Category Archives: 2 way radio

2 way radio

2 way radio

What You Could Be Missing Out On When You Don’t Look At The Icom IC-F27SR

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You might be safe in the knowledge that I bring the best Walkie talkie articles, some of which are my own several of them are curated by me, if i choose to use somebody elses content it’s because it is important to my readership, so feel confident that you simply are reading the very best from my industry.

Professional PMR446 Licence Free Two Way Radio

The IC-F27SR professional Licence Free Two Way Radio is the successor to the best selling IC-F25SR and retains the simplicity, functionality and build that made the original so popular. However, there have been some big improvements including a smaller and lighter body, 800mW loud and intelligible audio, built-in VOX function and several new scanning and security features. To top it off, the IC-F27SR includes highly efficient circuitry that provides up to a massive 35.5 hours of operating time with the supplied BP-265 2000mAh Lithium-Ion battery pack.

High performance, Professional Licence Free Radio 
Outstanding audio quality, high performance and strong commercial build make the IC-F27SR the ideal licence free radio. This licence free radio is ideal for users in diverse areas such as construction, catering, event management, shopping centres, factories, farms as well as serious outdoor enthusiasts.

Up to 35.5 hours of operating time
The IC-F27SR features highly efficient circuitry, providing up to a massive 35.5 hours of operating time* with the supplied BP-265 2000mAh lithium-ion battery pack. This means it can be comfortably last an entire shift.
* Tx: Rx: Stand-by =5: 5: 90 with power save ON. 24.8 hours with BP-264

Outstanding audio quality 
800mW audio output is provided from the large 45mm speaker meaning the IC-F27SR can deliver loud and intelligible audio even in extremely noisy environments such as a busy shop floor or construction site.

Just three main controls
Transmit button, volume control and channel selector. This simple to use radio is ideal for high turnover environments and shift work where the radio is constantly passed from person to person.

Lightweight, Compact Body
Small size (58×186×36.5mm) and lightweight (285g) makes this transceiver ideal for all users.

Commercial grade construction
The IC-F27SR is extremely rugged. It has been tested to 11 categories of environmental and military standards for dust protection and water resistance making it suited to outdoor use.

Internal VOX for Hands-free operation
Built-in VOX function provides convenient hands-free operation, when used with our optional headset adapter cable.

500mW output power 
Provides wider communication coverage.

Other features 
• CTCSS and DTCS encoder and decoder for group call
• Surveillance function turns off the LED and beep sound
• Siren function can be used for security alarm
• Power save function
• Low battery alert
• Time out timer
• Monitor function

  • High performance, Professional Licence Free Radio
  • Up to 35.5 hours of operating time with BP-265 Li-ion battery pack *Typical operation with power save on. TX:RX:Stand-by=5:5:90
  • Outstanding audio quality
  • Simple to operate, just three main controls
  • Lightweight, compact body
  • Internal VOX for hands-free operation (Optional headset and adapter cable required)
  • IP54 and MIL-STD-810 ruggedness
  • CTCSS and DTCS tone squelch for group call
  • Same accessories as “F3002/F4002” series handhelds
  • 2 year warranty on transceiver, 1 year warranty on accessories
2 way radio

Motorola Solutions Adds RFID-Enabled Knobs to Radios

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What’s your favorite feature of my Walkie talkie? Personally, I like the design job – It is cooler than an Inuit’s underpants!

The volume knob, which can be retrofitted into the company’s Mototrbo two-way radios, enables users to conduct inventory counts of 50 radios in six seconds, instead of four minutes.

Two of Motorola Solutions‘ business divisions combined forces this year to develop an RFID-based solution known as RFID Fleet Management, for managing the locations of its Mototrbo two-way radios. The system features a volume-control knob with a built-in RFID tag, enabling users to locate radios more efficiently than having to manually search through several models, reading serial numbers or scanning bar codes. The solution also includes Motorola EPC Gen 2 ultrahigh-frequency (UHFRFID readers. Software to manage read data, as well as training, support and service, are being provided by Motorola’s reseller and solution-provider partners. Beginning at the end of this month, the new knobs will be shipped to customers, upon request, as a retrofit for their existing radios.

