Chapter 157 External Threats
Lu Zhao turned the terminal to low brightness and quickly debugged it on the monitoring console with his hands.
He increased the sensitivity of the external monitoring signal unit by two levels, expanded the local network, and switched to the latest captured dynamics.
A set of coordinates popped up on the main screen. Lu Zhao glanced at the time scale and pulled out the data of the moving frequency with a serious expression.
"There are abnormal movements on the periphery of the main south area. The speed is very fast and there are more than twenty of them."
Lu Zhao lowered his voice and flipped through the mobile signal overlay with his right hand. "The targets are advancing in a circular pattern, and the intervals are within the range of the tactical formation. They are not like ordinary infected bodies."
Su Wanqing gathered the data sheet at hand, without looking up, and just moved Lu Zhao's terminal closer.
"Overlapping with the virus fluctuations in the air outside just now?"
Lu Zhao nodded and pushed the timeline forward. "Almost at the same time. One group was 95 meters from the main south entrance, and the other group was flanking horizontally. Their signal interference intensity was higher than that of ordinary infected bodies. It was judged that they were a human team equipped with standard communication equipment."
Xiao Ran came closer and lowered his voice. "The ones who came in directly were from the rebels? Their formation looks like a hunting team, not like they are trying to eliminate the infected."
"They locked the approximate coordinates. It's very likely that the signal from the pendant exposed the location."
Lin Che checked the channel interface and wiped the sweat off his forehead. "The signal interference is distributed in a tree-like pattern. It's too neat."
Lu Zhao rubbed his fingers together and said, "There are three more small mobile units, distributed in various ventilation ducts and blind spots. They use shortwave frequency hopping signals, so they must have been specially deployed for tracking."
Xiao Ran stood up and lifted his straps. "We have to search the entire closed area at this rate. We can't delay any longer. We should consider moving first, otherwise we will all be trapped inside."
Su Wanqing paused writing, she calmly switched all the monitoring stations to the main channel, her eyes fell on the data group, "We can't be careless. The other party is most likely coming for the virus's core equipment and pendants.
If we evacuate hastily, we will leave all the important equipment and data to the other party, and all our previous efforts will be in vain."
Lu Zhao opened the underlying signal interface and backed up the remaining data to local storage.
"But once they break in, there won't be enough time to destroy all the secrets."
Su Wanqing pushed the terminal to Lin Che and paused for two seconds. "Then we have to wait for a plan. We are short of manpower and cannot rush into a conflict. Now the data of the core equipment must be destroyed as much as possible - but we need to set a timing module and segmented self-destruction logic, so that we can't just leave a pile of coke."
Lin Che nodded and dragged the signal interference module to the device analog port. "I will use my supernatural power to create a magnetic field shield to maximize the interference of communication signals outside the experimental area. At least it will delay their positioning equipment for a while."
Su Wanqing said "hmm", and then added, "Don't let the jammed frequency bands harm our internal network. The rebels don't rely on ordinary frequency bands to track us, so we can only delay them for a short time. Don't let them destroy our own operating channels."
Lin Che stood firmly at the back of the experimental table and released his supernatural power. A magnetic field appeared in his palm.
He dragged the two signal lines into the external frequency band and adjusted the amplitude directionally little by little.
"I set it to hop every three minutes, so that the highest signal point directly corresponds to the external communication channel. As long as they want to use the locator, the interference value will surge in a certain direction."
Xiao Ran took off the magazine on his shoulder and knocked the table with his palm. "Do you want me to go to the power distribution shaft first and completely block the air-conditioning entrance and airtight door outside, at least to prevent them from coming in?"
Su Wanqing didn't answer, but asked Lu Zhao first: "Where are the blind spots in the peripheral surveillance? Where can they get in?"
Lu Zhao dragged the signal distribution of each group into the simulation diagram, and tapped the passage leading to the main control area of the experiment with his left index finger. "There is a fault in the northeast wind duct, and there is also a northwest maintenance well. The rebels can completely explore the deepest layer at these points. Adjust the escape air duct as a backup for evacuation."
Xiao Ran didn't wait any longer, he directly carried his equipment and walked to the rear passage section, "I'm going to confirm the airway structure and reserve a route now."
Su Wanqing nodded, picked up a tool pen on the test bench, wrote down a number in the logbook, and said to Lin Che, "Raise the magnetic field to a higher level, and automatically collect interference feedback every minute. I need to determine whether the external signal has the ability to automatically adapt."
Lin Che frowned and reached out to adjust the parameters again. He pulled out a wire from the prophecy module and connected the external interference converter to the power supply.
"The channel magnetic field can cover 120 meters, which can theoretically eliminate most of the functions of at least three positioning terminals."
There was a dull knock from the other side of the passage. Xiao Ran lowered his head and entered the narrow abandoned airway, scanning with his tactical flashlight.
He used the communication headset to whisper to the people inside: "There's no one in here. Continue north along the airway for about 30 meters. There is a vertical shaft that leads down to the logistics warehouse level. The exit is hidden, enough for the whole family to hide."
