Высококачественная система объемного звучания 70-110 В Pa в потолочных динамиках
7,20 $ - 7,90 $
LoRaWAN магнитный беспроводной датчик открытия/закрытия двери IoT
- Категория: >>>
- Поставщик: Hunan Hkt Technology Co. Ltd.
Сохранить в закладки 62023748269:
Описание и отзывы
Характеристики
Product Description
DS-20 is a monitor based on LoRaWAN standard communication protocol independently developed by HKT Technology, which integrates infrared and magnetic door. The product is a remote monitoring door and window switches and intelligent door sensors for human activities. When doors and windows are opened or someone enters illegally, it will automatically notify the user through a text message. The optional infrared sensor of the product.It has the characteristics of high detection accuracy, stable performance and low power consumption.
Features:
1. Based on the standard LoRaWAN protocol.
2. Integrated design of door magnetic, infrared and temperature and humidity.
3. Built-in battery, with a service life of 1-2 years (depending on the frequency of data transmission).
4. Small size and easy installation.
5. Replaceable battery design for easy customer maintenance.
Technical parameter:
| Communication protocol | LoRaWAN |
| Working frequency | CN470 ~ 510MHz EU868 US915 AS923 |
| Receive sensitivity | -142dBm |
| Transmit power | ≤17dBm (adjustable) |
| Working voltage | DC 3.0V |
| Quiescent current | 7μA |
| Low voltage alarm | Support (2.5V ± 0.1V) |
| Battery capacity | 1600mAh |
Application:
Widely used in homes, communication rooms, workshop production lines, large logistics warehouses, archives, museums, etc.Scenery doors and windows monitoring.
Company Information
Our Services
Device connection services
Based on both LoRaWAN standards communication modules, simple AT command set and SDK, the HKT provides device connection services, making it convenient for customers to embody secondary development and applications.
Industrial-grade IoT network services
HKT provides its enterprise users with M2M connectivity applications and addresses their needs for making their systems intelligent in data collection, remote transmission, security authentication, and big data services (AI/BI) from terminal devices.
Cloud and local N.S/J.S/A.S services (Intranet)
Provides MQTT/RESTful API services to facilitate
user application development, to support both public and private cloud networks (intranet), and to achieve secure local data collection, transmission, storage, and analysis under the gateway with built-in local LoRaWAN N.S.
Customized services
HKT provides customized services in product design, R&D and manufacturing according to the needs of corporate customers
Packaging & Shipping
Contact us
FAQ
1. What are your terms of payment?
Usually, we accept T/T, PayPal and Western Union. For special orders, we also accept L/C at sight with conditions. We encourage orders for standard products be procured through Alibaba Platform.
2. What about the lead time?
For standard products, we need 20 days from order confirmation. We keep a reasonable stock, goods in stock can be delivered in 3~5 working days from order confirmation.
3. How about the shipping?
Usually, we will deliver the goods via International Express like FedEx, DHL, TNT, and UPS and so on. Door to door delivery service can be provided.
4. How can I place an order?
(1) Mutual Agreement on price and product specifications.
(2) Proforma invoice confirmed by customer.
(3) Agreed payment fullfilled by customer.
(4) We deliver the goods and advise the shipping documents.
We encourage orders for standard products be procured through Alibaba Platform.
5. Can you do OEM for us?
Yes. Pls check with our sales representative. We may ask your special requirements on function design, package design, etc., for OEM, a counter MOQ is also required.
6. What are the advantages of your products?
A. Competitive prices with high quality.
B. We can offer one stop solution on APP, Software, and hardware to meet your special project.
C. Professional sales consultant, know how to listen, and how to find a solution.
D. Good after-sale service. Professional online technical support can be provided. Moreover, if there is any problem of the goods, we will help to solve the problem or provide replacement of the goods.
E. Strict quality control during production process. One year international warranty.
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