The Jotron B85 stabilised antenna has been designed to operate in Ku- as well in Ka-band, and will form part of a new family of Jotron stabilised antennas. The unit is an 85cm maritime VSAT communication antenna, with the dish and radome optimised for use in both bands.
The system has been developed to allow for onboard conversion from Ku-band to Ka-band operation, with an upgrade kit consisting of a Ka- transceiver and feed module available.
The 8W transceiver is connected directly to the antenna feed, which the company says allows it to offer a high level of RF performance with only a marginal difference in the uplink and downlink performance compared to a typical 1m antenna.
The integrated transceiver can switch between co-pol and x-pol in Ku-band on command, and extended Tx-band and 2 or 4-band RX-IF is also provided.
Connection between the below and above deck equipment requires a single cable, and the B85 antenna can be operated without a ship’s compass connected.
Jotron has built a remote access tool, the JRAS (Jotron Remote Access Suite), into the system, which allows the antenna to be remotely accessed from anywhere for status checks, diagnosis of any problems, support or upgrading of software.
SCPC, TDMA, Spread Spectrum or Carrier-In-Carrier operation are all supported, and the company says that the Jotron B85 will be compatible and fully integrated and tested with all leading VSAT modem providers.