AVtech ARINC 714 N1304B-1, Selcal EncoderCondition:* New Old Stock, No OEM Packaging. As Pictured. Additional Notes:* Highly Visible LCD Display* 16 Push-Button Front Panel Code Entry With Key Click Feedback* Convenient front panel access to code SEND and code CANCEL pushbuttons* Code Send Indicator * Self Test Capability* 120/240 Volt 50-60 Hz Internal Power Supply* Computer interface via an RS-232 connection* Software module which can externally generate codes and transfer them to the Encoder* Auxiliary relay for keying or audio switching* Tone Capacity: 16 * Tone Accuracy/Stability: 0.15% of nominal tone frequency from 0 to +50C * Tone Balance: 0.5dB over entire frequency range * Code Readout (Display): Four characters, each aprox. 0.5 high * Maximum Audio Output: +10dBm Into 600 Load (~7vp-p) * Hum and Noise Level: Less Than -38 dBm at Output * Power Input Nominal: 120 Volt AC or 240 Volt AC 50-60 Hz Range: 100-120 Volt AC or 200-240 Volt AC, 47-63 Hz * Power Drain: 20 Watt Maximum * Code Entry: 16 button keypad or software control via RS-232 connection * Mounting: Desk Top With Tilt Stand or 19 Equipment Rack * Dimensions: 1U, 19 Rack Mount Chassis, 10.25 Deep MaximumAVtech N1304B-1