Motorola Solutions sells its Mototrbo two-way radios to customers, such as product manufacturers, and other companies with mobile personnel. Motorola Solutions’ Mototrbo customers include organizations that rent the radios to the end users. Both types of companies can have inventories of hundreds or thousands of radios, which must be accounted for periodically—at the end of each day, weekly or monthly, for example—to confirm that the radios have not gone missing, and that every user returns the correct units. Without RFID, each radio assigned or rented out must have its bar code scanned or its serial number recorded in order to create a record of which radio was provided to which employee or company, and when this occurred.

With the RFID Fleet Management solution, the radio’s original volume control knob (left) is replaced with an RFID-tagged version (right).

According to Carrie Angelico, Motorola Solutions’ senior channel business development manager for data-capture solutions, Mototrbo users told Motorola how exhaustive the inventory-management process could be, and the company’s radio division began discussing a solution with its own RFID division. The result is a volume-control knob containing a Motorola UHF RFID Custom Tag, made with an Omni-ID tag, encoded with a unique ID number that can be associated with the radio’s own serial number in the user’s software.

The solution is designed to be a retrofit option for those with Mototrbo two-way radios. Users first acquire the RFID-enabled knob as a replacement for the existing volume knob. The knob’s built-in RFID tag can then be read via any of Motorola Solutions’ handheld or fixed readers, including a desktop interrogator that could be used for checking radios into and out of a storage area.

– See more at: http://www.rfidjournal.com/articles/view?11706#sthash.xhADvZzf.dpuf

2 way radio

DMR Tier III: the open standard for radio communications

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So i discovered this short article on the web and i was told that just posting it as the whole article is not the right thing, I got consent from the original writer and read up how to curate posts, so that is it…….i thought this was interesting as it highlights some of the highs and lows that I encountered when i was working within the business.

Private mobile radio is fast becoming an essential communications solution to support the operational needs of utilities companies, airports, oil and gas pipelines and emergency services.

When compared to public cellular services, it delivers improved coverage, reliability and resistance, contention, security, group communications and performance.

The digital landscape is crowded, though, with a number of public safety digital standards such as TETRA, P25 as well as low cost digital solutions including DMR (Digital Mobile Radio), dPMR (digital Private Mobile Radio), NXDN and PDT (Professional Digital Trunking).

DMR is coming out on top thanks to the open standard nature of DMR Tier III trunking, which is driving its emergence, ongoing development and adoption across global markets.

But do open standards matter? While open standards are less important in the small system market, they are critical to the long-term case for the radio system in the medium to large systems sector, and it is here that open standard DMR Tier III will dominate.

Essentially, DMR Tier III trunking features a control channel on each radio site and allocates traffic channels on demand making it frequency efficient and enabling a large number of users to share a relatively small number of channels. Radio sites can easily be inter-connected, usually using IP connections, making it possible to deploy systems ranging from a single site to hundreds of sites spread over a large geographical area.

The open standard way

The DMR standard includes the facility for implementers to provide ‘manufacturer extensions’, enabling manufacturers to provide proprietary features within the framework of the DMR air interface definition. This allows them to complement the standard set of DMR call functions with their specific facilities.

This has the advantage of enabling customers to request specific functionalities to support the manufacturer’s business operation needs and also enables them to provide innovative features that differentiate their solutions from others implementing the same standard.

One disadvantage to this offering is that interoperability can only be possible for those features that are fully defined by the standard and that customers using manufacturer extensions are effectively locked in to a single manufacturer solution rather than enjoying the vendor choice that a standard enables.

To address the pros and cons, the DMR Association (DMRA) has struck a balance between robustness and cost with their interoperability process, which focuses on testing the conformance of products against the published standard that describes the over-air signalling. The DMRA facilitates testing between a terminal manufacturer and an infrastructure manufacturer, and the two parties carry out the testing against a standard test specification. Test results and logs of all messages sent over air are recorded during the testing and then are inspected by one or more independent third parties during a detailed review meeting. Only after the independent third parties are satisfied that the equipment under test has conformed to the open standard specification is an interoperability certificate issued.

