The DMR standard is today the world’s most widely used digital standard for professional radio networks. The great advantages of the DMR standard include backward compatibility with analog systems and the possibility of gradual replacement of analog radio networks with digital ones. The devices manufactured according to the standard are interoperable. For users, this means …
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Smart railway GSM-R phone SED GPH-650R
The manufacturer of railway GSM-R mobile terminals, SED, has introduced a smart GSM-R phone based on the Android operating system. The use of a standard operating system for mobile phones offers the user the opportunity to use a huge number of ready-made applications or have specialized applications prepared. The terminal supports all services in the …
Durable GSM-R railway phone SED OPH-810R
Railway GSM-R telephone SED OPH-810R is suitable for use in normal railway traffic. The phone supports all common functions defined by the GSM-R standard. Its great advantage is the durable design. The OPH-810R has a shock- and vibration-resistant case. Dust and water resistance according to IP65 specification. The battery with a capacity of 3200mAh ensures …
Power supply and monitoring equipment for radio network repeaters
Repeaters or other retransmission base stations are key elements of the radio network infrastructure that ensure the communication of professional users of radios over a large area. The communication of radio network participants depends on them. With the use of a repeater, reliable communication over a large area can be ensured compared to direct communication …
Directional VHF antenna ZZ203
ZZ203 is a directional antenna designed for the band 150-175 MHz. The antenna is welded from aluminum alloy and protected by varnish. The gain is 4 dBd, which corresponds to 6.15 dBi. Lightning protection is provided by a galvanic connection. The coaxial cable is connected using an N-type connector. ZZ203 is resistant to icing and …