To enable the Radio Shack PRO-2006 scanner to monitor the cellular phone
frequencies (870.030-879.360 System A Base) (880.650-889.980 System B Base)
and the actual mobile telephone frequency (825.030-834.360 System A Mobile)
and (835.650-844.980 System B Mobile) do the following:

1. Remove the top cover only. It is held by the 2 screws on back.

2. Looking behind the metal plate covering the front panel, look at your
left top corner. You will see 2 glass diodes sticking out of the PC
board (PC-3). The one at the bottom is labeled D502.

3. Simply cut the lead on the diode (D502).

Turn the radio on and program the limit search memories with the ranges
indicated on top. The System A and B Base are the ones to listen to. The
reason is that you'll be able to hear both sides of the conversation. If
you try listening the Mobile signal, you'll only hear the signal being sent
out by the actual phone. Also the signal on the cellular phone is only a
measly 4 watts.

This mod is so simple, you can do it in less than 3 minutes. Only a small
cutting plier is needed, as well as the screwdriver.

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