Precise timing is a vital requirement of the meteorological measurements. The requirement applies to the weather stations as well as to the data center.

The manifold has been designed to connect multiple barometers into one pressure calibration system. It ensures proper and gas-tight connection within the defined ranges of ...

Matrix is an array of signal relays capable of switching 45 four-wire channels or 15 twelve-wire channels. It is designed to calibrate multiple electronic sensors such as RTD ...

DIN 35 rail mounted overvoltage protection devices are designed for protection of communication lines and sensor inputs/outputs from surges generated in industrial noisy ...

RLSI is an electronic device designed to interface airport runway light system and to provide the RVR system with the current intensities of runway central and/or edge lights to ...

Tipping bucket rain gauges suffer from systematic error dependent on rainfall intensity. The higher intensity, the more error on collected rainfall can be observed. At the highest ...

The SMARTTune® controller is the processing power behind the Smart Tune Leaky Feeder System. The unit controls the multiple radio repeaters that are connected to the SMARTTune® ...

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 SMARTTune® 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 ...

The VSTLAND SMARTTune® is a quantum step forward in amplifier design, offering a very SMART attenuator, which means that you can literally install SMARTTune® amplifiers anywhere ...

The Power Supply consists of a Mains to DC power converter/charger and a heavy duty standby battery. The unit has been designed to supply the requirements of the Sigma range of ...

The Power Coupler is a 75 Ohm VHF/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 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 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 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 VST Stopes Antenna is an antenna designed to be fitted in place of the line termination normally fitted at the end of a Leaky Feeder cable. The Stopes Antenna will increase ...

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 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 SMARTTune® controller is the processing power behind the Smart Tune Leaky Feeder System. The unit controls the multiple radio repeaters that are connected to the SMARTTune® ...

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 SMARTTune® 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 ...

The USTLAND SMARTTune® is a quantum step forward in amplifier design, offering a very SMART attenuator, which means that you can literally install SMARTTune® amplifiers anywhere ...

The Power Supply consists of a Mains to DC power converter/charger and a heavy duty standby battery. The unit has been designed to supply the requirements of the Sigma range of ...

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 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 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 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 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 ...

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 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 Supply consists of a Mains to DC power converter/charger and a heavy duty standby battery. The unit has been designed to supply the requirements of the Sigma range of ...

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 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. ...

Threats from explosive gas or combustible dust, on an oil rig or in an open mine, your workers confront them daily. Safe, reliable communication is absolutely critical in such ...

Threats from explosive gas or combustible dust, on an oil rig or in an open mine, your workers confront them daily. Safe, reliable communication is absolutely critical in such ...

The MTP8000Ex Series TETRA ATEX radios deliver powerful audio, enhanced coverage, extended battery life, greater ruggedness, advanced ergonomics and increased usability, so ...

The MTP8000Ex Series TETRA ATEX radios deliver powerful audio, enhanced coverage, extended battery life, greater ruggedness, advanced ergonomics and increased usability, so ...

The MTP810Ex TETRA portable terminal provides high quality communication with comprehensive user safety and class leading ATEX specifications allowing use when in environments ...

Motorola’s MOTOTRBO DP4000 Ex Series ATEX radios provide high quality communication with comprehensive user safety and class leading ATEX specifications allowing use when in ...

Threats from explosive gas or combustible dust, on an oil rig or in an underground mine, your workers confront them daily. Safe, reliable communication is absolutely critical in ...

Threats from explosive gas or combustible dust, on an oil rig or in an underground mine, your workers confront them daily. Safe, reliable communication is absolutely critical in ...

 Kenwood’s TK-90 is a high-performance HF Transceiver designed to provide user-friendly operation wherever and whenever you need reliable communications. The new,highly compact ...

The IC-SAT100 utilises SATELLITE PTT (Push-To-Talk) which is a two-way radio system that uses the Iridium® satellite network. It can be used as a communication tool in remote, ...

B/ LOADED+ SPRING 27MHz Unity: The ZARA27S is a base loaded mobile antennas designed for aesthetics and flexibility.

B/ LOADED+ SPRING 29MHz Unity: ZARA29S is a base loaded mobile antenna designed for aesthetics and flexibility.

1/4 WAVE+ SPRING 54-174 MHz Un: The ZARA60 is a quarter-wave mobile antenna with a SS shock spring. Designed for mounting from the outside of the vehicle body.

1/4 WAVE 54...470 MHz Unity

B/LOADED 5/8 138-174 MHz 2dB: The ZARA130 is a base loaded, 5/8 wavelength mobile antennas with a SS shock spring.

B/ LOADED 5/8 250-270 MHz 2dB: ZARA250 is a base loaded, 5/8 wavelength mobile antennas with a SS shock spring. Designed for mounting from the outside of the vehicle body.

OPEN COIL 380-410 MHz 4dB

MOULDED COIL S/L406-424MHz 5dB: The ZARA400-4B Slimline gain antenna is designed for mounting from the outside of the vehicle body.

MOULDED COIL 440-470 MHz 4dB: ZARA450MC is a mobile collinear antennas, designed for mounting from the outside of the vehicle body.

OPEN COIL 440-470MHz 4dB: ZARA450MK1 is a mobile collinear antennas, designed for mounting from the outside of the vehicle body.

ADAPTOR A10-J108PW (JAVA)

JS108 BASE ONLY (JAVA)

WHIP W12 - 2743mm (108") S/S (JAVA)

ACC SPRING ONLY FOR HF (JAVA)

HF SKYMASTER STUD FOR COILS (JAVA)

The JAVA10 is a Tunable Base Loaded Mobile Antenna.

JAVA 10 (4-6.5MHz) COIL ONLY

JAVA 10 (6-10MHz) COIL ONLY

ATU JAVA

WASP Mobile Antennas are designed for use on multiple frequency bands.

VENUS Antennas are designed for use on multiple frequency bands.

ALPHA antennas are designed for use on multiple frequency bands.

TRD Low Profile Antennas are rugged, designed for use on trains, busses and trucks.

MICA Mobile antennas are designed for use on a variety of frequency bands with a separate cable for each frequency band.

TR-MICA Covert Mobile Antennas are designed for use on multiple bands.

The SatMaster is an Iridium/GSM/GPS external antenna based on the very successful OEM IR 3 & OEM IR 4 antenna design.

BASE LOADED WHIP 27 MHz

BASE LOADED WHIP 29 MHz

W40 SLIMLINE WHIP 36 - 42 MHz

WHIP W6 - 1372mm (54") S/S

WHIP+ ADAPT 54 - 470MHZ

WHIP + ADAPTOR ZARA 130

WHIP 2dB GAIN 250 MHz for ZARA

WHIP + ADAPTOR 380-410 MHZ

WHIP W4004SL