http://www.dailytech.com/NASA+Plans+Hac ... e30102.htm

Good discussion topic...how far do you think we can shoot a microwave link in space with off the shelf hardware from Mikrotik?

-Mac

What exactly do you plan to connect to? Or are you hoping someone (something) will connect to you?

I think it would require an extremely high frequency low noise amplifiers to transmit relatively deeply into space.
Here is and old document on achieving optimum frequency for space communications.
http://nvlpubs.nist.gov/nistpubs/jres/6 ... 05_A1b.pdf