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OTP-GSM68 GSM Multi function Telephone Land line monitor and tracker

GSM Listening device



1.Up to street level GSM cell ID tracking, with Google link dirrect web brousure.

2.Voice active monitoring with super mini dimension.

3.Live land line monitoring when detect any call in/out and will call your master phone(Available for OTP-GSM68s)

4.Built in adjustable sensitivity voice active microphone

5.Built in High sensitivity monitoring amplifier microphone

6.Built in phone number filter function, other phone will not allowed to monitoring

7.Can used SMS to set active or deactivate sound active mode

8.Built in 3G-Sensor shock alert active function, will call and send SMS when detect shock alert

9.Easy to operate, just install SIM card and SMS setting for all function modes

10.Built in earphone jack, allowed to communicate as spy device

11.Built in rechargeable polymer Lion battery, with capacity up to 330mA and standby time up to 165Hours

12.Built in charger circuit allowed using in charge mode




GSM Frequencies
GSM 850/ 900/1800 /1900 MHz
Voice sensitive
Standby current/time
2mAh/ 165Hours
Working current/ time
Phone line detection circuit
Digital detect
MIC sensitivity
4 sensitivity voice filter
Control mode
SMS control
3.7V  330mA
Charger power
DC5V  500mA


Product structure:


User's Manual Download :