Ongoing standards development

Whilst this facility can be useful, extensive use of manufacturer extensions would call into question whether DMR was a standard that delivers interoperability (and therefore vendor choice) or whether it results in proprietary solutions rather than following an open standard.

The answer to this lies in the work of the DMR Association. The DMRA has a technical working group – made up of competing manufacturers – who collaborate to ensure the standard succeeds. Any proprietary features from the manufacturers, which are believed to have wide market appeal or have useful features the standard doesn’t yet specify, are debated in the group. They are then developed to further advance the standard to the benefit all of the manufacturers and indeed the customers who choose to implement DMR technology.

The DMRA is further developing the standard to meet future market demands by identifying important new features and ensuring these are developed and included in new releases of the ETSI standards.

The future of DMR Tier III

Open standards are critical to providing long-term support and stability to customers. The adoption of the standard by a critical mass ensures its longevity over other similar competing technologies that have lower levels of support by offering the market vendor choice and maintaining low costs.

Is DMR Tier III radio communications’ open standard for the future? Yes. Due to DMRA’s authority, the robust and well-supported interoperability programme and the long-term commitment of a large number of manufacturers, it is emerging as the most successful low cost digital technology for complex projects – and therefore the open standard that no other private mobile radios can contend with.

Source – http://www.telecomstechnews.com/news/2014/apr/25/dmr-tier-iii-open-standard-radio-communications/

2 way radio

The IC-4088SR: A PMR 445 Licence Free Radio

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So to carry on my run of articles on this blog, I have planned to share one of my favorite posts this week. I used to be cautious to add it to this website as I really didn’t wish to offend the original author, but I hope he/she is glad that I loved reading their work and wanted to share it with my readers.

PMR446 Handheld Transceiver

Designed to meet the demands of the licence free PMR 446 service, the IC-4088SR builds on its predecessor’s functionality, features and operating performance.

Featuring a high level of flexibility, the IC-4088SR allows instant communication between members of a group in and around buildings and over short distances. This makes it the perfect tool for keeping in touch with friends, family and work colleagues whilst in close proximity to them. The applications for the PMR446 service are almost limitless and the IC-4088SR would be suitable for camping, golf, catering, use in sports centres, on building sites, catering, events management, neighbourhood watch, factories, farms etc. What’s more it is water-resistant making it ideal for rambling, trekking, or for use on inland waterways etc.

An optional external charger socket or cigarette lighter lead allows you to charge and operate the IC-4088SR allowing you to use the IC-4088SR when and whenever you like. 

The IC-4088SR has all the hallmarks of a quality product. It is well designed, easy to use and very robust. Its strong body makes it ideal for outdoor activity enthusiasts, for example. In fact the IC-4088SR is ergonomically designed and there are an absolute minimum number of switches making operation quick and intuitive. The large, easy to read LCD shows operating information at a glance with clear status icons such as ‘low battery’ and ‘timer’ that are easily recognisable. 

In addition to its ease of use and aesthetic design the IC-4088SR is packed full of communication features that provides the user with a high level of usability and convenience. Among these useful functions are a simple voice scrambler that will provide secure private communication and a handy ‘Automatic Transponder’ function which automatically warns you if the other radios are out of range. 

Other useful operating functions include a call ring function, which allows you to send a ring tone when calling another party – similar to using a mobile phone. Ten different ring types can be selected from. To ensure clear communications with other radios, you can select from 8 different radio channels and 38 different group codes, giving more than 300 different combinations to choose from. A Smart Ring function is also included which lets you know whether your call has got all the way through.

The IC-4088SR transceiver is available with charger and four rechargeable batteries. Two commercial multi-packs are also available.

 

  • Rugged construction and high performance antenna
  • External DC power jack
  • Built-in voice scrambler
  • Simple to use for everyone
  • Economical three alkaline cells
  • Splash resistant construction
  • Built-in CTCSS encoder and decoder
  • Automatic transponder system
  • Smart-ring function
  • Call-ring function
  • Power save function
  • Low battery indicator
  • Automatic power-off timer (0.5–2 hours)
  • Scan function
  • PTT hold function
  • Variable time-out-timer (1–30 minutes)