Portal - Transmission Received Achievement Guide

To get this one you'll need to find all 26 of the hidden radios and take them to catch a signal for a Morse code. Before we begin, you'll need to go through the entire story and beat the game once. This is because in order to get the "Transmission Received" achievement you must have already beaten the game once. In the video guide this is covered from 2:14 to 12:57.

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Radio 1/26

Radio 2/26

Radio 3/26

Radio 4/26

Radio 5/26

Radio 6/26 (For this one be sure not to actually go through the door when getting the radio. Just use a portal to pull it over to your side.)

Radio 7/26

Radio 8/26

Radio 9/26

Radio 10/26

Radio 11/26

Radio 12/26

Radio 13/26

Radio 14/26

Radio 15/26

Radio 16/26

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Radio 17/26

Radio 18/26

Radio 19/26

Radio 20/26

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Radio 21/26

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Radio 22/26

Radio 23/26

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Radio 24/26

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Radio 25/26

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Radio 26/26

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