Q: How do u arrange the shipment?

**A: Express(DHL/TNT/FEDEX/UPS/EMS), Air & Ocean Transportation are available.

Q: How long is your delivery time?

**A: 7 days after payment confirmed.

Q: What is your payment method?

**A: We accept T/T, Western Union, PayPal.

Q: Can I get samples?

**A: Sure, we can send samples if u could let us know your Express Account.

Q: What is your payment terms?

**A: Normally we do 30% in advance, balanced 70% before shipment.

Q: What is Hiotech.net?

**A: Hiotech.net is a technology company specializing in IoT solutions and smart devices.

Q: What products does Hiotech.net offer?

**A: Hiotech.net offers a wide range of IoT sensor devices, LoRaWAN gateways, and smart home solutions.

Q: What is LoRaWAN technology, and how does it work?

**A: LoRaWAN is a long-range, low-power wireless communication technology that enables IoT devices to connect over long distances with minimal energy consumption.

Q: Does Hiotech.net provide technical support for their products?

**A: Yes, Hiotech.net offers technical support to assist customers with product installation, configuration, and troubleshooting.

Q: What is the warranty period for Hiotech.net's products?

**A: The warranty period for Hiotech.net's products typically ranges from 1 to 2 years, depending on the product category.

Q: Can Hiotech.net customize IoT solutions for specific applications?

**A: Yes, Hiotech.net provides custom IoT solutions tailored to meet specific business or project requirements.

Q: How can I contact Hiotech.net's customer support team?

**A: You can reach Hiotech.net's customer support team through their website's contact page or via email/phone provided on their website.

Q: What are the pros and cons of LoRaWAN and NB-IoT?

**A: LoRaWAN and NB-IoT are both low-power wide-area network (LPWAN) technologies, each with its own set of advantages and drawbacks. Here's a more detailed breakdown:

LoRaWAN pros:

Long range: LoRaWAN can reach up to 15 km in rural areas.

Cost-effective: It's known for its affordability in terms of gateways and devices.

Low power consumption: LoRaWAN devices have exceptional battery life and can operate for years on a single battery charge.

LoRaWAN cons:

Lower data rates: LoRaWAN offers data rates of up to 27 kbps, which may not be suitable for applications requiring high-speed data transfer.

Limited indoor coverage: LoRaWAN may not perform as well in indoor settings compared to outdoor environments.

NB-IoT pros:

High capacity: NB-IoT can support a large number of devices, up to 100,000 per cell.

Improved indoor coverage: It can penetrate walls and obstacles, making it suitable for indoor applications.

Higher data rates: NB-IoT offers higher data rates, up to 100 kbps, which is better for applications requiring faster data transfer.

NB-IoT cons:

Higher cost: NB-IoT gateways and devices are generally more expensive than their LoRaWAN counterparts.

Shorter range: In rural areas, NB-IoT has a range of up to 5 km, which is shorter than LoRaWAN's range.

Q: Can LoRaWAN be used in water wells, tunnels, and pipelines?

**A: Yes, LoRaWAN is a versatile technology that can be effectively used in various challenging environments, including water wells, tunnels, and pipelines. Its low-frequency characteristics grant it strong penetration abilities, allowing it to function even in underground and enclosed settings. With the proper deployment of gateways, LoRaWAN can reliably cover these areas.

Q: How can I calculate the number of gateways needed?

**A: The number of gateways required depends on your specific deployment area and the density of devices you wish to connect. A general rule of thumb is to start with one gateway per square kilometer. Conduct on-site testing and use a handheld signal analyzer to assess signal strength and identify potential signal blind spots. Adjust the number of gateways as needed based on your findings.

Q: Do I need approval to install a LoRaWAN gateway?

**A: Whether you need approval to install a LoRaWAN gateway depends on your location and local regulations. It's crucial to consult with your local communication authorities and adhere to applicable laws and regulations regarding gateway installations.

Q: How many LoRaWAN devices can a single gateway connect to?

**A: The number of LoRaWAN devices a single gateway can connect to varies based on the gateway's power and the data rate of the devices. A typical gateway can support thousands of devices. However, it's important to note that the number of devices a gateway can handle may decrease as the data rate of the devices increases.

