A "bluetooth jammer" in the context of Kali Linux usually refers to tools that perform Denial of Service (DoS) attacks by flooding a target's Bluetooth stack rather than physical signal jamming (which is often illegal and requires specialized hardware).
Hardware-assisted sniffing of BLE and some Bluetooth Classic data. bluetooth jammer kali linux
For this example, let's use bluez and some Python scripting: A "bluetooth jammer" in the context of Kali
Here's an example Python script using the pybluez library to create a simple Bluetooth jammer: bluetooth jammer kali linux