TS3048 Wireless Keyboard constantly looses connection

My Apple Wireless Keyboard (Part Number: MC184LL/B) constantly looses connection (as often as once/minute; but sometimes it will stay connected for up to 20-30 minutes before cutting out).
Details
>It is 2' from my Macbook Pro.
>There's a Drobo next to the computer, but the cut-out happens whether Drobo is on or off.
>Battery indicator says keyboard is 100%.
>Thunderbolt Display in vicinity.
>Happens at multiple locations within my house.
>Error message is "connection lost"
Suggestions?

ACTUALLY: Problem is NOT FIXED.
Making the keyboard a FAVORITE helped--the connection goes down less often, but it still cuts-out, sometimes regularly. What else can I try?
Here's an RSSI readout, if that's of any use:

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      Model Name:          iMac
      Model Identifier:          iMac12,2
      Processor Name:          Intel Core i5
      Processor Speed:          2.7 GHz
      Number of Processors:          1
      Total Number of Cores:          4
      L2 Cache (per Core):          256 KB
      L3 Cache:          6 MB
      Memory:          16 GB
      Boot ROM Version:          IM121.0047.B1F
      SMC Version (system):          1.72f2
    Apple Bluetooth Software Version:          4.2.0f6 12982
      Hardware Settings:
      Address:          7C-C3-A1-58-F0-90
      Manufacturer:          Broadcom
      Name:          Mike’s iMac
      Chipset:          2046
      Firmware Version:          v207 c509
      Bluetooth Power:          On
      Discoverable:          On
      Connectable:          Yes
      Auto Seek Keyboard:          On
      Auto Seek Pointing:          Off
      Remote wake:          On
      Vendor ID:          0x05AC
      Product ID:          0x8215
      HCI Version:          0x4
      HCI Revision:          0x1FD
      LMP Version:          0x4
      LMP Subversion:          0x21CF
      Device Type (Major):          Computer
      Device Type (Complete):          Mac Desktop
      Composite Class Of Device:          0x380104
      Device Class (Major):          0x01
      Device Class (Minor):          0x01
      Service Class:          0x1C0
      Devices (Paired, Configured, etc):
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      Address:          28-CF-E9-6D-3E-E2
      Major Type:          Keyboard
      Minor Type:          Peripheral
      Services:          Apple Wireless Keyboard
      Paired:          Yes
      Configured:          Yes
      Connected:          Yes
      Manufacturer:          Apple (0x3, 0x31C)
      Battery Level:          100%
      Firmware Version:          0x0050
      Vendor ID:          0x05AC
      Product ID:          0x0256
      Class of Device:          0x05 0x10 0x2540
      AFH:          On
      AFH Map:          FFDFFFFF1F00000
      RSSI:          -49
      Role:          Master
      Host Connectable:          Yes
      EDR Supported:          No
      eSCO Supported:          No
      SSP Supported:          No
      Services:
      Bluetooth File Transfer:
      Folder other devices can browse:          ~/Public
      When receiving items:          Prompt for each file
      State:          Enabled
      Bluetooth File Exchange:
      Folder for accepted items:          ~/Downloads
      When other items are accepted:          Ask
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      Incoming Serial Ports:
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      RFCOMM Channel:          3
      Requires Authentication:          No
      Outgoing Serial Ports:
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      RFCOMM Channel:          0
      Requires Authentication:          No
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      System Version:          OS X 10.9 (13A603)
      Kernel Version:          Darwin 13.0.0
      Boot Volume:          Main-SSD
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