LC103-AD Open-Face Weatherproof Hotline Telephone (Analog / SIP / 4G)

Open-Face Hotline Design: Provides immediate access to the handset without opening a protective door.

Automatic Dialing: Lifting the handset automatically calls a pre-programmed number, allowing fast communication without using a keypad.

No-Keypad Operation: Simplifies use, reduces dialing errors, and prevents unauthorized calls to other numbers.

Vandal-Resistant Construction: Includes a die-cast aluminum enclosure with a durable polyurethane finish and an armored handset cord.

Audio Quality: Features a noise-reducing microphone and a Hearing Aid Compatible (HAC) handset.

Extreme Durability: Operates in temperatures ranging from -40°F to 149°F (-40°C to 65°C).

Weatherproof Protection: Rated IP66/IP67, with NEMA 4X-equivalent protection for reliable indoor and outdoor operation.

Impact Resistance: IK10-rated enclosure designed for heavy-duty and vandal-prone locations.

Corrosion Resistance: Suitable for coastal, marine, industrial, and other high-moisture environments.

Mounting: Designed for wall installation using a heavy-duty mounting bar.

Cable Entry: Includes three M20 cable gland entry points for protected cable routing.

Reliability: Long-term performance with an MTBF exceeding 50,000 hours under normal operating conditions.

Communication Options

1. Analog Version (LC103-AD-A)

• Power: Drawn directly from the telephone line; no separate local power supply is normally required.

• Compatibility: Works with standard PSTN lines, PABX systems, and analog telephone gateways.

• Supply Voltage: Supports approximately 24–65 VDC from the telephone line.

• Functionality: Automatically dials a pre-programmed number when the handset is lifted.

• Dialing: Supports DTMF and pulse dialing, depending on configuration.

• Programming: Can be programmed remotely using DTMF commands or compatible configuration methods.

• Ringing Output: Provides a ringing level of at least 80 dB at 3.3 ft (1 m).

• Frequency Range: Supports voice frequencies from approximately 300 to 3400 Hz.

• Protection: Includes surge and lightning protection in accordance with applicable telecom protection standards.

• Integration: Can be connected to a SIP system through a compatible analog gateway.

2. SIP/VoIP Version (LC103-AD-SIP)

• Power: Supports PoE IEEE 802.3af or an alternate 12V DC power source.

• Connectivity: SIP 2.0 (RFC 3261) compliant for integration with standard SIP servers and IP-PBX systems.

• Network Interface: Includes a 10/100Base-T RJ45 Ethernet port.

• IP Configuration: Supports static IP addressing or DHCP.

• Management: Fully configurable through a web browser for remote setup, diagnostics, and firmware management.

• Automatic Dialing: Calls a programmed destination when the handset is lifted.

• Sequential Calling: Supports multiple programmed call destinations, depending on configuration.

• Advanced Audio: Supports common voice codecs, including G.711, G.722, G.723, and G.729.

• Network Functions: Supports VLAN, QoS, RTP, SRTP, HTTP/HTTPS, NTP, DHCP, and other standard IP-network functions.

• Redundancy: Can support primary and backup SIP server registration.

• Control: Equipped with up to two relays for remote control of external hardware such as gates, lights, sirens, or beacons.

3. 4G Cellular Version (LC103-AD-4G)

• Power: Powered by 12V DC, with optional solar power and backup battery solutions available.

• Connectivity: Operates independently through a standard SIM card and 4G LTE cellular network.

• Automatic Dialing: Calls a pre-programmed number when the handset is lifted.

• Remote Configuration: Managed through SMS commands from an authorized mobile number.

• Monitoring: Supports remote diagnostic reporting for battery voltage, cellular signal strength, speaker volume, and microphone volume.

• Power Consumption: Approximately 0.3W in standby and 1.5W during operation.

• Ringing Output: Provides approximately 90 dB(A) at 3.3 ft (1 m).

• Antenna: Includes a quad-band SMA antenna with an approximately 6.5 ft (2 m) cable.

• Regional Support: Available with different LTE modules for North America, Latin America, Europe, and other international markets.

• Best Use: Ideal for remote sites, outdoor facilities, gates, parking areas, utilities, and locations without landline or Ethernet infrastructure.

Physical Specifications

Unit Size: 8.0 × 13.1 × 4.1 in (204 × 334 × 105 mm).

Shipping Dimensions: 7.9 × 11.8 × 17.3 in (200 × 300 × 440 mm).

Net Weight: Approximately 11 lbs (5 kg).

