What customers are most troubled by and worried about has always been the stability of the signal. Unlike common small and medium-sized scenarios, when customers use the guide device, they are mostly in large castles, multinational enterprise areas, museums crowded with exhibits, and outdoor scenic spots stretching endlessly. These scenarios are particularly complex. As long as there is a slight problem with the signal - lag, interruption, or crosstalk - not only will the experience of tourists and visiting groups be poor, but it may also delay important business negotiations and affect the reputation of the scenic spots and exhibition halls. Yingmi has been established since 2007 and has been focusing on one thing for 18 years: to make the signal of the guide device stable. They have never engaged in the "false specification of parameters" approach.
Customers must avoid: The 3 most common signal pitfalls of the wireless guide device
When communicating with customers in daily life, we often hear them joke about their unpleasant experiences using the wireless guide device in the past. To be honest, these unpleasant incidents are not due to bad luck; the core issue is the signal design of the product, which simply does not match the usage scenarios. The three most common signal pitfalls that customers have almost all experienced are:
Pitfall 1: Multiple teams using simultaneously, with severe crosstalk and difficulty in coordination.
In large exhibition halls and popular scenic spots, it is very common to receive several groups of teams every day - there may be several groups of tourists in the museum, and several visiting groups in the enterprise area. Many cheap guide devices do not have a perfect channel isolation design. When multiple teams start using the equipment at the same time, the signal gets messed up. I heard a customer joke that the previous guide device they used had a situation where a tour guide was explaining the history of the exhibits, and suddenly another group's enterprise introduction came out of the headphones, making it chaotic like a vegetable market; another customer was even more frustrated because of crosstalk, the business visiting group misheard the key cooperation information and almost missed a big deal.
Pitfall 2: Signal interruption at long distances, poor adaptation in outdoor scenarios
In scenic spots and enterprise areas, the scale is generally much larger than that in China. Take the European castle scenic spots for example, a tour route can stretch for several hundred meters. The production line span in enterprise areas can easily exceed 200 meters. Many small brand guide devices have "long-distance transmission" marked on them, but it is purely ideal data from the laboratory and can only be used in completely unobstructed open spaces. Once there are trees, walls, or buildings blocking the way, the signal drops rapidly. Beyond 100 meters, it starts to lag, and at 150 meters, there is no signal and no sound. The tour guide can only stop repeatedly waiting for the tourists, and the tourists will not be happy with the experience, and the tour guide will also be exhausted. The experience level drops to the bottom.
Pitfall 3: Signal attenuation is fast in complex scenarios, difficult to deal with due to many walls and strong interference
In many usage scenarios, the requirements for the signal are really very high. The thick stone walls of castles, the multi-level exhibition halls of museums, and the closed workshops of enterprises all seriously block signal transmission; in addition, the communication signals and broadcasting signals in outdoor areas are already dense, and they are prone to interfering with the signal of the guide device, causing intermittent sound and various noises. A European castle customer told me that the guide device they bought before could not receive the signal at all after two stone walls in the castle, and finally, they had no choice but to abandon the wireless guide and switch back to the traditional loudspeaker, which was noisy and disrupted the visiting atmosphere of the castle.
Yingmi's 18-year real measurement: 008A + C7, covers all scenarios, signal stable as a rock
Yingmi has been in this industry for 18 years, and we are more familiar with these signal pain points of customers than anyone else. Therefore, from the very beginning of the research and development, we have optimized the signal technology specifically, especially for the 008A team guide device and the C7 self-service navigation machine. We have conducted thousands of real measurements in various complex scenarios and not only adapted to the frequency band requirements of most countries but also could easily deal with signal problems such as multiple teams, long distances, and complex walls. These years, it has always been the preferred choice of customers and has a particularly stable reputation.
Scene 1: Team Demonstration of 008A - Long-distance Anti-interference, No Interference Among Teams
008A was specially designed by Yingmi for team demonstrations. Its core solution is to address the two major issues of "long-distance transmission" and "interference among multiple teams". It is particularly suitable for scenarios such as tour guiding, enterprise visits, and large-scale event receptions. Moreover, its signal stability has been verified through actual tests, not just by verbal assurances.
