RF and Wireless Solutions

TELEGRID has developed several wireless mesh network radios.  They include the modular Mobile ad-Hoc Network (MANET) uMESH radio which can be configured to satisfy specific customer requirements.  One of the configurations includes a large rechargeable battery set that allows the radio to operate in the field for over 24 hours.  Since TELEGRID embraces open-source platforms such as OpenWRT and the open routing protocol B.A.T.M.A.N. our systems easily integrate with other wireless mesh products and benefit from the rapid development of the open source community.  A uMESH radio has been mounted on a drone and successfully tested as a tactical range extension capability.


uMesh – Wireless Mesh Network

The TELEGRID uMesh Wireless Mesh Network is a flexible, ad-hoc, self-forming wireless network based on the 802.11/b/g/n IEEE standard. It is composed of a collection of stationary, mobile, or airborne nodes formed by TELEGRID uMesh Radios that operate in the 900 MHz, 2.4 GHz and 5.8 GHz frequency bands. Ad-hoc networks operate without a centralized access point or existing infrastructure and are self-forming and self-healing. They can be deployed in stationary architectures, such as with unattended ground sensors, or in mobile or airborne applications where network topology is unpredictable.

The main element of the uMesh Wireless Mesh Network is the uMesh Radio which is a modular radio that can be configures by the network architect to satisfy specific requirements.  This is done using the uMesh Node Configurator which helps determine which modules should be used and the total cost of the unit.  The radio is composed of the following four basic modules:

  • Dual Radio Module(2×2 MIMO)
  • Power Supply/ Battery Module
  • Sensors Interface Module
  • Touch-Screen Display Module

Options available for the Dual Radio Module include:

  • Two 2.4GHz Radios
  • Two 5.8GHz. Radios
  • One 2.4GHz/ 5.8GHz Radio and One 900MHz Radio

Options for the power supply module include AC power, DC power, rechargeable battery power or solar panel power.

The uMesh Radio design uses TELEGRID’s award winning Embedded Security Framework (ESF) which is a collection of DISA STIG/ SRG compliant encryption and authentication modules.  Combining the ESF with a LINUX OS Container means sensor network integrators no longer have to worry about integrating security at the edge.  The ESF handles all encryption and authentication including FIPS 140-2 compliance.  Data Sheet

For a white paper on the how the uMesh network works Click Here

WZRDnet Mesh Network

The TELEGRID WZRDnet Wireless Mesh Network is a low power ad-hoc network based on the IEEE 802.15.4 protocol, commercially known as ZigBee®.  WZRDnet provides secure voice and data communications without the need for an infrastructure (i.e. no cell towers or satellites required). In WZRDnet each device (i.e., handset or repeater) functions as a router in the network, relaying messages from originator to destination. Unlike other mesh networks, this architecture does not employ base stations or central routing tables thus avoiding single points of failure. WZRDnet is a true end-to-end packet switched network allowing transmission of voice, data and position location information (PLI).

For a white paper on the how the WZRDnet Mesh Network works Click Here

For a white paper on WZRDnet Ship Communications Click Here

Wireless Mesh HandsetWZRDnet Handset

The WZRDnet Handset (P/N WHD-310) operates as both a user voice/ data interface device and a network repeater.  Handset’s user interface consists of a color LCD display, a “D-Pad” with center-button, a speaker/microphone, and an “ear plug”.  It also includes a 24-hour rechargeable/ replaceable Lithium-Ion battery pack.  A USB port at the bottom of the Handset provides access to USB control and charging functions.  The Handset also includes a built-in GPS for force tracking applications. The device is a rugged unit that is certified to MIL-STD 810G and IP67 for water and dust resistance.  Data Sheet

WZRDnet Repeater

The WZRDnet Repeater (P/N WRN-320) provides extended coverage for the WZRDnet Network. The device can be easily mounted on a wall or mast for added network assurance.  It is a small, lightweight device making it an ideal solution for both permanent and temporary needs.  The Repeater can be wirelessly programmed via the WZRDnet Command Center or connected to a PC via its mini-USB port. It is powered by either AC, DC or solar power and includes an internal Lithium-Ion battery for portable applications including anti-piracy operations and disaster relief.  Data Sheet

