The model 109930 comes with 4 wire connections for use with 24VAC systems.

Features

• For use inside metal enclosures and in other applications requiring stronger signal reception
• Antenna with coaxial connector supplied
• 1 amp output @ 30 Vac maximum on relay contacts
• 24 V input
• Frequency: 300 MHz (310 MHz also available)
• Codes: 1,024 (set by dip switches)
• Dimensions: 5.25 x 3.625 x 1.5 inches
• Order number: MCS109930

Installation Manual
Literature