You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
In this task, you are given two sentences in the English language (Sentence 1 and Sentence 2). Your task is to identify the connecting word between the two sentences.

Sentence 1:A suicide car bomber detonated his bomb as he attempted to drive an SUV into a Somali military camp . Sentence 2:However the vehicle exploded at the entrance when police guards opened fire on the insurgent driving the vehicle .
Solution: however
Why? The above sentence is connected by the word 'however'.

New input: Sentence 1:That is , their frequency bands are not licensed by the U.S. Federal Communications Commission ( FCC ) or other organizations exclusively for 802.11 traffic . Sentence 2:Instead , the spectrum is shared with many other types of devices , such as cordless phones and Bluetooth devices .
Solution:
instead