Matsudaira Hidemi quickly edited the telegram, added an urgent coded note at the beginning, and sent it out.

Because Lu Yuannan valued telecommunications the most, the telecommunications group of the Central Bureau of Investigation and Statistics (CBIS) headquarters in the Shanghai-Suzhou area was the best telecommunications group in the CBIS. They had multiple advanced telecommunications devices and could monitor and receive radio waves from all sides around the clock.

As long as Matsudaira Hideki repeats the urgent code at the beginning of the telegram, the communications team will immediately identify it and notify Lu Yuannan.

Matsudaira Hidemi's efforts paid off. In a villa on the top floor in the eastern part of Suzhou, the radio operator responsible for listening quickly identified Matsudaira Hidemi's radio waves and immediately sent someone to notify Lu Yuannan, the district head of the Suzhou-Shanghai district.

Lu Yuannan quickly arrived at the telecommunications room, picked up his headset, and answered the telegram.

Just to be on the safe side, Matsudaira Hidemi sent the message again. As Lu Yuannan's disciple, Lu Yuannan immediately recognized Matsudaira Hidemi's method and felt a chill run down his spine.

He knew that by now, the second infiltration team he had sent out should have made contact with Bat. This team was equipped with a radio and a transmitter. If things were normal, Bat's intelligence should be sent by the transmitter of the infiltration team. But now Bat was transmitting the message himself, which meant that Bat was using a backup radio to send an emergency notification.

Thinking of this, Lu Yuannan became anxious. After receiving the telegram, he translated it himself, and the contents quickly appeared before his eyes.

Upon seeing the telegram, Lu Yuannan was greatly surprised. He quickly made way for the telegraph operator and personally replied to Matsudaira Hidemi: "Lie low and wait for the waves to awaken you!"

"Sea Waves" is Lu Yuannan's own code name. Now that the infiltration team led by Sun Xiangde has run into trouble, Bat's safety is under great threat. Without hesitation, Lu Yuannan immediately ordered Bat to cease all intelligence operations and await his instructions.

Sun Xiangde was a senior agent of the Suzhou-Shanghai Regional Headquarters. He knew a lot of secrets about the Suzhou-Shanghai region. Lu Yuannan dared not take any chances. He immediately took action and notified all units and personnel that Sun Xiangde might know to evacuate. In addition, just in case, his own intelligence headquarters also had to be moved in time.

However, his notification came a little late. After receiving Tsuchihara Keiji's telegram, the Special Higher Police branch in Suzhou immediately launched an operation to arrest six agents of the Central Bureau of Investigation and Statistics at the two strongholds and capture a high-ranking official from the Suzhou-Shanghai area.

Fortunately, their interrogation delayed the next step of the arrest operation, allowing Lu Yuannan to complete his evacuation.

By the time the Special Higher Police got the senior agent to talk and started making arrests based on his confession, the Su-Hu Regional Headquarters had already withdrawn from Suzhou and hidden in the suburbs, narrowly escaping a crisis of total annihilation.

Just half an hour after Matsudaira Hidemi and Lu Yuannan's radio transmission, in the office of the head of the intelligence group of the Shanghai Special Higher Police, the newly appointed head of the intelligence group, Eguchi Ryusei, was receiving a report from Major Suzuki, the head of the communications group.

"Team Leader Jiang, our communications team has received a new radio signal. The initial location is in the south of the city. The signal was activated for ten minutes. I ordered the nearby detection vehicles to listen. We have confirmed that it is near South Fourth Street. The signal will be activated after that. We are currently continuing to listen."

Eguchi Ryusei was in his thirties and had an ordinary appearance. He was an early student of Tsuchihara Keiji and was transferred from North China to Shanghai by Tsuchihara Keiji to replace Kitaoka Ryoko as the new head of the Special Higher Police's intelligence group.

He was also an outstanding intelligence officer in the Special Higher Police, especially skilled in telecommunications. In North China, he used advanced eavesdropping techniques to crack down on the radio stations of many anti-Japanese organizations and capture many anti-Japanese soldiers behind enemy lines. He was one of Tsuchihara Keiji's capable assistants.

This time, he also brought a set of listening equipment and three radio wave detection vehicles from North China. As soon as he arrived at the Special Higher Police, he began to set up a city-wide listening plan, attempting to replicate the investigation operation in North China and crack down on all the anti-Japanese underground organizations in Shanghai.

"Has this radio wave appeared before?" Ryusei Eguchi asked.

“Well, Chief Jiang, our listening capabilities were very weak before, and we didn’t have any listening records. The Military Police Headquarters, on the other hand, has listening equipment and two radio wave detection vehicles. I don’t know if they have any records.”

Ryusei Eguchi thought for a moment, then nodded and said, "I'll apply and ask. Once we establish our own surveillance system, I want to use this as a starting point to find the whereabouts of Chinese agents. By the way, are there any registered radio stations in the South Fourth Street area?"

"There are three stations, all of them commercial radio stations. Two are Japanese chambers of commerce, and one is a Chinese trading company."

"Take men to investigate immediately, check the time of the transmission, see if anyone used the radio, and verify the radio frequency!"

"Hi!"

In the following days, all sectors in Shanghai simultaneously suspended their activities.

Ning Zhiheng received Luo Xingchao's report and learned the final result: several small fry were killed, and the traitor Sun Xiangde was seriously injured. However, Li Zhiqun, who was in charge of the trapping operation, reacted quickly and arrested six citizens on the street. They are currently being interrogated. Ning Zhiheng could not be sure whether Bat had escaped danger, so he could only ask Luo Xingchao to pay close attention to the development of the situation.

The Shanghai station and the assassination squad also lay in wait in the International Settlement, waiting for Wang Tianhai to return to Shanghai so they could continue assassinating their targets.

Lin Hanwen, the leader of the underground party, was caught off guard by the sudden situation. Too many things had happened during this period. First, the transportation route to the mountainous area of ​​southern Jiangsu was cut off. Then, Qin Lechi, the main person in charge of procurement, was suddenly arrested. Fortunately, he was quickly out of danger, but he had been tortured and seriously injured and was temporarily unable to work. This brought all the support work for the troops on the mountain to a standstill.

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