Details：
The power is 30W, the rated resistance is 8Ω, the protection level is IP65, and the explosion-proof design is used. It is an explosion-proof fire-fighting broadcast alarm speaker. Installed in the public area of inflammable and explosive places, used for amplifying and transmitting long-distance sound and alarm. Applicable to petrochemical industry, oil depot, zone 1, zone 2 and dust inflammable and explosive places, manual auxiliary alarm for fire in zone 21 and zone 22, and passed the inspection by the inspection unit designated by the state. And obtained an explosion-proof certificate.

Details：
The power is 30W, the rated resistance is 8Ω, the protection level is IP65, and the explosion-proof design is used. It is an explosion-proof fire-fighting broadcast alarm speaker. Installed in the public area of inflammable and explosive places, used for amplifying and transmitting long-distance sound and alarm. Applicable to petrochemical industry, oil depot, zone 1, zone 2 and dust inflammable and explosive places, manual auxiliary alarm for fire in zone 21 and zone 22, and passed the inspection by the inspection unit designated by the state. And obtained an explosion-proof certificate.

Details：
The output power is 30W, the rated impedance is 8Ω, and the protection level is IP55. It is aimed at the propaganda and alarm audio devices on various lifting equipment, cranes, mines and large cranes. It is suitable for the high power of lifting equipment such as rural broadcasting, ports, mines, metallurgy, etc. The loudspeaker alarm audio device is especially suitable for rural empty broadcasting, high-altitude and noisy scenes.

Details：
AFT-IAD900 analog voice gateway supports 64/80/96 FXS/FXO ports combinations, with a maximum of 96 FXO/FXS high-performance IP voice gateway in a 1U standard machine. Available codecs include G.711A, G.711U, G.729, G.722, ILBC. The IAD600/800 analog VoIP gateways use the standard SIP protocol and are fully compatible with a wide range of choices with leading IMS/NGN platforms, IPPBX and SIP servers. With good voice/fax processing capability and ultra-high stability, it provides efficient and high-quality IP call services for carriers, enterprises, and corporate phone systems.Translated with DeepL.com (free version)

Details：
SIP-A2 is a user-friendly and minimalist entry-level IP phone that features a backlit graphic LCD screen with a resolution of 128X64, providing users with a clear visual experience. It provides one SIP account, comes with a local 5-party conference, and has rich business functions. In addition, the adjustable multi angle bracket can meet the needs of users in different scenarios. Easy to install and use, easy to manage, it is a powerful assistant for improving office efficiency.

Details：
Fiber optic input to the host, then fiber optic output to the next host or fiber optic switch, and convert telephone line signals to connect multiple analog telephones. It not only has the function of a fiber optic telephone host, but also serves as an analog telephone for communication. Supports connecting multiple analog phones, and can choose from 8-port, 16 port, 32 port, etc. as needed.