By working out how to make printable graphene ink, scientists have taken an important step towards applying it in commercial applications such as wearable wireless devices and sensors connected to the Internet of Things. [ + ]

Critical Comms spoke with Tom Guthrie, Motorola Solutions' US-based vice president for smart public safety solutions, to get his views on how developments such as big data will change the face of public safety comms. [ + ]

The International Telecommunications Union (ITU) celebrated its 150th anniversary on 17 May, marking a long and illustrious history at the cutting edge of communication technologies. [ + ]

The ITU has established a focus group to identify the network standardisation requirements for the 5G development of international mobile telecommunications for 2020 and beyond. [ + ]

A US research team has developed a powerful and sensitive software-defined GPS receiver that can extract centimetre accuracies from the inexpensive antennas found in mobile devices. [ + ]

Canadian first responder organisations are celebrating their federal government's decision to set aside a second 10 MHz of the 700 MHz spectrum for public safety purposes. [ + ]

Almost 200 scientists from 39 nations are demanding more protective exposure guidelines for EMF and wireless technology in the face of increasing evidence of risk, calling it a rapidly growing form of environmental pollution.

Comms Connect Sydney will be held 3-4 June and has attracted almost twice as many exhibitors as last year, plus a first-class line-up of speakers, workshops and case study presentations. [ + ]

Powered fibre provides Ethernet over greater distances and higher noise immunity than PoE without requiring remote end power, enabling easier connectivity for Wi-Fi access points and small mobile device cells. [ + ]

Lockheed Martin has partnered with Project Lifesaver International and Loen Engineering to aid first responder agencies by combining the Indago small unmanned aerial system with an innovative lightweight antenna and receiver. [ + ]

Simoco and Pacific Wireless Communications have teamed up to support alpineSAR's rescue efforts with the donation of a portable repeater. [ + ]

The US National Institute of Standards and Technology (NIST) has published an analysis of how a public safety broadband network can be secured so that only approved first responders and public safety personnel can access it. [ + ]

Trials in Germany have shown that LTE is highly viable as a communications medium for power utility smart metering systems. [ + ]

Vertel is building Australia's first national DMR Tier III network, with stage one now operational in NSW. [ + ]

Radio technology developed by the CSIRO and commercialised by an Australian company holds the promise of higher-performance radio networks without the need for extra spectrum. [ + ]