![AMEC SB-181 TX Switch Box [AMEC-SB181-010]](https://cdn11.bigcommerce.com/s-ivfdlaahhy/images/stencil/600x600/products/21689/28379/114147XL__78752.1778805858.jpg?c=1 "AMEC SB-181 TX Switch Box [AMEC-SB181-010]")
![AMEC SB-181 TX Switch Box [AMEC-SB181-010]](https://cdn11.bigcommerce.com/s-ivfdlaahhy/images/stencil/1280x1280/products/21689/28379/114147XL__78752.1778805858.jpg?c=1 "AMEC SB-181 TX Switch Box [AMEC-SB181-010]")
Description
SB-181 TX Switch Box
The TX Switch Box SB-181 is specifically made to work with AMEC AIS Class B transceivers, both the 2W and 5W series. With its simple and robust design, silent mode (AIS transmission disabled) can be activated easily.
Owner's Manual (pdf)
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