Let's start with the core signal configuration of 008A. It uses a carrier frequency range of 935 MHz - 955 MHz, which is a globally compliant frequency band used by most countries. There is no need for additional debugging, and it can be used directly after being unpacked. This completely avoids the problem of incompatible frequency bands and eliminates the risk of violations. Its communication distance is marked as ≥ 200 meters. After our tests, in an outdoor scenario with no obstructions, the signal can travel up to 220 meters. Even if there are a few trees or low walls in the middle, the signal will not lag or delay, and it can fully meet the long-distance demonstration needs of large scenic areas and enterprise zones. For example, when a tour guide gives an introduction at the entrance of a scenic area, even if the tourists walk 200 meters away to a different attraction, the audio in their headphones will still be clear, without any interruption or delay.
Regarding the issue of interference among multiple teams, 008A is particularly considerate. It is designed with 100 adjustable channels. Simply put, it can support 100 teams to use simultaneously, with each team having its own independent channel, and there is no interference. Moreover, it is equipped with advanced modulation technology and digital filtering design, which can effectively isolate the signals of different teams and fundamentally eliminate interference. We conducted a test in a large museum before, with 50 sets of 008A devices turned on and 50 tour guides giving tours separately. The signals of each group were completely isolated, and tourists could only hear the voices of their own team's tour guide. There would no longer be a situation like "chaotic like a food market", and the problem of multi-team reception was directly solved.
Scene 2: Self-guided Touring Preferred C7 - Anti-interference at Dense Points, Precise Signal without Deviation
If it is a self-guided touring scenario in a museum or art gallery with dense exhibits, C7 is definitely the right choice. Its signal accuracy is said to be industry-leading. The most troublesome problem in such scenarios is that the exhibits are too dense and the explanation points are too close, making it easy for ordinary self-guided tour machines to interfere with each other - when you walk to exhibit A, you hear the explanation of exhibit B. The tourist experience is particularly poor.
However, C7 uses 860 MHz - 870 MHz carrier frequency, just like 008A, and is compatible with the frequency standards of most countries worldwide. No additional modification is needed. It is specifically optimized for scenarios with dense exhibits and supports two explanation methods: automatic sensing and NFC touch. No matter which method is used, the signal is precise and stable. In the automatic sensing mode, tourists put the device on their body and enter the explanation area. Through the signal transmitter installed in the scene, the device will automatically play the explanation words for the current area. The signal recognition range is extremely precise, and there will be no "cross-area misbroadcasting" situation. The NFC touch mode is more convenient. Tourists just need to gently touch the NFC tag in front of the exhibit with the device to immediately hear the explanation. There is no need to wait. Even if multiple tourists touch the adjacent exhibit points simultaneously, the signals will not interfere with each other, and each can listen to their own. It is particularly convenient.
FAQ:
Q1: Does the signal coverage distance of 008A and C7 differ in outdoor and indoor environments?
A1: There is a slight difference, but it does not affect normal use. 008A can transmit a signal up to 220 meters in an open outdoor area without obstructions; in a museum or factory area with walls as obstructions, the signal can also reach over 150 meters. C7 is mainly designed for indoor self-guided tours. The signal coverage range is precisely adapted to the points of explanation. Even in outdoor areas without obstructions, the signal can travel over 100 meters. Whether it's a museum or an attraction for self-guided tours, it is fully sufficient. The signal attenuation of both devices is well controlled, and it does not affect the explanation experience.
Q2: Can multiple teams use it simultaneously and ensure there is no crosstalk?
A2: Absolutely possible. Everyone can rest assured about this. The 008A has 100 independent adjustable channels. When multiple teams are using it, just assign each group a dedicated channel, and the signals can be completely isolated. We have tested 100 groups of teams using it simultaneously, and there is no crosstalk or interference; C7 uses signal precision identification technology. Even if multiple tourists use it at adjacent exhibit points simultaneously, the signals will not affect each other, and each can listen to the explanation of the corresponding exhibit. It is particularly suitable for scenarios where multiple tourists are self-guided visiting at the same time.
Q3: Will the signal be severely attenuated in complex scenarios such as castles and thick walls?
A3: Absolutely not. Both devices have specially optimized signal penetration capabilities. We have tested it, and the 008A can easily penetrate 3 layers of thick stone walls and 4 layers of ordinary walls, and the signal remains stable and clear; C7 is designed for the wall environment of exhibition halls. Even in multi-level exhibition halls with particularly dense walls, the signal will not significantly attenuate, and it can ensure clear transmission of the explanation sound. Whether it's an ancient castle in foreign countries or an old exhibition hall, it can be perfectly adapted.
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