GMDSS NAVEX RECEIVER HX2600 H-Field ANT 518KHz , 490KHz , 4209.5KHZ, 486KHz , 4 Chanels CCS Certificater . IEC-61097-6 IEC-60945 (2002) Specification: 1. Receive Frequency: 518KHz, 490KHz, 486KHz and 4209.5KHz. 2. Can receive channels: Dual-channel (ie, a receiver operating in 518KHz channel, and the other receivers in the 490KHz / 486KHz/4209.5KHz switch between) 3. Sensitivity: Useful at-107dBm signal level, the bit error rate of less than 1% of Chinese and English error rate of less than 4%. 4. Selective anti-jamming performance: Blocking rejection ratio: In accordance with IEC61097-6 standards for frequency of strong signal interference, receive helpful information No less than 1% error rate in Chinese and English error rate of less than 4%. 5. Antenna Protection: In the antenna signal with no modulation amplitude emf30V Frequency range of 100KHz ~ 28MHz, 15 minutes after the device is still working properly. 6. Monitor specifications: 7-inch color screen display 7. Information storage function: Can store 200 messages, with an average of 500 characters each message, the storage time of 60 - 72 hours. Tag information can be stored permanently and you can not manually delete the. 8. External interface: an INS interface, a print output interface, USB interface. 9. Can be configured SII-DPU-414 type of thermal printing, the output format RS-232electrical interfaces 10. Sound the alarm: the volume of not less than 75dBA ~ 85dBA. 11. Power supply: 12VDC ~ 36VDC 12. Weight: 1135 g 13. The technical conditions of the legal basis: IMO ResolutionMSC148 (77), IEC 61097-6, IEC 60945 (2002).