Bogen Communications, Inc

The power supply shall be a Bogen Model PRS40C, or approved equivalent, and shall supply unregulated 12V DC at 300 mA from a 120V DC, 60 Hz source. Maximum power consumption shall be 8 watts. The sleeve of the mini plug (and the lead with the white tracer) shall be positive. The unit shall measure 2" W x 2-3/8" H x 1-5/8" D. ................
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