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Can we order extra backup items together with the ESL price tag sample or future order?

2026-08-07

Absolutely you can arrange extra backup items alongside your sample order or any subsequent formal bulk purchase of ESL price tags.

Please feel free to list required backup parts when confirming your order details. We will combine these spare goods into the same shipment to save extra delivery fees and streamline your receiving process efficiently.

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Why is there a deviation between the data output by HPC015S Wi-Fi infrared counter and the actual on-site passenger flow during operation?
Can a SIM card be inserted into the sensor of the HPC168 bus passenger counter?
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Related questions
1
Does the HPC168 bus passenger counter device support HTTP POST to a custom URL to send count data in real time？What is the data format sent - JSON or hexadecimal string?

The HPC168's RJ45 interface uses the HTTP POST method for uploading and retrieving data. The server response must specify UTF-8 encoding and disable the Accept-Charset response header. All POST field values ​​are hexadecimal strings of the actual data.

Please refer to HPC168 protocol document for details, which contains complete parameter introductions and practical transmission examples for your integration testing.
2
Does the infrared people counter require good lighting conditions to work properly? Will dim or low‑light environments affect its counting accuracy?
The infrared people counter can work normally without ambient lighting. However, light sources such as sunlight and spotlights contain infrared components, which may interfere with counting accuracy. Turning off the lights only eliminates interference from indoor lamps, while sunlight causes particularly obvious interference.
3
Does the ESL electronic shelf labeling system work directly via Bluetooth from a mobile phone, or is a gateway / base station required?

Our ESL tags cannot run independently via direct Bluetooth connection from mobile phones, and a dedicated base station gateway is mandatory for full system operation.

All electronic shelf labels rely on the base station to receive data and synchronize display content from the management software. Without the supporting gateway, standalone price tags fail to receive update commands or function normally. This dedicated gateway design also stabilizes wireless communication across the whole supermarket environment.
4
Can a SIM card be inserted into the sensor of the HPC168 bus passenger counter?
The HPC168 passenger counter unit itself does not support SIM‑card functionality. It can connect to an external GPRS module via the RS485 protocol for network connectivity.
5
Why is there a deviation between the data output by HPC015S Wi-Fi infrared counter and the actual on-site passenger flow during operation?
A certain margin of error in passenger counting data from infrared counters is inevitable. Since the device continuously accumulates statistical data, all minor errors will pile up over time. The longer the running duration, the larger the total accumulated error value, and the inaccuracy becomes especially prominent when calculating dwell number of people. Most customers primarily rely on this equipment for comparative trend analysis of passenger flow across identical periods.

If you require precise headcount statistics for people lingering within a designated area, we recommend switching to an AI people counter. AI people counter device identifies actual human figures within the target monitoring zone directly, delivering the highest counting accuracy.
6
What is the max recommended ESL price tags per gateway?

There is no fixed upper limit on how many ESL labels a single gateway can manage, provided all tags fall within its effective signal coverage.

Each gateway (AP base station) delivers coverage across a circular area with a 20-meter radius. We normally suggest mounting the device on ceilings to avoid signal blockages from shelves, goods and wall structures. Proper high placement helps stabilize wireless transmission and lets the gateway connect with more in-store price tags reliably.
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As a supplier with over 20 years of experience in the retail industry, we offer various intelligent solutions and products such as ESL (Electronic Shelf Label), EAS (Electronic Article Surveillance), and people counting (passenger counter) products.
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Contact person: Mark

Tel:+ 86-21-5235 3906
Fax:+86-21-5235 3906

Add: Room 5A12, 4th Floor, Building 5,
Lane 1343, Tongpu Road, Putuo District, Shanghai, China
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