R12 1.2/1.3 900 MHz -1300 MHz 12 Channel Receiver (Comtech Tuner)

 by keith whitehead
R12 1.2/1.3 900 MHz -1300 MHz 12 Channel Receiver (Comtech Tuner)
[0952-137]

works fine for several months then it will frequency drift rendering it useless. i had 3 of them and all three do the same thing. led lights also start not to work right and display numbers or letters correctly after several months.