Bluetooth Telem problem with Pixhawk & Mission Planner

I have the BT module seen here: http://www.amazon.com/gp/product/B00T6AOGHI?psc=1&redirect=true...

And I've got a connection that connects about half the time to MP, I can get the accelerometer data from the drone and I can read the drone parameters under Config/Tuning, BUT I can't make any modifications to them or seemingly send the drone any data. 

All 4 pins are connected to the module. I have checked the baud rate and I have flow control set to Hardware in windows hardware settings. In the 'Advanced' tab I have also lowered the FIFO buffers as low as they go to ensure the data is properly sent.

I was playing around with the SR1 (telem1) parameters in MP and that seemed to help the connection, but I think it was only a fluke because now it's again having connection problems.

TLDR: I can't get the drone to receive data from MP via bluetooth. Sending data to MP from drone works occasionally.

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