The Model 9107 aural STL receiver is designed to meet today's demand for digital sound quality. The operating frequency is synthesized and field programmable, over an entire 8 MHz range.

Features: triple conversion IF and pulse counting FM discriminator, with 0.05% THD, 80 dB SNR and 50 dB stereo separation; high interference immunity – narrow band cavity RF filters and SAW IF filters provide superior selectivity without inducing phase distortion.