1. The phone can form an independent communication system with a programmable exchange.

2. Directly connects to the telecommunications network.

3. Once the call system is assembled, each phone is an independent workstation, and a failure in one does not affect the entire system's operation.

4. Built-in amplifier, supports external speakers and sirens; automatically connects upon incoming calls, disconnects during power outages for added safety; once the communication system is set up, the product features automatic gain, ensuring voice volume remains consistent regardless of distance or number of phones.

5. The internal circuit of the telephone uses a DSPG digital chip, offering advantages such as accurate dialing, clear conversation, and stable operation.

6. Carbon steel surface electrostatic powder coating, high mechanical strength, and strong impact resistance.

7. Our company manufactures the handles, hangers, and keyboards for key components in-house, ensuring strict quality control and a quick response to after-sales feedback.

Ideal for environments with specific requirements for moisture-proof, fire-resistant, noise-reduction, dust-proof, and frost-proof, such as subway systems, highways, power plants, gas stations, ports, and steel companies.

Usage Instructions:

1. Caller lifts receiver, presses button, dials called party's phone number → Called party's phone rings

2. The called party hears the ringtone → presses the button to answer the call, and both parties have a normal conversation.

3. End call and hang up the receiver

、

1. One-year free warranty under normal use, excluding man-made damage.

2. All product handles, hangers, and keyboards are self-manufactured by our company, and service parts are available at any time.

3. Unified Service Hotline: 400-118-2011