TT21 & TT22 Wiring Harness Plus TN72 Connections | Long Wiring Harness, 118 Inch HTW-1H11A24 The SS series features switching

The SS series features switching technology with greater 82% efficiency and includes special filter circuitry for use with all frequencies including HF

A calculator

The BM-AIK2B airframe interface kit adapts 12-volt aviation-specific BatteryMINDers for use with FAA-certified aircraft

The blue series strap wrench and replacement straps are preferred for connector/accessory use

TT21 & TT22 Wiring Harness Plus TN72 Connections | Long Wiring Harness, 118 Inch HTW-1H11A24 The SS series features switchingThis TT21 & TT22 wiring harness with TN72 connections is a 118 inch long cable harness that connects a TT21 or TT22 remote mounted transponder unit to a panel mounted TC20 control head as well as to a TN72 GPS Receiver. This harness includes all the necessary wiring to facilitate the installation of the TT21 TT22 Compact Transponders to a TC20 control head plus provides for TN72 GPS receiver integration.