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

  by keith whitehead
works fine for several months then it will frequency drift rendering it useless. i had 3 of them and...
  by Joshua Hansen
The diagram above the power connector says that it's center pin negative. This is not the case. It i...