F E AT U R E S Connects R/T to 3 Antennas (Upper, Lower or ADF) Auto Mode Cycles Between Upper and Lower Antenna Key Function with Memory Automatically Selects the Antenna on which the Last Signal was Received ADF Overide with Key Interlock Prevents Transmission into the ADF Port Failsafe Mode Connects R/T To Lower Antenna in the Event of a Power Loss BIT Port for Functionality Test in Aircraft HDI MODEL NO. 100D0688 3 Port Antenna Selector WIRE LOCK PART IDENTIFICATION 5.50 5.00 4.50 .25 .50 1.00 .38 TP1 TEST POINT JACK .250 UPPER ANT LOWER ANT J3 J2 ADF ANT 0.13 J1 J4 1.75 1.50 J4 J3 J2 2.00 J5 .60 (MAX) TYP .209 DIA THRU (4 PLACES) .25 TNC FEMALE 3 PLACES 1.00 1.75 3.75 LOGIC CONNECTOR, SMA FEMALE KEYWAY (REF) J2 1.11 .72 J5 J3 .41 0.09 ±.02 .59 J1 J5 R/T 1.25 MAX TP1 (FARSIDE) CONNECTOR, 13 PIN MS27478Y-10D-13P .xx = .02 .xxx = .010 GUARANTEED PERFORM ANCE Parameter DC Operating Temperature -54 Weight DA I C O In d u s t r i e s Min Typ Max Units Operating Frequency DC Current Isolation Insertion Loss VSWR Impedance Switching Speed RF Power Operate 400 150 40 0.5 1.25/1 50 +25 5 100 500 +71 9 MHz mA dB dB Conditions At +28 VDC Supply OHMS mSec W Average W Peak °C Intermittent @ +95°C OZ Rev. H / Iss. 1