DBSPECTRA's DS8TMD1, 806 – 816 MHz dual amp tower top amplifier system with DIN Female connector. Automatic bypass of LNA in event of LNA alarm condition or loss of power. Provides more than 120 dB of isolation at the 700 and 800 MHz transmitter carrier bands. Prevents high-level carriers from entering the receiving system to ensure optimum receive sensitivity performance. Narrowband frequency models are available to further protect receivers. Heavy-duty weatherproof aluminum enclosure. SS34, 11 gauge stainless steel options available. Test port standard for accurate receiver sensitivity testing.