TRS handset.

I’ve mapped the car back to stock and have no use for it.

brought brand new from TRS.

It can be used for ST/RS remap that TRS supply

It costs £300 to upload a remap which comes with (95, 97, 99 anti theft and stock) along with different overrun options via TRS to the device.

It came with 3 maps 95, 97 and 99+
Anti-theft and stock.