Q: How far can a LoRaWAN gateway reach?

**A: The range of a LoRaWAN gateway is influenced by the specific deployment environment. In rural areas, LoRaWAN gateways can have a range of up to 15 km. In urban areas, the range is typically shorter, ranging from 2 to 5 km. It's essential to consider your deployment environment when planning gateway placement.

Q: What if there is no electricity in remote areas?

**A: LoRaWAN devices can operate effectively in remote areas without access to electricity. These devices can be battery-powered, which allows them to function autonomously for extended periods. Battery-powered LoRaWAN devices can last for years on a single battery charge, making them ideal for off-grid locations.

Q: Should I install a lightning rod on a rooftop or remote LoRaWAN gateway?

**A: Yes, it's advisable to install a lightning rod on LoRaWAN gateways installed on rooftops or in remote areas. Lightning protection is important to safeguard LoRaWAN gateways from potential damage due to lightning strikes.

Q: Can LoRaWAN devices operate in wet or rainy conditions?

**A: LoRaWAN devices are designed to operate reliably in wet and rainy conditions. These devices are typically rated as IP67, indicating their resistance to dust and their ability to withstand submersion in water for up to 30 minutes.

Q: Can LoRaWAN devices be used in high-altitude areas?

**A: Yes, LoRaWAN devices are suitable for use in high-altitude areas. These devices are engineered to function effectively across a wide range of temperatures and altitudes.

Q: What if a new building or power line is constructed after deploying my LoRaWAN network?

**A: The impact of a new building or power line on your existing LoRaWAN network will depend on the specific location of the construction. If the new construction obstructs signals from your devices to the gateways, it may disrupt connectivity. In such cases, on-site testing can help assess the extent of the impact, and adjustments, such as gateway repositioning or additional coverage, may be required.

Q: Are LoRaWAN communications susceptible to interference?

**A: Common sources of interference for LoRaWAN communications include channel occupancy, same-frequency interference, and electromagnetic interference. LoRaWAN devices follow protocols to mitigate these interferences. Channel occupancy is addressed by detecting an idle channel before transmitting data. LoRaWAN devices are designed to perform well in various environments, but certain high-interference scenarios may require optimization.

Q: What is the typical lifespan of LoRaWAN temperature and humidity devices?

**A: A LoRaWAN temperature and humidity device powered by an 8000mAh (3.6V) battery, reporting data every 8 hours and on significant environmental changes, can typically last 2 to 3 years.

Q: How do I know when a LoRaWAN device's battery is low?

**A: Monitoring a device's battery voltage and setting low voltage alarms is a common method to detect low battery levels.

Q: Can I replace the batteries in a LoRaWAN temperature and humidity device if they run out?

**A: If the device has a removable battery compartment and you can obtain the same battery model, you can replace the batteries yourself.

Q: If a LoRaWAN device malfunctions, can it be replaced easily?

**A: Replacing a malfunctioning LoRaWAN device is relatively straightforward if it's the same model, and the application server supports it. If it's a different model, configuration changes may be necessary.

Q: If a gateway fails or loses power, does it affect the entire system?

**A: The impact of a gateway failure depends on the network's design. Redundancy and cross-coverage can help mitigate issues caused by a single gateway failure.

Q: What if I need to add special devices to my LoRaWAN system after project acceptance?

**A: Adding new devices to an existing LoRaWAN system is possible, provided the devices conform to LoRaWAN standards and are compatible with the network. Special functionality may require additional gateways and application server configurations.

Q: Do all devices that support LoRaWAN communication work with the system?

**A: For a device to work with a LoRaWAN system, it must operate on the correct frequency and channel, and possess the necessary encryption keys. Devices should adhere to LoRaWAN specifications for compatibility.

Q: Can I remotely control devices using my smartphone?

**A: Yes, you can remotely control LoRaWAN devices from your smartphone, provided the device supports remote control, and your application server enables this feature.

Q: Is there a limit to the number of devices that can connect to a LoRaWAN gateway?

A: The number of devices a LoRaWAN gateway can support varies based on the gateway's power and the data rate of the devices. A typical gateway can handle thousands of devices simultaneously. However, the number of devices a gateway can handle may decrease as the data rate of the devices increases.