B921 Class B AIS Transceiver - 2W CSTDMA. Certified AIS Class B – 2W CSTDMA. SRT-AIS™ Transceiver Engine for superlative proven performance. AIS transmitter power: 2W (+33dBm). 1 x AIS transceiver. AIS standards: IEC 62287-1 Ed.
eBay