T3507009 is an M16 D signalmate® circular DIN connector from Amphenol's C091 family, designed for industrial applications requiring robust environmental protection and EMI shielding. The connector features a metal screw coupling system with IP65/67/69K rating when mated, thermoplastic dielectric material, and silver/gold contact plating for reliable signal and power transmission. It supports contact termination via solder or crimp with wire gauges from 18 to 28 AWG, and offers excellent electrical performance with insulation resistance greater than 10¹² O and contact resistance less than 5 mO. The connector operates over a temperature range of -40°C to +100°C and provides 720 hours of salt spray corrosion resistance, making it suitable for demanding industrial environments including 4G/5G mobile radio networks, measuring instruments, and equipment requiring high-integrity connections.