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                                    The FRT-7700 is an ultra-compact antenna tuner for the
FRG-7700 receiver. Designed for operation from 150 kHz to 30
MHz, the FRT-7700 will provide the proper impedance for the
receiver, thus rejecting unwanted signals . A built-in
attenuator, 60 dB maximum, prevents intermodulation and
cross- modulation from occurring when strong signals are
being carried to your receiver. Also, a two-section lowpass
filter aids in the rejection of interference from strong
signals above 2 MHz, when you are listening to bands in the
150 kHz to 500 kHz range.