The product page doesn't make it clear that the shield has a removable lid. Once lifted off with a screw driver you have access to the solder jumpers referred to in the specifications. The units arrived with the internal switches controlling the attenuator. You need to use a soldering iron to convert it to using the serial interface. The attached photo shows the lid removed and the location of the jumpers J4,5,6,7.

The product page doesn't make it clear that the shield has a removable lid. Once lifted off with a screw driver you have access to the solder jumpers referred to in the specifications. The units arrived with the internal switches controlling the attenuator. You need to use a soldering iron to convert it to using the serial interface. The attached photo shows the lid removed and the location of the jumpers J4,5,6,7.

The product page doesn't make it clear that the shield has a removable lid. Once lifted off with a screw driver you have access to the solder jumpers referred to in the specifications. The units arrived with the internal switches controlling the attenuator. You need to use a soldering iron to convert it to using the serial interface. The attached photo shows the lid removed and the location of the jumpers J4,5,6,7.

It worked as expected and shipped on a antistatic bag.

It worked as expected and shipped on a antistatic bag.

It worked as expected and shipped on a antistatic bag.