Installation and Operation Manual

About your AIS class B transceiver
Page 11
2.5 Product range
The em-trak AIS Class B transceivers are available with several different
feature options
This manual covers the following product variants. See table below.
Table 3 Product variants
Model No
Transmission
standard
Internal
antenna
splitter
WiFi and
Bluetooth
Voyage
data
recording
B921 CSTDMA No No No
B922 CSTDMA No Yes Yes
B923 CSTDMA Yes No No
B924 CSTDMA Yes Yes Yes
B951 SOTDMA No No No
B952 SOTDMA No Yes Yes
B953 SOTDMA Yes No No
B954 SOTDMA Yes Yes Yes