Drake AUX-7 Auxiliary Program Board for TR7, R7, One Range Module, One Crystal

Description

This listing is for
an
RL Drake AUX-7 Auxiliary Program Board for the TR7,  Transceiver, R7 Receiver.
This board allows the you to program up to 8 auxiliary 500 kHz transmitting frequency ranges which are selected with the front panel switch of the TR-7.
Also, a crystal socket is provided for each of the 8 auxiliary ranges to allow fixed frequency receive and/or transmit within a selected range.
For extended receive coverage in the TR7 or R7, programming is accomplished by using an RRM-7 Range Receive Module per band segment.
It has one Range Module
installed  with pins
2, 3, 4, 9, 10, 11, 12 and 14, clipped. This gives coverage of 4.0 to 4.5 MHz.
It has one crystal installed, frequency = 4.10330 MHz. This yields an operating frequency of 3.0533 MHz, which does not make sense to me when used with the range module above.
It is in very good condition.
It is guaranteed to be working as it should.
This is 100% guaranteed to be as described.
I am happy to answer your questions to the best of my ability.
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