WALKIE-TALKIE

Equipment parameters

1 System Platform

Supports up to 500 VoIP extensions and 24 analog extensions, and can be mixed with analog external lines, E1 digital trunk, mobile card external lines, and VoIP external lines. Each model is equipped with advanced communication functions such as call recording, automatic operator, conference call, call queue, mobile extension, broadcast/intercom, video call, etc., providing users with an efficient business communication experience

The Langshi IPPBX has excellent compatibility, not only supporting automatic batch configuration of mainstream market brand IP phones such as Yilian, Cisco, Azimuth, Polycom, Panasonic, etc; And it can easily implement solutions such as IPPBX remote telephone networking, traditional PBX extension external line expansion, network video monitoring linkage, audio and video conference integration, and third-party management software docking

Device hardware performance:

Ø Freescale A9 chip, equipped with a quad core CPU

Ø MeanWell power supply, with an average time between failures greater than 560000 hours

Ø Molex connectors, with a gold plating layer thickness of up to 15&mu

Ø Burns fuses and surge protectors, meeting surge surges of 5KV and 300A, and complying with ITU-T K.20/21 and GR-1089 standards

Ø Samsung RAM, 2GB

Ø Toshiba DDR3 Flash, 8GB

Ø Each model has a built-in high-performance DSP (digital signal processor)

Ø Supports accessing TF cards, SD cards, USB, and 2.5-inch SATA2 hard drives to store recording files

Equipment features:

N Deep modular design

Users can freely choose to configure analog extensions, analog external cables, E1 digital relays, and mobile card external cables. In addition, VoIP extension extension is also supported

N Built-in rich functions

Equipped with numerous advanced free communication functions, such as call recording, automatic operator, conference call, call queue, mobile extension, broadcasting/intercom, etc., it meets the voice communication needs of modern enterprises in all aspects

N Suitable for various communication schemes

It can provide different communication solutions for enterprises, such as remote office, remote telephone system networking, expansion of traditional PBX extensions and external lines, integration of audio and video conferencing systems, network video monitoring linkage, and third-party management software docking

Simple management and easy maintenance

Based on web-based configuration, it supports local or remote management on PC, mobile phone, or tablet. The configuration interface is user-friendly and easy to operate. Administrators only need to have basic computer network knowledge to complete daily management and maintenance

Detailed features:

2 Intelligent IoT sub stations

IoT Sub Station 3.0 is a product designed for high bandwidth fixed positioning connection purposes, supporting long-distance data collection and multi-level transmission, and continuous coverage of WIFI signals. No wiring, no excavation, no need

Professional knowledge, just power on, one click pairing, break through environmental restrictions, save time and manpower investment. Maintenance free, support the selection of omnidirectional and directional antenna according to the site environment

The detailed technical parameters are shown in the table below:

Equipment features:

Support wireless networking up to 10 levels or above

The distance between sub stations is 300 meters to 2 kilometers, and the continuous hop bandwidth is above 200 Mbps

Wireless automatic disaster recovery with wired support

Lossless multi hop, self management, intelligent networking, intelligent healing

3 Mining Intrinsically Safe Base Station KT452-F

N Product Usage

KT452-F mining intrinsic safety base station is a new type of underground wireless network communication equipment in coal mines. It is based on standard TCP/IP protocol and CAN bus protocol, and can transmit data, video, and audio in real-time

Equipped with fiber optic, RJ45, and CAN bus interfaces, it meets the WLAN transmission technology standards of IEEE802.11b and 802.11g in the 2.4GHz and 5.8GHz frequency bands

N Product Features

Stable, reliable, energy-saving, and versatile

Long wireless transmission distance and stable signal

Small size, light weight, and easy to install

Product model KT452-F

L Explosion proof sign Ex ib I Mb

Explosion proof certificate number: CCCMT15.0531

Safety sign number: MHC150104

L Protection level IP54

Number of fiber optic interfaces 2

Fiber type Single mode

Overall dimensions 290 * 310 * 94 (mm)

Light sensitivity:&le- 35dbm；

Communication method: full duplex

Transmission distance: greater than 20Km

Connection method: bus, supporting tree structure

N Wireless module parameters:

Wireless parameters: 4-way connection in the 5.8GHz frequency band, with a data transmission bandwidth of 1000 megabytes

Two 2.4GHz frequency bands with a data transmission bandwidth of up to 150 megabytes

Communication protocol IEEE802.11b 802.11g

Support cascading function

Coverage radius of 400M

RJ11 electrical interface (intrinsic safety): 2

Coverage radius of 400M

Working voltage DC12V

Product material: stainless steel

8 outlet holes

4 Mining Intrinsically Safe Mobile Phone KT452-S

Mining intrinsically safe mobile phones are terminal devices in wireless communication systems that convert voice or data signals to wireless signals. Low power consumption, long transmission distance, large number of connections, and high voice quality

Equal advantages. In addition to the call and SMS functions of general mobile phones, it also integrates functions such as group call and intercom, one click for help, offline communication, self-organization, and assistance in positioning. Adopting advanced industrial grade design

It meets the protection requirements of explosion-proof, waterproof, dustproof, and shockproof, and is suitable for use in harsh working environments with high temperature, low temperature, humidity, dust, and flammable and explosive gases in the coal mining industry

Main technical parameters:

Screen: 5.5 inch LCD display

Memory: 64G

Battery capacity: not less than 20000mAh, standby time greater than 100 hours, and talk time greater than 24 hours

Accessible call distance greater than 400 meters

Support IEEE802.11b/g/n; Frequency band 2.4-2.483GHz

Transmitting power 15-17dBm

Reception sensitivity greater than -90dBm

Support fast switching between APs to maintain smooth voice

Support encryption methods such as WEP64, WEP128, WPA, and WPA2

5 Mining Flameproof and Intrinsically Safe DC Stabilized Power Supply KDW127/12B

The explosion-proof and intrinsically safe uninterruptible power supply box for mining is a DC stabilized power supply that allows power supply to intrinsically safe equipment for mining in environments with gas and coal dust explosion hazards

Main technical parameters:

Input: AC 127V

Output: Single circuit DC intrinsically safe regulated power supply

Rated voltage: DC12± 8%V

Rated current: 1.0A

Backup power supply: working hours≥ 4 hours