The UHF Area Coverage Amplifier provides a wide area coverage solution to above ground communication extensions of the existing Leaky Feeder system. The provision of increased RF ...

The Double Branch Coupler is a passive signal splitter that is used to branch of the main Leaky Feeder arterial to link into a side tunnel. The Double Branch Coupler is configured ...

UHF Head End Combiner is the core of the Sigma Leaky Feeder system. The unit combines multiple radio channels on the surface and underground into one single voice and data network.

The Line Splice is a 50 Ohm impedance line splice designed for joining 50 Ohm Leaky Feeder cable with minimal loss and excellent impedance matching. No components are used in the ...

The UHF Line Termination Unit is a 50 Ohm impedance unit that terminates the Leakey Feeder in a matched impedance unit. The impedance match is AC coupled so there is no DC power ...

The UHF Mini Line Amplifier UMLAD from Sigma is the industry standard UHF Amplifier for Leaky Feeder Systems. It has been used for many years by hundreds of customers world-wide. ...

The Power Coupler is a 50 Ohm UHF Power Coupler is designed to allow for the coupling of DC power into the leaky feeder cable to power the bi-directional amplifiers in the ...

The UHF Power Coupler and DC-DC Isolator is a 50 Ohm UHF Power Coupler combined with a DC-DC Isolator that is designed to allow for the coupling of DC power into the leaky feeder ...

The Refuge Bay Radio was developed to be utilized in areas allocated as places of refuge within the mine. The Refuge Bay Radio allows communication on a pre-set frequency into the ...

The Single Branch Coupler is a passive signal splitter that is used to branch of the main Leaky Feeder arterial to link into a side tunnel. The Single Branch Coupler is configured ...

The Ultrasonic Anemometer 2D is designed to detect the horizontal components of wind velocity and wind direction as well as the virtual temperature in two dimensions.

The Ultrasonic Anemometer 3D provides measurement of the wind direction and the wind velocity in all three dimensions. The maintenance-free and wearless anemometer needs no ...

The Ultrasonic Anemometer compact serves for the 2-dimensional acquisition of the horizontal components of the wind velocity, the wind direction and of the acoustic-virtual ...

The USB-SDI / SDI-SIM serves as a converter between the SDI-12 bus and the USB bus. The SDI-12 is a communication standard for interfacing a data recorder with sensors. The ...

The VEGAPULS 61 is a sensor for continuous level measurement of liquids under simple process conditions. Due to its simple and versatile mounting options, VEGAPULS 61 offers a ...

GPS Smartwatch with a Bright, Beautiful Display Built for the Active Lifestyle. The new VENU brings Garmin smarts into a vibrant display which gives you up to 5 days battery life.

VENUS Antennas are designed for use on multiple frequency bands.

Featuring a bright color display, the Venu Sq GPS smartwatch combines daily style with health monitoring and fitness features that inspire you to keep moving.

The VHF Area Coverage Amplifier provides a wide area coverage solution to above ground communication extensions of the existing Leaky Feeder system. The provision of increased RF ...

The Double Branch Coupler is a passive signal splitter that is used to branch of the main Leaky Feeder arterial to link into a side tunnel. The Double Branch Coupler is configured ...

The VHF Head End Combiner is the core of the Sigma Leaky Feeder system. The unit combines multiple radio channels on the surface and underground into one single voice and data ...

The Line Splice is a 75 Ohm impedance line splice designed for joining 75 Ohm Leaky Feeder cable with minimal loss and excellent impedance matching. No components are used in the ...

The VHF Line Termination Unit is a 75 Ohm impedance unit that terminates the Leakey Feeder in a matched impedance unit. The impedance match is AC coupled so there is no DC power ...

The VHF Mini Line Amplifier VMLAD from Sigma is the industry standard VHF Amplifier for Leaky Feeder Systems. It has been used for many years by hundreds of customers world-wide. ...