LC308-PB Series Flush mounted Emergency Intercom. Water and Vandal-Resistant | Analog | SIP | 4G
The LC308-PB Series Emergency Intercom is a rugged, hands-free emergency communication solution designed for elevators and public spaces where reliability, durability, and immediate response are critical.
Housed in a stainless steel enclosure with brushed finish, the LC308-PB delivers dependable voice communication in high-risk, high-traffic, and vandal-prone environments.
Designed for Public Safety Applications.
Ideal for:
Elevators & lift cabins
Parking garages & car parks
Railway & metro platforms
Prisons & correctional facilities
Hospitals & public buildings
Gate entrances & secured areas
With single or two buttons operation, the Emergency intercom enables instant connection to a control room or emergency services — no handset, no user training required.
Clear Hands-Free Communication
One or two vandal-resistant metal call button
Hands-free loud-speaking operation
Noise-cancelling microphone
Built-in 2 W speaker
LED indicator for call status
ADA-compliant design
Ensures clear communication even in noisy or stressful situations.
Built to Withstand Harsh Environments
IK10 vandal resistance
IP65 weather protection
Puncture-resistant speaker and microphone
Anti-tamper stainless steel construction
Tested for salt spray, humidity, and corrosive environments
Suitable for both indoor and outdoor Emergency Intercom installations.
Options: 1 or 2 buttons and Three Connectivity Options — Select at Checkout
The LC308-PB Series Emergency Intercom is available in three versions:
Analog — PSTN or analog PBX, line-powered
SIP (VoIP) — compatible with leading IP PBX systems
4G / LTE — SIM-based operation for sites without wired infrastructure
Choose the required version during checkout.
Easy Installation & Long-Term Reliability
Wall-mounted design
Rear cable entry to prevent tampering
MTBF > 50,000 hours (model dependent)
Designed to minimize installation time and lifetime maintenance costs.
Available options include:
Custom labels
Beacon / visual alert
External loudspeaker
Telephone pillar
Solar power or backup battery (4G version)
📩 Please contact us via the inquiry form for optional features. Custom configurations may affect price and lead time.
Why Choose the LC308-PB Emergency Intercom?
Proven vandal-resistant design
Reliable hands-free emergency communication
Analog, SIP, and 4G options in one product family
Ideal for elevators and public safety environments
Backed by a 2-year warranty and 15+ years of expertise
LC308-PB Flush mounted Water/Vandal Proof Emergency Intercom (Analog/SIP/4G)
Communication Options
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Analog: PSTN / PABX compatible, PD or DTMF dialing (ITU-T Q.23), sequential calling support
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SIP: SIP 2.0 (RFC3261), full-duplex, compatible with most SIP IP-PBX systems
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4G: 4G LTE cellular communication, auto-dial numbers, remote monitoring and diagnostics
Power Supply
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Analog: Line powered, 24–65 V DC
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SIP: PoE (IEEE 802.3af) or 12 V DC adapter (100–240 V AC, 50/60 Hz)
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4G: 12 V DC (adapter input 7.4–12 V DC)
Power Consumption
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Analog: 20–100 mA DC
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SIP: Idle 1 W / Working 2.4 W
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4G: Idle 0.3 W / Working 1.5 W
Audio & Alerting
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Ringing volume:
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Analog: 80 dB(A) @ 1 m (3.3 ft)
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SIP: 90–95 dB(A) @ 1 m (3.3 ft)
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4G: 90 dB(A) @ 1 m (3.3 ft)
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Hands-free communication supported
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Echo cancellation (SIP, G.168 compatible)
Configuration & Management
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Analog: Remote programming via DTMF tones or keypad
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SIP: Web-based configuration, firmware upgrade via browser, remote diagnostics
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4G: Remote configuration via SMS, centralized management, status reporting (signal, battery, audio levels)
Networking & Interfaces
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SIP:
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LAN/WAN 10/100Base-T (RJ-45), Auto-MDIX
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DHCP or Static IP, VLAN support
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Wide protocol support: IPv4, TCP/UDP, RTP/SRTP, HTTP/HTTPS, SNMP, NTP, QoS/ToS
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4G:
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External quad-band SMA antenna with 2 m (6.6 ft) cable
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GNSS support (GPS / GLONASS / BeiDou / Galileo – optional, module dependent)
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Environmental Specifications
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Operating temperature:
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−40°C to +65°C (−40°F to +149°F)
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Storage temperature:
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−40°C to +75°C (−40°F to +167°F)
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Reliability
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MTBF: >50,000 hours under normal operating conditions
Common Mechanical & Packaging Information (All Versions)
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Unit size:
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216 × 146 × 40 mm
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8.5 × 5.7 × 1.6 in
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Shipping dimensions:
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250 × 180 × 80 mm
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9.8 × 7.1 × 3.1 in
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Net weight:
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1.5 kg (3.3 lb)
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Gross weight:
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2.0 kg (4.4 lb)
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Packaging materials:
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Foam padding, carton packaging
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