fast shipping and no problems
    Equipment of good quality, very responsible seller and fast delivery. I recommend to all Alibaba community / AliExpress. I will definitely buy more units.
    Best seller,good transaction and fast delivery time
Contact Person : Amy Cheah
Phone Number : +86 134 1856 8064
WhatsApp : +8613418568064

2G / 3G Portable Mobile Phone Signal Detector EST-101B Buit In Antenna

Place of Origin China
Brand Name EST
Certification CE&ROHS
Model Number EST-101B
Minimum Order Quantity 1PC
Packaging Details neutral packing
Delivery Time 1-3 working days
Payment Terms 100% before shipment
Supply Ability 500pcs/week

Contact me for free samples and coupons.

WhatsApp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Product Name Cell Phone Signal Detector Model No. EST-101B
Output Port CDMA / GSM / DCS / PHS/3G Range 1-10M
Antenna Built-in Aerial Dimension 97(L)×60(W)×23(H)mm
High Light

2G / 3G Mobile Phone Signal Detector


Portable Mobile Phone Signal Detector OEM

Leave a Message
Product Description


2G / 3G Portable Mobile Phone Signal Detector EST-101B Buit-In Antenna


1. Introduction

EST-101B Portable mobile phone signal detector can exactly detects the CDMA, GSM, DCS and PHS (3G) mobile phone signal in 1-10 meters. It'll vibra or flash warning when finds the mobile phone signal and show the type of the signal. This detector only work on mobile phone signal and no interrupt on other signals.

2. Technology

Detect widebands:

a. can detects the RX frequency(CDMA) 824MHz~849MHz

b. can detects the RX frequency(GSM) 890MHz~915MHz

c. can detects the RX frequency(DCS) 1710MHz~1785MHz

d. can detects the RX frequency( PHS/3G ) 1920MHz~1980MHz(2100-2200)


*signal detecting range:Radius 1 ~ 10M. (depends on the strength of the mobile signal in local area).

*Working light(Blue)& RF detecting light(Red).

*When it find the mobile phone signal, the red indicator will be on, the closer to the mobile phone, the more lights will be on, and show the signal’s type.

*Alarm:flash or vibra(choice).

*Earphone:for secrecy reason, when someone using the phone, you can hear the beeping by earphone.

*Antenna: Inner omni antenna

*power: 3.7V rechargeable lithium battery


Working Time:2-3 hours after fully charged Environment Temperature:-20°C ~ +65°C; Relative humility:30% ~ 70%;

3. Working Area

1, Every Examination room

2, Conference room, theater, cinema, music hall etc

3, Prison, jail

4, Gas station, oil station, oil field etc

5, Every place which not allowed to use the mobile phone


5. Easy operation

1. Open the battery rear cover and put the battery correctly.

2. Select the toggle switch and the red indicator is on ( up for buzzer/ down for vibra)

3.Adjust the sensitivity to the max and make sure all the blue indicators are off when there's no interrupt of other signals.

4. The earphone can be used when the toggle switch is up for buzzer.

5. Low power warning: the red indicator at the bottom is on and the unit needs to be recharged.


2G / 3G Portable Mobile Phone Signal Detector EST-101B Buit In Antenna 0

6. Packing list

1. Main unit of the portable cell phone signal detector 1pc

2. Charger 1pc

3. Leather case 1pc

4. Earphone 1pc

5. Lanyard 1pc


2G / 3G Portable Mobile Phone Signal Detector EST-101B Buit In Antenna 1