BST Elevator Main Intercom BH202/K M Z For CCTV Room
$57.48
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Input voltage: 12V DC/24VDC ±10% Standby current: ≤25mA Maximum audio current: ≤300mA Frequency: 300-4000Hz Ringtone level: ≥70dB Car phone volume: ≥70dB Call distance: ≤3500m Connecting wire: 0.75mm² Working temperature: -10℃～55℃ Supports up to 199 office address codes Missed call storage/callback function
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