Gross Weight: Approximately 13.2 lbs (6 kg).

Handset Cord Length: Approximately 31.5 in (80 cm) armored cord.

Cable Entries: Three M20 cable gland entry points.

Housing Material: Die-cast aluminum alloy.

Finish: Weather-resistant polyurethane coating.

Mounting Type: Wall-mounted.

Packaging: Secure foam padding in a heavy-duty carton.

Standard Color: Yellow.

Available Customizations: Optional body colors, custom labels, logos, external beacon, horn, acoustic hood, solar power, and backup battery configurations.

Last updated: 04/22/25

Please review our Shipping & Delivery Policy before placing an order. This policy applies to orders placed through LightCom.

Order Processing and Lead Time

Most LightCom products are industrial communication devices and may require production, configuration, programming, testing, or special preparation before shipment.

Typical order processing / preparation time is:

10–15 business days after payment confirmation, unless otherwise stated in the quotation, invoice, or product page.

For custom-built, special-order, modified, or project-specific products, lead time may be longer and will be confirmed separately.

Shipping Time

After the order is ready and handed over to the carrier, estimated transit time is typically:

12–15 days by air freight, depending on destination, carrier schedule, customs clearance, and local delivery conditions.

Total estimated delivery time is usually:

Approximately 3–5 weeks after payment confirmation, depending on product availability, production schedule, configuration requirements, shipping method, customs clearance, and final destination.

Delivery estimates are not guaranteed and may vary due to carrier delays, customs inspections, weather, holidays, peak shipping seasons, or other circumstances outside of our control.

Shipping Terms

Shipping terms may vary by order and will be stated in the invoice or quotation.

Some orders may be shipped under:

DDP – Delivered Duty Paid, when specifically stated in the invoice. Under DDP terms, freight, duties, and import-related charges included in the invoice are handled as part of the shipment arrangement.

If DDP is not stated in the invoice, the customer may be responsible for applicable taxes, duties, customs fees, brokerage fees, or import charges required by the destination country.

Free Shipping within the U.S.

For selected products and orders, LightCom may offer free standard shipping within the United States.

Free shipping availability may vary depending on product type, order value, destination, supplier location, and shipping method.

International Shipping

LightCom ships to many countries worldwide.

For international orders, delivery times and shipping costs vary based on destination, shipping method, customs clearance, product availability, and local delivery conditions.

Some shipments may be fulfilled directly by third-party suppliers or manufacturing partners managing product inventory and logistics.

Tracking Information

Tracking information will be provided when available.

For some international shipments, tracking updates may not appear immediately. In many cases, tracking becomes active after the shipment is received and scanned by the local carrier or destination hub.

Customer Responsibility

The customer is responsible for providing a complete and accurate shipping address, including company name, contact person, phone number, email, street address, city, state/province, postal code, and country.

LightCom is not responsible for delays or additional charges caused by incorrect or incomplete shipping information.

Contact Us

If you have questions about shipping, delivery time, or order status, please contact us:

Phone: (267) 506-7283 Email: mike.strashnov@lightcom-telecom.com

1. Simple auto-dial operation — the user only lifts the handset, and the phone automatically calls the pre-programmed number.

2. No keypad, less confusion — ideal for security, emergency, maintenance, or service calls where users should not dial manually.

3. Fast open-face access — the handset is immediately available without opening a protective door.

4. Rugged industrial construction — die-cast aluminum enclosure with a durable polyurethane finish for harsh environments.

5. Weatherproof outdoor protection — IP66/IP67 rating for reliable use in rain, dust, moisture, and demanding outdoor conditions.

6. Vandal-resistant design — IK10 impact resistance and armored handset cord help protect the unit in public or industrial locations.

7. Three communication options — available in Analog, SIP/VoIP, and 4G LTE versions for different site infrastructures.

• Security call points at gates, entrances, checkpoints, and guard stations

• Emergency call stations in industrial facilities, parking areas, tunnels, and public spaces

• Maintenance hotline phones for direct calls to maintenance teams or control rooms

• Operations and dispatch communication in factories, utilities, ports, and transportation sites

• Tunnel and roadside communication where users need a simple direct-call phone

• Remote outdoor locations where a 4G version can operate without landline or Ethernet

• Public-access areas where a no-keypad phone prevents unauthorized or incorrect dialing

• Harsh industrial environments such as steel plants, power stations, chemical plants, and manufacturing facilities

• Marine and port facilities exposed to moisture, salt air, corrosion, and weather

• Service call stations in warehouses, loading docks, equipment yards, and production areas

1. Telephone

2. Special key for opening the case

3. Bolts for fastening

4. Installation kit

5. Antenna and power supply (4G option)

The standard color is yellow.

