Gone Fishin'

Gone Fishin' is a side quest in the Fallout: New Vegas add-on, Honest Hearts.

Detailed walkthrough
Search the Zion Fishing Lodge for two walkie-talkies. The items are inside an average locked cabinet behind the bar counter. The key to the cabinet can be found in a box in the bathroom, or the cabinet can be picked with a Lockpick skill of 50.