WZRDnet Interoperability Gateway

ROIP Interoperability GatewayThe WZRDnet Gateway provides connectivity between the WZRDnet mesh network and any available IP network (e.g., Wi-Fi, VOIP, etc.), or analog network (i.e., PSTN).  The WZRDnet Gateway can interconnect with various WAN access systems like Very Small Aperture Terminals (VSATs), Broadband Global Area Network (BGAN) terminals, Rapid Response Tactical Routers (RRTRs), etc. It thus increases the availability of these access systems to network users that are not able to physically connect to or be indirect line-of-sight of these access systems.  The Gateway is capable of interoperating with Wide Area Networks via Ethernet, analog PSTN, Wi-FI, USB, and serial connections. Data Sheet

WZRDnet Network Kits

Rapid Deployment Mesh NetworkWZRDnet Kits contain, in a single man-transportable case, all the equipment needed to form a complete stand-alone voice, text and data mesh network as well as provide Wide Area Network access.  WZRDnet Transportable Kits provide modular and mobile communications around obstructions and beyond line-of-sight. Increase capabilities by integrating satellite terminals, ruggedized laptops, and solar power sources. Data Sheet.

For a white paper on the WZRDnet Tactical Kit Click Here

WZRDnet Command Center Software
The WZRDnet Command Center is a user friendly, Java based application that allows communications between a central operator and all handsets. The Command Center software provides a list of all available users and allows bi-directional communication with each.  The Command Center supports force tracking of all WZRDnet devices in the network. PLI can be sent periodically by all handsets or can be requested on demand by the operator for any or all handsets. Received PLI is plotted on a 3D map that is powered by Google Earth. The 3D map provides a graphical presentation of the entire network and allows the operator to control the map’s view (e.g., zoom, pan, etc.). Historical PLI is stored in order to track a user’s movement and provide the route traveled to their current location. The Command Center can be used to track personnel as well as equipment (e.g., vehicles, cargo, etc.). Data Sheet
WZRDnet Outdoors Repeater
The WZRDnet Outdoors Repeater (P/N WRN-325) consists of a standard Repeater (P/N WRN-320) and a 10 Watt solar panel.  It provides extended range coverage in an outdoors environment. The device is provided with its own free-standing mast and can be placed on any flat surface.  The Repeater can be wirelessly programmed via the WZRDnet Command Center or connected to a PC via its mini-USB port. The solar panel charges up the internal Lithium-Ion battery in the repeater which provides at least 72 hours of continuous operation.

WZRDnet Networked Sensors

WZRDnet includes a family of Networked Sensors (P/N WUS-36x) which can operate as part of the network.  The family of sensors includes a Temperature/ Humidity Sensor (P/N WUS 361), a Liquid Sensor (P/N WUS362) and a noise sensor (P/N WUS 363). Sensors operate with an external 5 VDC power supply (e.g., a battery or a “wall-wart”) and can be placed in any position where they sense and report to any remote Command center.

Direction Finding

TELEGRID engineers are hard at work developing a new mobile Direction Finding system using “cheap” Software Defined Radio (SDR).  Advances in small and inexpensive SDR allows new Direction Finding capabilities unheard of only a few years ago.  TELEGRID’s initial prototypes prove that new Direction Finding systems can be produced in a fraction of the cost and time required today. The size of the system allows for integration into autonomous mobile platforms such as robots and as well as drones and UAVs.   Direction Finding can then be performed autonomously and on unmanned platforms in austere or regions inaccessible by troops.  The TELEGRID Direction Finding system will be a great addition to Electronic Warfare as well as Signal Intelligence.  Read More

Active RFID and Real-Time Asset Tracking

TELEGRID designs custom Active RFID tags with user defined features including built in motion detectors, temperature sensors, push button alerts and LEDs.

TELEGRID also provides fully customizable asset and personnel tracking applications with databases hosted locally or in the cloud. Read More


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