Blue, red, orange, green, and black are available upon request (custom orders may extend production time and may increase the price). To do this, go to the Fast Inquiry section at the end of the page and specify the parameters you are interested in.

Available Customizations:

• Special order body Color: Orange, red, green, blue, black, and more (minimum order quantity applies).

• Flash Lamp Color: Blue, yellow, or green (other colors available upon request).

• Custom Engraving: Personalized text or labels on the phone body.

• Acoustic Hood.

• External Loud speaker.

• Solar power system

To request customization, please submit your requirements through the Fast Inquiry form at the bottom of each page.

1. What is the LC103-AD?

The LC103-AD is an open-face weatherproof hotline telephone designed for fast, direct voice communication in industrial, outdoor, and harsh environments. It is built for applications where users need to reach one pre-programmed destination quickly.

2. How does the auto-dial function work?

The user simply lifts the handset, and the phone automatically calls the pre-programmed number. No keypad operation is required.

3. Does this model have a keypad?

No. The LC103-AD is a no-keypad hotline telephone. This helps reduce user confusion, prevents incorrect dialing, and keeps the call process simple.

4. What does “open-face” mean?

“Open-face” means the phone does not have a protective door or cover over the handset. The handset is immediately accessible, which is useful for emergency, security, maintenance, and service call points.

5. What communication versions are available?

The LC103-AD is available in three versions:

• LC103-AD-A — Analog line-powered version

• LC103-AD-SIP — SIP / VoIP version

• LC103-AD-4G — 4G LTE cellular version

6. Which version should I choose?

Choose Analog if you have a traditional phone line, PABX, or analog gateway.

Choose SIP / VoIP if the site has Ethernet, PoE, an IP-PBX, or SIP server.

Choose 4G LTE if the site does not have a landline or network connection and needs independent cellular communication.

7. Can this phone be used outdoors?

Yes. The LC103-AD is designed for outdoor and harsh-environment use. It has IP66/IP67 weatherproof protection and a rugged die-cast aluminum enclosure.

8. Is it vandal-resistant?

Yes. The phone is designed for public, industrial, and harsh environments. It includes an IK10 impact-resistant enclosure and an armored handset cord.

9. What is the housing made of?

The housing is made from die-cast aluminum alloy with a durable polyurethane finish.

9. What is the operating temperature range?

The LC103-AD operates from -40°F to 149°F (-40°C to +65°C).

10. Can it be used in noisy areas?

Yes. The handset is designed for industrial use and includes a noise-reducing microphone. Optional accessories such as an acoustic hood, external horn, or beacon can be considered for high-noise areas.

11. Can the SIP version use PoE?

Yes. The SIP / VoIP version supports PoE IEEE 802.3af or an alternate 12V DC power source.

12. Does the 4G version need a SIM card?

Yes. The 4G LTE version requires a standard SIM card with active cellular service. The correct LTE module and carrier compatibility should be confirmed based on the installation country and mobile network.

13. Can the 4G version be used where there is no internet or landline?

Yes. The 4G version is intended for remote or infrastructure-limited sites where landline or Ethernet service is not available.

14. Can the phone call 911 or emergency services?

The phone can be programmed to call a pre-set emergency or security number. For direct calls to emergency services such as 911, local regulations, caller location information, carrier support, and dispatch center requirements should be verified before deployment.

15. Can the phone call a security desk or control room?

Yes. This is one of the most common applications. The LC103-AD can be programmed to call security, dispatch, maintenance, operations, a control room, or another fixed destination.

16. Can the call destination be changed later?

Yes, depending on the version and configuration. The SIP version can be configured through a web interface. The 4G version can be configured remotely by SMS. The analog version can be programmed according to its supported configuration method.

17. Where is this phone typically installed?

Typical applications include:

• Security entrances and gates

• Industrial facilities

• Tunnels and transportation sites

• Parking areas

• Ports and marine facilities

• Utilities and power stations

• Warehouses and loading docks

• Remote outdoor locations

• Emergency and maintenance call points

18. Can the phone be customized?

Yes. Available options may include custom body colors, labels, logos, external beacon, external horn, acoustic hood, solar power, backup battery, and other project-specific configurations depending on the version and order requirements.

19. What is the main advantage of this model?

Its main advantage is simplicity: lift the handset and connect immediately. This makes it ideal for locations where users need a fast, reliable, and easy way to reach help without dialing.