LTE 4G GSM Mobile Phone Handheld Detector

LTE 4G Bug Mobile Phone Detector Anti-Cheating in Exam


LTE 4G 3G 2G GSM Bug Mobile Phone Detector Anti-Cheating in Exam

The RFD-10 LTE 4G 3G Mobile Phone Prison Detector is a handheld multiband cellular signal detector for 4G, 3G and GSM device. It is design to detect signals from mobile phones, smartphones, vehicle trackers, GSM bugs and covert 3G/4G camera. All signals strength display on the monitor. The RFD-10 LTE 4G 3G Mobile Phone Prison Detector not only helps to locate contraband or unauthorized phone use during imprisonment, test taking but also can detect Standby phone ... RFD-10 detects range up to 15 meters depending on signal strength and ambient conditions.

  • Adjustable detected sensitivity

  • Audio Alarm  - Beeper or earphone

  • Signal strength indicator

  • Fine sensitivity tuner for each individual frequency band

  • Detect cell phone signal at distance over 15 meters.

  •  Can capture the sporadic up-link transmission of "Registration Request" signal.

  •  Can capture the instantaneous internet-packet-data upload signal.

  •  Can capture the spontaneous short message transmission.

  •  Can capture the voice communication

  •  It has internal memory to record the setting parameter. If the application location has not been changed, it will require no re-calibration.


Overall Size 3.2x9x19 cm
Detection Frequency 4G 703-748 MHz   
GSM 880-915 MHz
CDMA 824-849 MHz
UMTS(WCDMA) 1920-1980 MHz
DCS 1710-1785 MHz
4G 2500 – 2570 MHz
Build-in Antenna Micro-strip multiband inverted-F Omnidirectional antenna
Sensitivity >-40 dBm
Dynamic Range 35dB
Detect range up to 15 meters
Built-in battery 2200mAh Single cell Li-Ion 3.8 V
Duration 16 Hours with fully charged battery
Low Battery warning <3.3V
Audio Alarm mode, Beeper speaker or Earphone(Vibration-option) Beep pitch modulated by signal strength
LCD display 4x16 alphanumerical with backlight
Weight 225 grams


  • In sensitive/important meeting rooms to check for hidden devices
  • To check unauthorized mobile phone usage in offices, exam halls, hospitals, church, the holy place, mosque or prisons
  • In vehicles to locate hidden tracking devices
  • Security check to find the spy bug

Relational Information