Lu Zhao quickly recorded the route and marked the abandoned airway entrance on the distribution map. "We have an evacuation route. If we can't stop it, deploy the equipment destruction code in advance. Avoid all original test records and focus on blowing up the data module and main control storage to avoid future troubles."
Su Wanqing opened her eyes and didn't look at him. She just paused and said, "Make another destruction list and prioritize the key parts. The pendant cannot fall into their hands, even if it is completely disconnected."
Lu Zhao nodded. "I'll write a self-destruct sequence and isolate all the parts in advance. I'll keep a backdoor, and once the order is given, it will be completely destroyed, and even the residual signal won't be able to be traced."
Lin Che debugged the interference area and pondered over it again and again. "As long as their signal channel does not receive complete feedback, they will not be able to accurately lock the location in a short time. The extension of the magnetic field will affect the spread of some active factors, and the infected bodies closer to the main equipment may also become sluggish."
Su Wanqing found the secondary database again and exported the last set of core files to another device.
The numbers on the terminal screen were still jumping slowly. She frowned and said to Lu Zhao, "Except for the data and equipment, the remaining documents must be burned with high-inflammable agents and must not be decrypted by anyone."
Xiao Ran crawled out of the airway and wiped the water from his forehead. "Outside the logistics warehouse is an old-fashioned electric shaft. I walked around it and stepped on it. There is no ambush. The direction of the rebel main force is still blocked by the magnetic field. We have five to seven minutes to prepare."
The girl with a childish voice sat on a small stool under the laboratory table, her face pale, her hands tightly grasping the corners of the blanket.
There were footsteps and unusual noises coming from the passage outside. The girl stared at Su Wanqing and said in a hoarse voice, "Is someone coming in?"
Su Wanqing didn't say anything, but grabbed her shoulder and pressed it gently, "We will make arrangements so that no one can touch you, and we won't let you touch the pendant again."
The girl breathed rapidly, shrank her body, and moved closer to Su Wanqing step by step.
"Can you... not let them get closer?"
Su Wanqing wrapped her tightly in the blanket and lowered her voice to a very low level, "I won't let them touch you. Just stay with me, you won't be alone."
The girl nodded, digging her nails into the blanket and shivering a little.
As Lu Zhao was typing in the self-destruct code, a prompt popped up, "The self-destruct logic is complete, and now the backend is just waiting for the order. The remaining data has also been split."
Lin Che locked onto the magnetic field interference again on the main console. "The signal monitoring alert can last two more times. If they have additional means, we have to change channels to deal with them."
Xiao Ran returned to the main gate of the experimental area and added in a low voice: "There are already two teams approaching the airtight door on the periphery. I just left some interference signals in the airway. Once people come in close, they will be guided to the abandoned pipe well. As long as we stabilize the time, we can retreat without alerting the main team."
Su Wanqing organized all the logic into a table, assigning all possible steps for retreat one by one, and said in a low and fast voice: "During the evacuation, Lin Che will guard the rear, Lu Zhao will take the equipment and data, and I will take the girl. Xiao Ran will be responsible for the rear guard and destruction. Each of you can leave the destruction materials at hand as you go, and do not stay too long."
Lu Zhao pinched the edge of the communicator unconsciously. "The rebels are using rotating microwave scanning. In another three minutes, the airtight door will be cracked softly."
Lin Che prepared all the remaining water energy storage blocks, "Once the magnetic field boundary is breached, I will take the initiative to disconnect the main energy line and cut off the power when the other party comes in."
There were dense footsteps outside the main door, and low voices and the sound of metal hitting each other penetrated the walls.
Xiao Ran pulled out the spare magazine, simply organized his weapons, and moved to a corner of the experimental area to observe the rebel team's advancing pattern. "The front row is used to using jammers to sweep animals and abnormal heat sources, and the back row is responsible for the lead. We only need to wait for them to enter a little bit - then we can use the airway to escape."
Su Wanqing thought about it and turned back to order: "After retreating to the airway, destroy the entry signal module immediately. There is no need to fight. Take as much information as possible. If you can't, just take the pendant and the most core data."
Lin Che was doing the final inspection of the magnetic field. When he walked past the lab table, he glanced at the still trembling girl and said, "Don't be afraid. We will go out with you. We won't abandon you."
The girl didn't dare to look up. She bit her lips twice, her voice so soft that only those close enough could hear it. "They... are scary. Last time I saw them beating someone, it hurt and there was a lot of blood."
Lu Zhao did not interrupt. He opened the back panel of the device and inserted the last manual high-temperature destruction piece into the main chip. He cleared the terminal track records, stuffed the debris into the incineration bag, and checked whether there was any risk of leakage of the remaining data.
Xiao Ran walked through the back door of the experimental area and scanned the internal structure of the airway. "There is a sealed manhole cover at the end of the airway. It needs to be physically pried open. There is no trace of electricity, which can prevent tracking. I left an extra layer of debris at the exit and left a retreat sign. As long as the team has less than five people coming in, they can all exit as planned."
Su Wanqing nodded and said nothing else. There was only the noise of equipment and the movement of the rebels getting closer and closer outside.
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