CH-Camouflaged IMSI Catcher

Early version kit, accurate mobile phone signal positioning (IMSI: International Mobile Subscriber Identity)

Effective range: 10 meters
4G LTE multi-carrier polling collection, supporting China Mobile, China Telecom, China Unicom and China Broadband four major networks
Complete charging adapter functions

Pocket IMSI Catcher

It is essentially a portable, handheld and concealed fake base station. It can disguise as operator base stations within a small range, force surrounding mobile phones to connect silently, so as to obtain IMSI/IMEI data, realize positioning, communication monitoring and fake SMS sending. Featured by compact size for easy concealment in pockets or backpacks.

1. Core Definition & Working Principle

IMSI: Unique 15-digit identity code of SIM card
IMEI: Unique 15-digit hardware code of mobile phone
Working Principle (Man-in-the-middle Attack)

Strong signal suppression: Transmit stronger co-frequency signals than official base stations to attract priority connection of mobile phones.
Disguised base station handshake: Simulate 2G/3G/4G communication protocols to capture IMSI, IMEI and RSSI signal data.
Network downgrade & monitoring: Force mobile phones to switch to 2G network to realize call monitoring, SMS interception and data hijacking.
Data transmission: Support local storage and remote data upload with zero perception for mobile phone users.

2. Core Advantages

Size: Palm-sized, weight under 500g, easy to carry
Power supply: Built-in lithium battery with 4-8 hours duration, compatible with power bank
Transmit power: Low power design, coverage range 10-200 meters
Dual working modes: Passive scanning and active trapping
Full-band support: Compatible with GSM, 3G UMTS and 4G LTE mainstream frequency bands
High concealment: Built-in hidden antenna, can be disguised as power bank and daily supplies

3. Main Functions

Mass collection of surrounding mobile phone IMSI, IMEI, device model and signal data
Precise positioning with positioning accuracy ranging from 5 to 50 meters
Communication interception, call monitoring and SMS capture
Custom blacklist and whitelist for targeted tracking

4. Application Scenarios (Only for official legal law enforcement use)

Criminal investigation: Suspect tracking and missing person positioning
Security protection: VIP escort and confidential area mobile phone inspection
Emergency rescue: Personnel positioning and rescue in disaster areas

Important Notice: This device involves radio signal interception and communication intrusion related technologies. Unauthorized production, sale and use are seriously illegal and violate national radio management regulations and network security laws, and must not be used for any illegal activities.