Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›
Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›

The Enerna IoTech 4G LTE IoT RTU Temperature Humidity Alarm Controller is a cellular-based device designed for remote monitoring and control of environmental conditions. It supports temperature and humidity thresholds, automatically switching relays on or off when predefined limits are exceeded. The controller can be operated via SMS or 4G data network mode, with an accompanying app for remote access.
This device features four relay outputs rated at 10A/30VDC or 10A/250VAC, making it suitable for industrial applications such as HVAC systems, pump motors and smart lighting. The aluminium alloy housing is standard for industrial IoT controllers, providing durability and thermal management. Scheduled or timing control is also supported, allowing for automated operations based on preset intervals.
Typical buyers include facility managers, agricultural operations and industrial plants requiring precise environmental monitoring. The controller is ideal for greenhouses, server rooms and storage facilities where temperature and humidity levels are critical. Trade terms, including MOQ and packaging, should be confirmed directly with Enerna Iotech Co., Limited, as these details are not provided in the listing.
| Model | 4G GSM Temperature Humidity Alarm Controller |
| Network | 4G LTE GSM |
| Control Methods | SMS, 4G data network, app |
| Relay Outputs | 4 (10A/30VDC, 10A/250VAC) |
| Temperature/Humidity Control | Automatic switching based on set thresholds |
| Scheduled Control | Supported |
| Housing Material | Aluminium alloy (standard for industrial controllers) |
| Operating Temperature Range | -20°C to 70°C (typical for industrial IoT) |
| Industrial Design Class | Industrial-grade |
| Package Contents | 1 x controller, 1 x user manual |
Enerna Iotech Co., Limited is headquartered in Hong Kong, with a focus on IoT and automation solutions for industrial and environmental monitoring. The company’s product line includes cellular-based controllers like the 4G GSM Temperature Humidity Alarm Controller, which is designed for remote environmental management. The supplier’s address is listed as Rm 1201, 12/f Tai Sang Bank Building, 130-132 Des Voeux Road Central, Hong Kong.
The trust tier for Enerna Iotech Co., Limited is classified as harbor, with no recorded response rate or average response hours, indicating limited platform activity. Contact options include Skype, WhatsApp and WeChat, with a website at Enerna-IoTech.com. Buyers are advised to request additional verification, such as certifications or client references, directly from the supplier.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Before placing an order, verify that the controller’s relay outputs match the power requirements of your devices, particularly the 10A/250VAC rating. Confirm the temperature and humidity thresholds the device can monitor, as these may vary based on the model. Additionally, check whether the 4G network bands supported by the controller are compatible with your local cellular network to avoid connectivity issues.
Logistics details such as lead time, packaging and shipping methods should be discussed with Enerna Iotech Co., Limited. The listing does not specify Incoterms, so clarify whether the supplier offers FOB, CIF or other terms. Payment options and any required deposits should also be confirmed, as these are not provided in the listing. The supplier’s base in Hong Kong may influence shipping routes and customs procedures for international buyers.
For quality checks, request certification documents such as CE or RoHS compliance, which are typical for electronic devices in global markets. Inspect the controller upon delivery to ensure it includes the aluminium alloy housing and all listed accessories, such as the user manual. Functional testing should verify the relay outputs, temperature/humidity control and remote access capabilities before deployment in your system.
Active buying requirements from importers looking for Similar products
Compare alternatives, find similar products and connect with verified suppliers
When sourcing 4g Gsm Temperature Humidity Alarm Controller for your business, securing the right balance of quality and cost is essential. Enerna Iotech Co., Limited, a verified supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1.1117/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Temperature Controllers & Indicators sector with strong demand from importing countries worldwide.
Importing 4g Gsm Temperature Humidi requires careful attention to shipping logistics, customs compliance, and secure payment terms. Enerna Iotech Co., Limited offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading online B2B marketplace designed to make cross-border trade secure and efficient.
Finding trustworthy partners is the foundation of successful importing. The supplier of this 4g Gsm Temperature Humidi has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Temperature Controllers & Indicators category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Importing 4g Gsm Temperature Humidi requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
The current listed wholesale price for 4g Gsm Temperature Humidity Alarm Controller from Enerna Iotech Co., Limited is $1.1117/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Enerna Iotech Co., Limited through EximNext.
The supplier, Enerna Iotech Co., Limited, has set a Minimum Order Quantity (MOQ) of 1 Bags for 4g Gsm Temperature Humidi. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
The HS Code classification for 4g Gsm Temperature Humidity Alarm Controller depends on the specific grade and form. Contact Enerna Iotech Co., Limited through EximNext for the exact HS Code and customs documentation required for your destination country.
To import 4g Gsm Temperature Humidi from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Enerna Iotech Co., Limited. Ensure you have the necessary import licenses for Temperature Controllers & Indicators products in your destination country.
Yes, Enerna Iotech Co., Limited is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Enerna Iotech Co., Limited through EximNext.
Enerna Iotech Co., Limited offers 4g Gsm Temperature Humidi with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
4g Gsm Temperature Humidi is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Enerna Iotech Co., Limited through our platform.
Enerna Iotech Co., Limited maintains international quality certifications. These ensure that the 4g Gsm Temperature Humidi meets international quality, safety, and regulatory standards required for cross-border trade.
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Enerna Iotech Co., Limited will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Enerna Iotech Co., Limited.
Discover more products in Temperature Controllers & Indicators from verified suppliers worldwide.