1. Product description:
The mobile phone activity detector is a handheld multi-band mobile phone signal detector, adapted to the latest generation of 4G devices (existing 2G and 3G are also applicable), as well as Bluetooth wireless devices.
        Designed for detecting and locating signal transmission from cellular mobile data devices, including mobile phones, tablets and smart phones, vehicle trackers, GSM eavesdropping devices (bugs) and wireless 3G, 4G sneak shot cameras.
It is widely used in confidential meeting rooms to check hidden eavesdropping equipment, used in offices, examination rooms, hospitals or prisons to find illegal mobile phones, and used to locate hidden tracking equipment in vehicles. The device also has an independent 2400Mhz band detector to deal with the growing threats from wireless, Bluetooth and video devices.

2. Product features:
1. Can detect GSM (2G), UMTS (3G), 4G (LTE) and wireless, Bluetooth devices and devices with a frequency of 2.4Ghz
2. Detect mobile phones, smart phones, GPS trackers, SMS (short message), GSM bugs, 3G/4G video recorders, wireless, Bluetooth devices.
3. Super sensitive-can detect signals up to 50 meters away.
4. The event log records date events, detected frequency bands, duration, and signal strength, and can store up to 4000 items.
5. 3.5-inch color TFT display, easy-to-use menu-driven operation.
6. "Beep" sound signal strength mode and silent vibration mode.
7. The shell made of aluminum alloy has strong durability.
8. Built-in lithium polymer battery-with charger.
9. Comes with a durable military-grade suitcase.

3. Testing frequency:
1. 4G 800MHz; 4G 2600MHz
2. Bandwidth: 824-849MHz
3. Out-of-band data attenuation: >40dBtyp
4. Minimum detection level: -59dBm bandwidth: 2500-2570MHz
5. Out-of-band data attenuation: >40dBtyp
6. Minimum detection level: -48dBm
7. 2G 900MHz 3G (UMTS) (WCDMA) 2100MHz
8. Bandwidth: 880-915MHz
9. Out-of-band data attenuation: >40dBtyp
10. Minimum detection level: -52dBm bandwidth: 1925-1975MHz
11. Out-of-band data attenuation: >70dB
12. Minimum detection level: -76dBm
13. 2G/4G 1800MHz WIFI/Bluetooth 2400MHz
14. Bandwidth: 1710-1785MHz
15. Out-of-band data attenuation: >40dBtyp
16. Minimum detection level: -52dBm bandwidth: 2400-2485MHz
17. Out-of-band data attenuation: >40dBtyp
18. Minimum detection level: -56dBm

4. Basic parameters:
1. Display: 3.5-inch TFT color page high-contrast chart display
2. Battery: Built-in 3.7v2400 mAh rechargeable lithium battery, battery life-8 hours full charge, charging time-4 hours.
3. Dimensions: 173mm x 103mm x 25mm
4. Weight: 400g host
5. USB socket: only used for USB download
6. Signal processing and control: RISC-based microcontroller with real-time clock
7. Working temperature range: -15℃ to 50℃; relative humidity <90%