Tamper resistant Substation
• Two large buttons for instant contact to freely programmable extension numbers or features.
• Extremely rugged 1/4" machined metal front plate.
• No-penetration speaker grille. Protected micro phone and amplifier.
• Built-in 45 Ohm loudspeaker.
• Excellent sensitivity and voice reproduction.
• Adjustable microphone sensitivity.
• Red “microphone open” LED.
• Screw terminals for easy connection of installation cables.
• Securely fastened front plate with tamper-resistant screws.