newsaccount(a)mail2web.com> wrote in message
news:6d35e878-77eb-4b2c-9df9-37add150f68a(a)v18g2000vbc.googlegroups.com...
> Just browsing the Sitefinder website and see quite a few O2 masts
> around me are 900, 1800 and 2100 MHz.

These are Macro-cells.

>
> So, on a 2G phone, would it connect preferably to the 900MHz or
> 1800Mhz bit? - Is it simply the strongest signal?
>
> What is the advantage of having both frequencies - I assume capacity?
> Does this mean that if the 900MHz was running at full capacity, and my
> handset was using that antenna, and I make a call - would the phone
> switch to the 1800MHz bit to connect or would I get a network busy
> tone?

2G1Hz is UMTS. You need a 3G phone. Also provides O2 mobile broadband.

1G8Hz was for GSM. Orange and T-Mobile only run on this. Better
directionality.

900Mhz was for the original TACS / ETACS analog systems, which Voda and O2
have replaced with GSM. Better range, better over rough terrain and inside
buildings. For maximum coverage get a phone and network that support this.


From: tony sayer on 22 May 2010 16:01
In article <VaednfjU7-xtvmXWnZ2dnUVZ8u6dnZ2d(a)bt.com>, R. Mark Clayton
<nospamclayton(a)btinternet.com> scribeth thus
>
>"JL" <newsaccount(a)mail2web.com> wrote in message
>news:6d35e878-77eb-4b2c-9df9-37add150f68a(a)v18g2000vbc.googlegroups.com...
>> Just browsing the Sitefinder website and see quite a few O2 masts
>> around me are 900, 1800 and 2100 MHz.
>
>These are Macro-cells.
>
>>
>> So, on a 2G phone, would it connect preferably to the 900MHz or
>> 1800Mhz bit? - Is it simply the strongest signal?
>>
>> What is the advantage of having both frequencies - I assume capacity?
>> Does this mean that if the 900MHz was running at full capacity, and my
>> handset was using that antenna, and I make a call - would the phone
>> switch to the 1800MHz bit to connect or would I get a network busy
>> tone?
>
>2G1Hz is UMTS. You need a 3G phone. Also provides O2 mobile broadband.
>
>1G8Hz was for GSM. Orange and T-Mobile only run on this. Better
>directionality.
>

Beg to differ some Voda bases use that band in built up areas...

>900Mhz was for the original TACS / ETACS analog systems, which Voda and O2
>have replaced with GSM. Better range, better over rough terrain and inside
>buildings. For maximum coverage get a phone and network that support this.
>
>

--
Tony Sayer



From: Steve Terry on 22 May 2010 17:58
"JL" <newsaccount(a)mail2web.com> wrote in message
news:6d35e878-77eb-4b2c-9df9-37add150f68a(a)v18g2000vbc.googlegroups.com...
> Just browsing the Sitefinder website and see quite a few O2 masts
> around me are 900, 1800 and 2100 MHz.
>
2.1G is 3g, if your O2 3g phone can't connect it'll roam on to O2 2g
>
> So, on a 2G phone, would it connect preferably to the 900MHz or
> 1800Mhz bit? - Is it simply the strongest signal?
>
900MHz first, then 1800MHz if can't connect to 900
>
> What is the advantage of having both frequencies - I assume capacity?
> Does this mean that if the 900MHz was running at full capacity, and my
> handset was using that antenna, and I make a call - would the phone
> switch to the 1800MHz bit to connect
>
Yes
>
> or would I get a network busy tone?
>
That's what the 1800MHz capacity is there to avoid

O2 3g phone and 3g sim will give you best voice connection options
on that cell

Steve Terry
--
Welcome Sign-up Bonus of �1 when you signup free at:
http://www.topcashback.co.uk/ref/G4WWK


From: Peter Parry on 22 May 2010 18:46
On Sat, 22 May 2010 19:36:00 +0100, "R. Mark Clayton"
<nospamclayton(a)btinternet.com> wrote:


>2G1Hz is UMTS. You need a 3G phone. Also provides O2 mobile broadband.
>
>1G8Hz was for GSM.

GSM was 900 MHz. 1800 MHz was "PCN" (Personal Communications Network)
until renamed the more sensible GSM1800 as it was GSM in all respects
other than the frequency. You now have GSM900 and GSM1800, identical
in all but carrier frequency.

>Orange and T-Mobile only run on this. Better directionality.

There is little intrinsic difference between the two frequencies
except that 1800MHz tends to be easier to set up to have a shorter
range - quite useful when you need a lot of base stations in an urban
area where congestion is more of a problem that range.

>900Mhz was for the original TACS / ETACS analog systems, which Voda and O2
>have replaced with GSM.

Both Vodafone and O2 also use 1800MHz and have done for some years. In
particular pico cells are often on 1800MHz.

>Better range, better over rough terrain and inside
>buildings.

Actually very little difference in it. Up to the GSM absolute limit
of 35km range both work more or less equally well. If double time
slots are used in very sparsely populated areas (as in Australia) to
go beyond 35km limit 900MHz has some advantages. I don't think this
is used anywhere in the UK.

Building coverage in particular, whilst obviously frequency dependent
in individual cases, shows little or no overall difference between 900
and 1800MHz.
 |  Next  |  Last
Pages: 1 2 3 4 5
Prev: Two zero for a copy, come back
Next: Three - cheap international calls ... ??