Bluetooth Module- Phone Labs Bluetooth module-For use with the Dock-N-Talk cellphone station (PHO-DNTA100)-Support most Bluetooth cellphones-Should not be used with 2.4GHz or WIFI-Box dimensions: 8.5inL x 5.5inW x .5inH-Silver-Works on the Enterprise phoneAllows the user to pair up to 8 phones to the same Bluetooth Module. However, only one cell phone at a time can be actively connected to the Bluetooth Module.