Radio Stations
NAV-eBOX
MF/HF Receiver for Voice, DSC & NAVTEX
The NAV-eBOX product is a professional MF/HF receiver fully compliant with the VoIP ED137B standard and can be used for any GMDSS applications such as voice, DSC, NAVTEX and NAVDAT.
The typical applications of the NAV-eBOX product are:
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Voice, DSC and NAVTEX Reception for GMDSS in the HF and MF band
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Suitable to receive maritime security and safety information (GMDSS MSI)
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NAVTEX & NAVDAT reception (optional)
The NAV-eBOX main features are:
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All IP RX: ED137B Interface + Remote control and monitoring through Web & SNMP
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Easy to install, to setup and to use
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Operation modes : All classical analog modes + digital NAVDAT
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Demodulation of any signal even in presence of a high disturbing signal at any frequency thanks to analog preselector filter and dedicated analog IF filter
The NAV-eBOX product is delivered as a rackable 19'' - 1U unit. It has been especially designed to be used in maritime environment (coastal station).
VHF Transceiver
KVHF-4010-50: 50W VHF Transceiver for GMDSS Coast Station
The KVHF-4010-50 transceiver works in the maritime VHF frequency range from 156MHz to 162MHz and can deliver up to 50W of RF signal into a 50Ω load in transmission mode.
The KVHF-4010-50 transceiver uses up-to-date technologies and has native IP capabilities with the following features:
- Control through a high level WEB server (both for settings and monitoring),
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High level Monitoring through SNMP (MIB supplied) as an option,
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Data input both for voice and DSC fully compliant with the ED137-B standard (VoIP with SIP),
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LCD for local settings & monitoring as an option,
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Voice accessories for local use (microphones etc.),
The KVHF-4010-50 transceiver is specially designed to be installed into a maritime coast station fulfilling the GMDSS requirements. It fulfill the requirements according to EN 301 929-1 ETSI Standard for stationary sea radio units and guarantee a reliable operation, even in long time stress operation.
The KVHF-4010-50 transceiver is fully integrated inside a 19" - 3U rack with single phase 100/240VAC - 50/60Hz for an easy installation on site.
The KVHF-4010-50 transceiver can be used both for voice (or Phony) and DSC applications (DSC encoder / decoders included, VoIP encoders / decoders included).
Thanks to its experience in maritime communication systems, KENTA can propose turn-key VHF coast stations integrated into a 19'' rack (with antennas, coaxial cables and connectors, duplexers, filters, UPS etc.). Click here for more information.
Power also available : 25W
MF/HF Transmitter
KTX-2012-1000: 1kW PEP MF/HF Transmitter for GMDSS Coast Station
The KTX-2012-1000 transmitter works in the MF/HF frequency range from 1.6 to 30MHz and can deliver up to 1 kilowatt PEP of RF signal into a 50Ω load. The KTX-2012-1000 transmitter uses up-to-date technologies and is from now ready for the incoming NAVDAT HF system:
- The RF signal is generated by a digital synthesizer with DSP and DDS,
- Use of last generation of MOS-FET solid-state power amplifiers,
- An IP access for monitoring and remote control is present in addition to the common RS232/485 access,
- A digital audio over IP access is present in addition to the traditional analog access (VoIP with SIP / ED137B),
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Web based application software for remote control & monitoring. SNMP Agent in option (TRAP supported)
The KTX-2012-1000 is specially designed to be installed into the maritime coast station fulfilling the GMDSS requirements. It includes one 19" - 24U cabinet (without option), the power supply, the synthesizer, the amplifier and the harmonic filter for an easy installation on site. The main power supply is single phase from 100/240VAC - 50/60Hz.
The KTX-2012-1000 transmitter can be used for voice, DSC, NAVTEX ( 4 209.5kHz) or other purpose (USB, Digital Modulation etc.).
As an option, the KTX-2012-1000 transmitter can control the external KTU-2052-1000 Antenna Tuning Unit (ATU), if the transmitting antenna is not a wide band one.
Other available options are:
- LCD Display for Local Control
- Integrated Matching Box
- Redundancy Switch 2:1
- Tx Antenna Matrix ('M' inputs -> 'N' outputs)
- SNMP Agent
- Local Voice Operator Console with Integrated MF/HF Voice Receiver
Power also available : 2kW and 5kW.
MF/HF ATU
KTU-2052-1000: 1kW MF/HF ATU for GMDSS Coast Station
The KTU-2052-1000 Automatic Antenna Tuning Unit (ATU) is a professional coupler, which can operate on a whip or a wire antenna configuration in the RF band 1.65MHz to 30MHz to a 50Ω transmitter (the KTX-2012-1000 for instance).
The KTU-2052-1000 is integrated inside an IP65 large plastic resistant to temperature.
The KTU-2052-1000 is connected to the transmitter through a coaxial cable, a power cable and a shielded control cable.
Maximum RF power input is 1000W PEP.
The coupler network configuration is a PI or L type; sensors continually monitor the state of the tuning and relay this information to the processor.
Power also available : 2kW and 5kW.
KENTA can also provide the antenna on-demand.
NAVTEX Transmitter
KTX-5210-1000: 1kW PEP NAVTEX Transmitter for GMDSS Coast Station
The KTX-5210-1000 transmitter can deliver up to 1kW PEP of RF NAVTEX signal into a 50Ω load. It works on both NAVTEX frequencies (490kHz or 518kHz). The KTX-5210-1000 transmitter uses up-to-date technologies and is from now ready for the incoming NAVDAT system (500kHz):
- The RF signal is generated by a digital synthesizer with DSP and DDS,
- An IP access for monitoring and remote control is present in addition to the common RS232/485 access,
- A digital audio over IP access is present in addition to the traditional analog access,
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Web based application software for remote control & monitoring. SNMP Agent in option (TRAP supported)
The KTX-5210-1000 transmitter can be directly modulated by an external modem, or the NAVTEX messages can directly be sent to the synthesizer as digital files. The transmitter is specially designed to be installed into the maritime coast station fulfilling the GMDSS requirements. The main power supply is single phase from 100/240VAC - 50/60Hz.
As an option, the KTX-5210-1000 transmitter can control the external KTX-5252-1000 Antenna Matching Box in order to be able to switch between the three GMDSS frequencies (NAVTEX 490kHz and 518kHz; NAVDAT 500kHz).
Other available options are:
- Redundancy Switch (N+1)
- SNMP Agent
Power also available : 2.5kW and 5kW.
NAVTEX Matching Box
KTX-5252-1000: 1kW NAVTEX Antenna Matching Box for GMDSS Coast Station
The KTX-5252-1000 product is a professional antenna matching box, which can operate on a 'T' antenna configuration in either 490kHz or 518KHz for NAVTEX operation or 500kHz for NAVDAT operation into a 50Ω transmitter (the KTX-5210-1000 for instance).
The KTX-5252-1000 is integrated inside an IP65 large plastic resistant to harsh environments (temperature, humidity etc.)
The KTX-5252-1000 is connected to the transmitter through a coaxial cable and a shielded control cable. Power Supply is 220/230VAC - 50/60Hz.
Maximum RF power input is 1000W PEP.
Power also available : 2.5kW and 5kW.
KENTA can also provide the antenna on-demand.
