The below Android STB will offer you more than you require, all BambaTV channels as well. No monthly subscriptions.
OS: Android 4.2.2 can be upgraded to L.
Inbuilt DVB-T2 tuner
The pre-installed XBMC supports hardware decoding
Resolution:1080P
Network: Ethernet and WiFi
USB interface, supports upto 2Tb HDD,mouse and keyboard.
HDMI video output, connect to HDTV for HD video playback
Support Flash Player 10.2 for hardware encoding, Flash 11.1 for software decoding
Support SD card
AppInstaller for application installation from USB
Google playstorehttp://goo.gl/nr5riA