two Way Radios for Public Safety

2 way radiosSo to carry on my run of posts on this blog, I’ve planned to share one of my favourite content pieces this week. I used to be hesitant to add it to a blog as I really didn’t want to offend the original author, but I trust he/she is glad that I enjoyed reading their work and wanted to share it with my readers.

With the ever present threats from civil unrest, active protest, terrorism and natural and man-made disasters, public safety agencies around the world are stretched to their limits in resourcing to manage situations in ways that will protect the public from injury or harm.

When disaster strikes, police, fire, ambulance, medical, and other services need to be able to work together in harness and communicate with each other to coordinate efforts.

It is of course mission critical that a reliable two-way radio service is available and the key to effective two-way radio communications in public safety is the interoperability of radio systems employed by the various first response services, the capacity of the network and its coverage; any delay or drop-out in communications could have catastrophic consequences.

Kenwood’s NEXEDGE® digital solutions are designed to provide secure, fail-safe radio communications systems in public safety applications. Infinitely scalable, multi-channel trunked networks using wireless microwave or IP connectivity (as the primary or back-up method) ensures reliable service even when wired communications lines are rendered inoperable by adverse environmental conditions.

Among its many benefits, NEXEDGE® Digital Two-Way walkie-talkies and in-vehicle units additionally feature an Analogue/Digital Mixed Mode which allows them to communicate automatically with any existing analogue radios whatever the make; providing a straightforward and economical way to use existing radios while migrating to the benefits of digital without compromising service quality and reliability.

All NEXEDGE® hand portable walkie talkies conform to MIL-STD-810 C/D/E/F/G for ruggedness and durability and are IP54/55 Water & Dust Intrusion rated, making them ideal for operation in harsh environments.

Kenwood The radio systems are widely employed by public safety agencies around the world including the national ambulance service in Lithuania, numerous fire services in Poland and regional police forces in Europe, Africa and the USA.

Securing your Wireless LAN

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It is common practice to deploy wireless systems and walkie talkies for convenience programs needing customers to become mobile. Also many “road players” have Wi-Fi accounts that allow them to access the web and also the corporate network from remote locations. In addition, many deploy Wi-Fi in your own home to prevent the down sides of wiring the house. But because wireless systems operate by broadcasting an invisible signal between nodes, they’re especially susceptible to cyber-terrorist and abuse.

Wired equivalent privacy (WEP) has been utilized previously to secure wireless LANs. However, WEP has significant weak points, most particularly it uses file encryption secrets which are both static and known by stations over the network, also it utilizes a weak implementation from the file encryption formula. Thus, it is crucial that wireless systems AND Motorola CP040 two Way Radio be protected through the new generation of security measures available these days.

Advanced Wireless Security Measures

IT personnel have many available alternatives to create their wireless systems safer compared to what they are utilizing WEP:

. The Wi-Fi Alliance is promoting Wi-Fi Protected Access (WPA), which is really a standards-based security technology in line with the IEEE 802.1X standard. It’s free and included in both Home windows XP and Macs OS/X. Any equipment using the Wi-Fi Alliance sticker is assured to aid WPA. WPA2, applying IEEE 802.11i, continues to be launched, so customers of WPA should intend on a migration as equipment while using new standard becomes available.
· Separating the wireless network on the private LAN is definitely an choice for individuals who choose the safety of Virtual Private Systems (VPNs). IPSec (IP Security) can be obtained being an even more powerful alternative to WPA and WPA2. IPSec props up secure exchange of packets in the IP layer and it has been used broadly to employ VPNs. Although a less secure VPN option than IPSec, Point-to-Point Tunneling Protocol (PPTP) could be layered over WEP to supply authentication an additional layer of file encryption being an choice for individuals who require support for older laptop systems. Whatever option would be used, you have to make sure road players always access corporate assets over connections which are protected using strong file encryption, either using a VPN or using SSL-enabled web pages.
· Separating clients by stopping them from speaking to 1 another around the wireless network is definitely an option which prevents wireless cyber-terrorist from attacking other customers. This is particularly helpful in public places wireless systems, and client isolation is a very common feature within the more advanced wireless access points and hotspot kits.
· Controlling accessibility wireless network whilst enabling access for visitors is frequently an issue. Many wireless products support guest access by segregating unauthenticated customers inside a separate virtual LAN aside from the organization network. You may even wish to impose an easy firewall that supports web authentication.
· Accessibility wireless network may also be limited to machines whose MAC addresses match addresses with an approved list. Their email list could be either static or saved on the RADIUS server for look-up.
· Finally, the majority of the more sophisticated access points have adjustable signal talents, different from merely a couple of milliwatts as much as hundreds of milliwatts. Different the signal strength can prevent signal from seeping from the building to surrounding structures and parking lots, and may prevent eavesdroppers from obtaining the wireless signal while relaxing in their automobiles or inside a nearby building.


Items are increasingly being offered which will make available commercial implementations of recent standards in wireless network security. Complications can arise when attempting to integrate new equipment and standards with legacy systems, however in many cases suppliers have covered such deployment situations. With one of these new items and also the standards they implement, your wireless network may be a minimum of as secure as the wire-based network.

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