A DIY steel feather repeater that can be used for home automation is now available on Amazon.com.
Made of an industrial-grade steel alloy, the Steel Feather repeater is a portable repeater with a built-in infrared sensor that can detect the distance between the battery and the antenna.
The Steel Feather has a 2-meter antenna and can be powered from a small USB battery or an external battery.
It is designed to be a reliable repeater.
A wireless version can be also purchased.
The repeater can also be used to trigger an alarm to send a message to the outside world, or if the battery is removed, the signal can be received on a Bluetooth network.
If the battery battery is not removed, it can be set to auto-off.
The device is sold for $129.99 on Amazon and can also also be purchased at Amazon.ca.