Portal 2

Portal 2

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Final Transmission

Final Transmission

Find the hidden signal in one of the Rat Man's dens

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How to unlock the Final Transmission achievement in Portal 2 - Definitive Guide

Chapter 2, Chamber 6.

After you press the button for the first time, Glados will launch a bunch of garbage at you, one of the pieces is a handheld radio. Place one portal on the small landing platform to the right, and the other portal on the wall perpendicular to it. (See video). Go through the portals, and you'll end up in the room. Place the radio close to the desk, and the achievement will unlock.

Note: If you go through the portal backwards, you are less likely to lose the radio.
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21 Apr 2011 00:06

2 Comments
thank you !
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By THE HERETIC on 16 Aug 2011 05:29
You should edit to add that it is Chapter: The Cold Boot -- Chamber: Trust Fling in Challenge Mode.
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By Curtieson on 21 Jul 2012 20:01
With the new free DLC, you can go right to the chamber you need via the Challenge Mode. Pick Chapter 2 - The Cold Boot and then Trust Fling, then use one of the excellent solutions here to get the achievement.

I just got this achievement using the DLC Challenge Mode, so it's confirmed that doesn't disable achievements.
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05 Oct 2011 01:30

2 Comments
Challenge mode also got me achievement however small typo above... level is "Trust Fling"
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By Matt the Victor on 28 Dec 2011 11:16
Fixed. Thanks!
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By Cheese Touch on 28 Dec 2011 22:44
Chapter 2: The Cold Boot. Test Chamber 6.

When you make your way across to the button, press the button and GLaDOS will dump some garbage instead of a cube. The Garbage will come towards you (as long as you keep your two portals on the angled platforms). Stand in front of the garbage so it hits you. Shoot a portal to where you started and grab the Radio. Now look at where the Angle platforms are where you need to shoot the portals to get to the button you. If you look up will see that you can shoot your portal on the wall to the left of the angled platforms. Shoot a portal as far as you can to the right. Now shoot another portal on the Angled Platform CLOSEST to you. Use the Aerial Faith plates and you will be launched into a secret room. Go to the desk and place the radio on the desk. Stay in that room for a bit and the achievement will unlock.

You can see where the Secret room is if you stand beside the button and look at the angled platforms. Look to the right and up a little and you will see a broken window which leads to the secret room.
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Just follow the youtube link. I believe this is hardest achievement in the game. Enjoy.
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18 Apr 2011 08:00

If you missed this the first time through, like I did, you can use the "Developer Commentary" option (on the Single Player menu after you beat the single player game) to select "Chapter 2 - The Cold Boot." Yeah, you'll have to play through 5 tests to get to this area, but at least you can skip Chapter 1.

BTW, I just did this and the achievement did unlock even while in Developer Commentary mode.
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27 Jun 2011 21:02

This achievement is done on Chapter 2 on the 6th test chamber with all of the aerial faith plates. Go through all of the plates until you are on a platform with the button on it. When you press it the first time GLaDOS will shoot trash at you. In the junk, pick up the radio and the go back to the beginning of the chamber. Now place a portal on the wall to the right of the angled platforms (see video below) and you will be launched into Rat Man's den. Once you are fully in the room the radio will play some weird noised and you will get the achievement.

All credit for the video goes to Rooster Teeth:

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19 May 2016 00:00

Chapter 2 Chamber 6. When you get to the button to release a cube when you first press it glados will drop a load of crap out of it including a radio needed for this trophy and a turret required for this-

Portal 2PturretdactylThe Pturretdactyl trophy in Portal 2 worth 26 pointsUse an Aerial Faith Plate to launch a turret


move both your portals of the slopes at the far end of the chamber before pressing the button and the items dispensed will end up on the ledge where the 2 sloped light grey walls are. Go collect the radio and take it back to the start of the level via a portal. From there put one portal on the first slope you hit and the other portal high up and right at the far end on the wall to the left of the platform as you look at it. Now pick up the radio and jump on the first faith plate. You'll end up in a hidden office which is one of the rat man's dens. Trophy unlocked

There is also one other trophy on this level-
Portal 2Drop BoxThe Drop Box trophy in Portal 2 worth 42 pointsPlace a cube on a button without touching the cube
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31 Jul 2013 20:47

The hidden signal is in Chapter 2, GLaDOS Test Chamber 06. Make a manual save when you begin this chamber.

When you push the button at the end of the leap sequence, trash will be shot your way. There will be a radio in the garbage. Wait until it falls to a platform where you can get grab it. Next, setup portals as I have shown in the video to get back to the beginning of the chamber. Then you will need to make a new blue portal so when you jump on the faith plates again, you will be able to take the radio to the signal in the hidden den.

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23 Feb 2022 00:00

This must be done in the 2nd chapter in the 6th test room. After you press the button and a mountain of garbage flies out of the pipe, look carefully, among this garbage there is a radio receiver that we need to achieve. Once we took the receiver, we moved to the other side from where the test began. In front at the top from the very edge (on the right) we make one portal, we place the second portal on the panel into which you fly from the air panels. We jump on the air panels, and through the portal you will find yourself in a secret room, walk around and when you catch the signal on the receiver, the achievement will open.

VIDEO
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20 Jul 2011 04:16