From the SlingMedia website:
To be sure your Blackberry phone is currently supported Sling Media recommends these Devices.
 BlackBerry Bold |  BlackBerry Curve 8900 |  BlackBerry 8820 |
 BlackBerry Curve 8320 |  BlackBerry Pearl Flip 8220 |  BlackBerry Pearl 8120 |
* Supported by SlingPlayer Mobile when used with Wi-Fi connection.
Please note minimum requirements below for device software version on your BlackBerry device. Please contact your mobile service provider for questions regarding upgrading the device software on your BlackBerry device.
If you have a Blackberry that is only a CDMA device, like the 8830 you are out of luck. At this time no CDMA Blackberry will work with the Sling Player.
Here is the list of what you need to have.
Slingbox Requirements:
- Slingbox is required to use SlingPlayer Mobile
- Slingbox needs to be remote viewing enabled
- SlingPlayer Mobile for BlackBerry works best if the Slingbox Software is up to date. To make sure that your Slingbox is up-to-date, be sure to download and install the latest version of SlingPlayer Desktop on your home computer and connect to your Slingbox. If an update is available, it will be installed at that point
System Requirements: - A PC on your home network with SlingPlayer 2.0 for Windows installed for:
- Setting up Internet Viewing on your Slingbox
- Managing Slingbox and Mobile Favorites with your Sling Account
- A high-speed (broadband) Internet connection of at least 256Kb upstream speed at home
Note: SlingPlayer 2.0 for Windows is required for creating and editing your Mobile Favorites lists. If you have a Mac OS computer, you are welcome to download and use SlingPlayer Mobile for BlackBerry, but you will not have access to Favorites within the application.
Device Requirements:
- A supported BlackBerry smartphone with 3G wireless service and/or WiFi Internet connectivity, as well as the following minimum device software versions. (To check your BlackBerry device software version, select Options from your home screen, then select About. Third line shows the device software version installed.)
- Bold – minimum 4.6.0.0 and above; optimal at 4.6.0.167 and above
- 8900 – minimum 4.6.1.0; optimal at 4.6.1.92 and above
- 8820 – minimum 4.5.0.0 and above; optimal at 4.5.0.110 and above
- 8320 – minimum 4.5.0.0 and above; optimal at 4.5.0.81 and above
- 8220 – minimum 4.6.0.0; optimal at 4.6.0.174 and above
- 8120 – minimum 4.5.0.0 and above; optimal at 4.5.0.110 and above
- For more information on how to check for and install available BlackBerry device software updates, click here.
- Network download speed of 120 Kbps (or higher)
- 2 MB free memory on device to install
As always remewmber, additional charges may be applied by your mobile service provider; an unlimited data plan is strong recommended for SlingPlayer Mobile usage. Please check your mobile service data plan.