One-button SOS alarm & help request terminal
Built-in speaker & microphone for two-way intercom
TCP/IP network audio transmission, CD-quality sound
IP65 Aluminum material for outdoor usage
M-9239 IP Emergency Call Panel is a professional network alarm and intercom terminal designed as a core component of the M-9200 IP Public Address System.
This device supports one-button emergency alarm and help call, enabling fast response in critical situations. Featuring a full aluminum alloy body, IP65 protection rating, and high-reliability circuit design, it ensures stable performance in both indoor and outdoor environments.
With a built-in 5W speaker and high-sensitivity microphone, the M-9239 enables two-way voice intercom with control centers or other IP terminals. It supports TCP/IP network audio transmission, delivering CD-quality stereo sound over LAN/WAN networks.
The panel supports custom priority control, centralized server management, DHCP, and is compatible with 2G/3G/4G networks, routers, switches, multicast and unicast environments, making it ideal for modern IP broadcasting systems.
Perfect for:
Schools, hospitals, campuses, factories, parks, subway stations, prisons, parking lots, and emergency communication systems.

High-strength full aluminum alloy body, sandblasted finish
IP65 waterproof & dustproof protection
One metal emergency button with red LED ring indicator
Built-in 5W speaker + high-sensitivity microphone
Two-way IP intercom communication
Built-in hardware audio decoding module
Supports TCP/IP, UDP, IGMP multicast
16-bit stereo CD-quality audio transmission
100-level customizable audio priority control
Centralized server authorization & user management
Supports DHCP, compatible with all network structures
Ultra-low latency broadcast (≤50ms)
School emergency alarm system
Hospital nurse call system
Industrial safety alarm
Prison & detention centers
Parking lot intercom
Campus security system
Public area emergency communication
Subway & railway stations
| Item | Specification |
| Model | M-9239 |
| Product Type | IP Emergency Call / Alarm Intercom Panel |
| System Compatibility | M-9200 IP Public Address System |
| Power Supply | DC 12V / 2A |
| Power Consumption (Standby) | < 1W |
| Speaker Power | 5W |
| Network Interface | Standard RJ45 |
| Transmission Speed | 10/100 Mbps |
| MIC Sensitivity | 10mV / 600Ω |
| Frequency Response | 20Hz – 20kHz |
| Signal-to-Noise Ratio | ≥80dB |
| Sampling Rate | 16kHz – 48kHz |
| Audio Bitrate | 8Kbps – 320Kbps (Adaptive) |
| Audio Format | MP3 |
| Total Harmonic Distortion | ≤0.1% |
| Network Protocols | ARP, UDP, TCP/IP, ICMP, IGMP (Multicast) |
| Broadcast Delay | ≤50ms |
| Protection Level | IP65 |
| Operating Temperature | -20℃ to +60℃ |
| Operating Humidity | 10% – 90% RH |
| Material | Full Aluminum Alloy |
| Button | Metal button with red LED ring |
| Dimensions | 120 × 190 × 40 mm |
| Installation | Wall-mounted |
| Application | Emergency call, help request, intercom |
Specifications are subject to change without prior notice.
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