- Method 1: With the rapid evolution of wireless networks, older signal jammers may only obstruct 2G networks such as PHS, China Mobile, and China Unicom, proving ineffective against 3G and even the current 4G networks. Countermeasure: Utilize a 3G or 4G card.
- Method 2: Band Manipulation Technique. Given that signal jammer operate by disrupting mobile phone signals within designated frequency bands, one can evade interference by adjusting the mobile phone's transmission and reception frequencies. Since jammers typically obstruct mobile phone signals within the 900-1800MHz range, whereas mobile phones operate within the broader 850-1900MHz spectrum, adjusting the mobile phone's frequency settings to the maximum ensures unhindered signal reception.
- Method 3: WIFI Evasion Strategy. This approach necessitates a favorable environmental setting with an accessible wireless network nearby. Certain mobile phone signal jammers may prove ineffectual against WIFI signals, allowing uninterrupted external communication.
- Method 4: Bluetooth Workaround. Ideal for short-range communication within shielded zones, some jammers may overlook Bluetooth transmission and fail to block it. Consequently, installing Bluetooth messaging applications on mobile phones enables normal communication within limited proximity.
- Ultimately, as network technology advances, mobile phone signal jammers undergo updates at minimal cost. By incorporating the frequency bands of known networks into their interference parameters, these devices effectively neutralize all radio transmissions.
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