Portal 2

Portal 2 Achievements

Final Transmission

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

This can be gained in Chapter 2 - 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.

Rate this achievementAverage Rating (Based on 1 votes)
User Comments
Comment #1 by joemanyt
Sunday, February 27, 2011 @ 09:52:20 PM

Maybe Doug Rattmann's last words will be something about what's going on outside (Combines) or maybe just a final fair well.

Comment #2 by Shadow Knight W
Thursday, March 03, 2011 @ 04:13:05 PM

Or "The cake is a lie" :P

Comment #3 by tastefulmrship
Thursday, March 31, 2011 @ 09:44:00 AM

Let's hope it's not a 'carry the radio' from one side of a TC to the other... like the PC transmissions in PORTAL.

Comment #4 by Verticity
Thursday, April 14, 2011 @ 02:45:55 PM

I hope so..

Comment #5 by Pikandy
Tuesday, April 19, 2011 @ 08:53:47 PM

Its in Chapter 2 Test Chamber uhm 6 i think...
and here's the image you get from the sound (SSTV)

Sorry for the bad quality:

Comment #6 by IcculusTheDark
Wednesday, April 20, 2011 @ 01:59:04 PM

I got this achievement but how do you get an image from it. it just made noise for me

Comment #7 by Daniel J Winter
Wednesday, April 20, 2011 @ 04:47:35 PM

this is a pretty simple achievement, albeit hard to locate at first glance.

once you're at the end of test chamber 6 (chapter 2), hit the button to release "the garbage" in which it will bounce around the course.

just root around the trash to find the radio (the 'still alive' song should be playing) and portal your way back to the beginning of the level.

on the alcove where two diagonal panels are risen, fire a portal on the highest point of the grey, on the right wall of the alcove before bouncing off on the aerial (leap of faith) flipper boards.

you should be flung in a secret room, just go in the middle and you'll get the achievement :)

Comment #8 by stonersincharge
Thursday, April 21, 2011 @ 03:57:35 PM

fair well my friend

Comment #9 by Whirly
Friday, April 22, 2011 @ 09:42:15 PM

Have a look at for more info about getting the image from the sound.

Comment #10 by poko610
Sunday, April 24, 2011 @ 12:11:10 AM

I had to dump the radio in the acid because it is f*cking annoying.

Comment #11 by CaptSlash13
Monday, May 09, 2011 @ 11:07:10 PM

I have to admit that i was confused when i found the radio playing a song in
Test 3 of chapter 2.

Comment #12 by crackedeggs1
Sunday, June 05, 2011 @ 01:38:24 AM

Do this achievement before solving the puzzle so your last autosave is still at the beginning of the chamber. I had to restart the chapter several times because I didn't consider this.

When launching the garbage, use the white panels opposite the chamber entrance as the exit portal to send it back towards the chamber entrance and avoid the radio landing in the acid.

Be careful and make sure to angle down while the faith plate shoots you through the window or you can lose it on the frame, then it will fall in the acid. Also, it may get lost behind the pipes when you land. Duck down and keep trying to grab it from underneath. It will eventually dislodge.

Comment #13 by bobwlogan
Wednesday, June 08, 2011 @ 03:27:26 PM

I wasn't able to figure this out from the posts, but after watching the youtube link someone posted, it was easy. So if you are having a hard time with this one, I recommend the link.

Comment #14 by Mr Maniac
Saturday, June 11, 2011 @ 04:02:48 AM

this looks easy to complete

Comment #15 by mugency
Sunday, June 12, 2011 @ 03:17:33 PM

who is rat man supposed to be?
is it from half life or something?

Comment #16 by nitromefan
Wednesday, June 15, 2011 @ 06:18:33 PM

@ 15
Nah, it's supposed to be the last remaining survivor from the Aperture Science
employees who has gone insane and speaks to a Companion Cube. Search up Valve's comic Lab Rat to get some more info on him.

Comment #17 by Filthy
Thursday, July 21, 2011 @ 10:36:10 AM

I found the radio but didn't get the achievement?

Comment #18 by Filthy
Saturday, July 23, 2011 @ 02:55:28 PM

i got it now lol

Comment #19 by FHFR436
Tuesday, February 07, 2012 @ 08:23:57 AM

#7 is a pretty good explanation.
It took me a few tries, but I got it last night. I ended up just launching the garbage onto the inclined panel area without involving any portals. The radio happened to be one of the items that did not bounce into the acid.

Today, I had another idea: before launching the garbage, put one portal on the first inclined panel and the second on the wall panel opposite the Rattman den. That way, the garbage should all shoot directly into the room and you won't have to worry about the acid. Of course, the window into the room won't have the funnelling effect of a portal, so it may not work. I'll try it myself tonight.

Comment #20 by KaDi 86
Wednesday, November 07, 2012 @ 04:20:23 PM

A good suggestion to avoid dropping/losing the radio while being hurled into the den is to face away from whereever you're going, this way there's no risk of the radio getting stuck anywhere or you dropping it against something.

Comment #21 by Jamescastle1231
Sunday, February 17, 2013 @ 10:27:09 AM

Comment #22 by Mikau94
Tuesday, February 19, 2013 @ 02:44:42 PM

Here are some of the images that you can decode from the SSTV signal

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Game Info
Electronic Arts


US April 19, 2011
Europe April 22, 2011

HDD Space Required : 4.64 GB
Backward compatible on Xbox One: Yes
Price: $19.99USD
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