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59 posts

Master Geek

  # 1536239 20-Apr-2016 08:44
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I think I could a) connect a DECT base station to the phone port and use my wireless phones, or b) run a long phone line extension cable (with amplifier) the 80 meters to the house.

538 posts

Ultimate Geek

  # 1536395 20-Apr-2016 10:52
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Seems to me all you're really looking for is a reliable voice service at your house, be that cellphone or VoIP, (and perhaps better internet service if you're having VoIP issues with it!)




As such, my advice would be to go with the Vodafone RBI service. The Huawei B315 modem/router with high gain antenna would be installed in/on your shed. Use the Cat6 to then run from one of the B315's LAN ports to a switch at the house.  Then you can just set up your VoIP phone on that connection (I'm assuming you currently have a crappy ADSL connection which is causing your current VoIP performance issues!) and have a better internet connection as well.


Only thing you may have to watch is if the power for the shed and house are separate supplies and you have the Cat6 between the two. Something to do with grounding differentials?!? (I'm not an electrician but it's something like that!) If the shed supply runs from the house you should be OK. If not, the other way would be to use a couple of radios (like Ubiquiti Nanostations) to run a WiFi link instead of the Cat6.


53 posts

Master Geek

  # 1536461 20-Apr-2016 12:16
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kiwigander: I am in a somewhat similar geographic situation.

My solution is a yagi (from Tennatron in Motueka), a Huawei B315 box (from Vodafone) and a SIM (from 2^, but a Vodafone SIM would work just as well).

You don't want a rural broadband plan for this endeavour - just buy the B315 outright.

Plug a standard analogue phone into the RJ-12 port of the B315 and remember to dial the area code for every call.

To carry the signal 80 m from the yagi to the house you'll want some beefy coax. I suspect LMR400 would give the best results but you might be able to get away with RG213.

Geekzone member oxnsox may be able to offer some more detailed advice.




Iam planning a similar setup I have brought a ANT-205 antenna from Gowireless and a 3G Induction repeater from Jaycar . I will be doing some testing this weekend I will post how I get on...

1375 posts

Uber Geek

  # 1537124 21-Apr-2016 02:00
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If you have 2 bars at your shed without a high gain external antenna then  you should have plenty of signal.


Get 2 antennas the same and you might be able to do a passive repeater, take the one antenna point it to the tower, then hide the 2nd antenna but have it pointing at your house.


It may give enough signal.










195 posts

Master Geek


  # 1537205 21-Apr-2016 09:17
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I see .. so any modem/router that has a GSM input w/external antenna and supports a handset would work.

To use Spark/Skinny you'll need either a 4G (LTE) signal or an 850 MHz capable 3G (UMTS) transceiver. The B315 is 4G capable, but on 3G it does not support 850 MHz. Therefore it's both 3G and 4G capable on 2^ and Vodafone but only 4G on Spark/Skinny.

If you can use two conductors of your Cat6 to carry your voice signal between shed and house, great! Put the B315 at the shed and save a lot of hassle running coax.

1 post

Wannabe Geek

  # 1537262 21-Apr-2016 09:56
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I understand you main concern is having mobile service down at the house. Have you checked the signal on top of your house? If you go up on the roof you may find you can install a high gain Yagi antenna on a pole to pick up signal. This can then run down into your phone via a patch lead.


If the answer is there is not signal, running a low loss 80m cable from the shed to the house like LMR400 is not really an option. You will get around a 10dBi loss in the cable, which with two bars of usable signal is not ideal. Powertec New Zealand sell this kind of gear




The other option is a Cel-Fi repeater as a previous post suggested. I have used the Cel-Fi Cell Phone Booster extensively and found it to be great for Spark and 2degrees (will not roam over to Vodafone using 2degrees). I heard Vodafone may consider the Cel-Fi in the future, but at the moment it's not approved, so this is not an option unless you switch carriers.


Yes be very careful with non approved repeaters/boosters as they are illegal to use if you do not have permission from the carrier.




Cel-Fi can be setup with the Window unit at the shed to pick up the signal and the coverage unit at the house to disburse the signal. There is a wireless link between the boxes and up to 80m is achievable if the boxes have line of sight.


More information on Cel-Fi


Hopefully a Vodafone model will be out soon!









59 posts

Master Geek

  # 1537501 21-Apr-2016 14:28
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I can understand why Spark or Vodafone would not want someone to install an active repeater, and I also understand why it is not feasible for them to not install new towers to provide coverage to a few individuals.  But why don't they have one of their installers install an active repeater?  That way they could be assured there is no issues in disrupting service on their existing towers due to interference.


The Vodafone RBI service is a possibility .. we had that checked about three years ago but since then I they must have installed new towers.  Or maybe the cellphone 2 bars signal level is different from the RBI signal level due to different towers or antennas.


Besides voice we also need to get SMS because it seems many services including online Banking now require a cellphone SMS function in order to send verification codes.  For instance, we cannot do a wire transfer online because the authentication uses a SMS message.  So it seems getting a cellphone working is becoming more important.



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