
The ICS Active NAVTEX Antenna is one of the two recommended active antennas supplied by ICS. This is a wideband antenna optimised to receive 490-518kHz with an impedance of 50 ohm.

The ICS Active NAVTEX Antenna is one of the two recommended active antennas supplied by ICS. This is a wideband antenna optimised to receive 490-518kHz with an impedance of 50 ohm.
| ICS Part Number | ICS.905.05 |
| Length | 1.2m (4 ft) |
| Weight | 2Kg |
| Bottom Diameter | 20mm |
| Fittings | Insertion on 26mm pipe fixing bolt 1" gas. |
| Structure | Epoxy fiberglass. |
| Finishing | Polyurethane paint. |
| Ferrule | Chrome plated brass. |
| Temperature | -35 to 80 deg C. |
| Wind loading | 150km/h |
| Base Torsion Force | 20N at max wind speed. |
| Frequency | 490-518kHz, 4.2 Mhz |
| Antenna | Magnetic transformer |
| Impedance | 50ohm |
| Gain | +3db on 10 metre wire. |
| IP3 | +30 dbm |
| Supply Voltage | 10Vdc in the coax (PSU Available - ICS.905.07). |
| Supply Current | 40mA |
| Noise Protection | Galvanic Insulation. |
| Connector | SO 239 female (insulated from antenna body). |
| Lightning Protection | Schotty diode + gas arrester. |