This post looks at the fundamental differences between trunked and conventional radio networks.
What are the top level differences between Trunked and Conventional?
In a trunked system:
- The channels are assigned to the user automatically by the system
- The call set up time is several hundred milliseconds
- One channel per site must be used as a control channel.
In an analog conventional system:
- The user manually selects the channels
- The call set up time is almost instantaneous
- No control channels are needed, so all channels are available to the user
Analog FM can be... Continue Reading
Just four days after commissioning a Tait DMR Tier 3 system in Canterbury, New Zealand, the region was hit by a huge storm. Electricity Ashburton (EA) Networks Network Manager, Brendon Quinn, tells us how Tait and EA Networks worked together to design and implement the Tait DMR Tier 3 solution and how the storm caused him to rethink his position on trunking.
Connection Issue 5 – Click here to read this article online
“Back in 2011, we had a single repeater part way up the mountains so coverage, particularly on the eastern seaboard... Continue Reading
We’ve talked about the dangers of getting locked into the wrong P25 solution before. And yet, we still hear about people getting tangled in the proprietary web some vendors weave.
Genuine open standards are non-proprietary, so you are never under the control of one vendor. Choosing open standards will increase your choice of certified vendors and bring down prices, improve technical quality, and avoid the risk of being locked into a sole supplier. Continue Reading
The main difference between P25 Phase 1 and Phase 2 is system capacity, so the primary reason for opting for Phase 2 is additional capacity.
Phase 2 TDMA (Time Division Multiple Access) doubles the number of talk paths compared with Phase 1. P25 Phase 2 TDMA creates two logical channels in one 12.5kHz physical channel. Because the Phase 2 control channel is unchanged from Phase 1 there is compatibility between the phases. Continue Reading
Brent Williams, from Tait Solution Marketing, makes the case for DMR as the platform of choice for Utilities who are considering a multi-use distribution automation investment.
Voice and SCADA over digital trunked DMR
Traditionally, a common wide-area LMR networking scenario has been to deploy separate networks for voice and data, accepting the resulting duplication of infrastructure and operational costs. Unfortunately, when these combined voice and data networks were deployed, they struggled to deliver the QoS demanded for mission-critical voice and... Continue Reading
If you have never been involved in renovating your own house, you almost certainly know someone who has. It is a major logistical exercise in planning, perseverance, and above all, patience! Mostly, you will end up with what you want, but how often do you think “I wish I had shifted that wall/put in more storage/added another bathroom”?
There are so many things to decide, and only one chance to get it all right. And for most people, you will be carrying on your domestic “business as usual” amongst the chaos of upgrading your home.
Upgrading your radio system is a bit like that, but... Continue Reading
By Evan Forester, Marketing Campaigns Coordinator, Tait Communications.
Last week we introduced the new P25 Best Practice guides and website. Today we’ll dive a bit deeper to take a look at the first guide: First Steps to your P25 System.
I recently drove to a friend’s house and attempted a short cut. Unfortunately, I started by making the wrong turn. I ended up in a place I was unfamiliar with, but kept guessing the general direction of my destination. After a while, I literally found myself on the complete opposite side of town.
So much for finding a short cut.
If your first... Continue Reading
In this part of the P25 radio terminology, we cover multicast IP address, P25 gateways, QoS and other important P25 terms.
Previous parts of the P25 glossary: Part 1 (A to C) and Part 2 (D to K).
Local Area Network
Link Data Unit. Voice calls are sent over the CAI as a series of LDUs. Continue Reading
Previously, we covered the essential P25 terms from A to C. Continuing our series on must-know P25 radio terms, this week we bring you the second installment.
The data gateway is a function carried out in a Tait P25 base station or P25 console gateway operating in a TaitNet P25 conventional network. It provides a gateway between P25 radios and a data server and requires the Conventional Packet Data Services feature license. Continue Reading
Click to visit the website and download the P25 guides
We are happy to announce the launch of our P25 Best Practice website complete with the first four P25 Best Practice guides:
- First steps to your P25 system
- Specifying your P25 system
- Procuring your P25 system
- Implementing your P25 system Continue Reading