XIEGU X5105 - External Interface Descriptions; Microphone, CIV, Earphone Interfaces; ACC Interface Pinout and Telegram Key Wiring

SCREEN DISPLAY
Screen display information
LEFT-SIDE PANEL CONNECTIONS:
① Desk Stand Bracket:
Swings down to prop radio up on a table or desktop.
② Antenna Connector:
Accepts 50 Ω BNC-Male connector from antenna system
③ IF-Signal Output:
Connects the 1st-IF output signal to Xiegu XDT1 data terminal or spectrum display.
④ External Speaker or Headphones:
Accepts 3.5mm stereo plug (3 wire) for external speaker or phones (4-16 Ω).