MDM-300 GSM Monitoring System
 
·         MDM-300 GSM terminal Monitoring System is a set of real field work system for monitoring mobile terminal’s conversation. The system takes advantage of unvarnished transmission techniques to establish the unvarnished transmission connecting line to target mobile so that the content of conversation in target mobile will be monitored.
·         The product is vehicle mounted terminal mode which is flexible in use and easy for operation while the monitoring voice quality is high and the elusiveness is high.
 
 
 
 
l  Small volume, easy for vehicle loading
Since the system has small volume, it is easy for installation on vehicle and it can use vehicle loaded accumulator to supply power in order to satisfy different real working needs in different occasions. It can be fast installed in vehicle and fast to be used.
l  Multiple function and high voice quality
The system can do deaf listening and strict control in covering area, while deaf listening can be done on randomly selected activity mobile signal; and strict control can make control on target suspect through monitoring target suspect’s conversation and saving the conversation content recording.’
The system also can acquire target suspect’s sent and received SMS
l  Easy operation and convenient monitoring
The system is easy for operation through installing correspondent software on notebook to realize operation of system. When monitoring, according to interface points, click correspondent button, real time voice monitoring can be conducted and the operation is easy for understanding.
l  High Allusiveness
The system has little impact on target objective while target objectives’ conversation situation can be grasped at the same time. And at the same time the call request of the target objective can be found out immediately while allowing target objective having normal conversation. At the same time, it has no influence on non-target user.

 
   

Project	Index
Work frequency range	G net: Upper Line 890-915MHz, Down Line 935-960MHz
Number adding speed:	1400 numbers/Min (Max)
Network Testing Time	less than 5 sec
Covering range	200m
Working Mode	Strict control mode/deaf listening mode
Monitoring Line	Line 6 (meanwhile support 6 VS communications)
Built-in power amplifier	10W
Whole Machine power dissipation	120W
Adjustable power level	Level 7
Receiving Sensitivity	-104dBm
Intermodulation attenuation	≤-40dBc
passband fluctuation	≤0.5dB
Input VSWR	≤1.30dB
Output VSWR	≤1.30dB
Open circuit Stray	≤-36dBm
ALC Control Range	≥15dB
ALC spectrum	nill
Antenna directive gain	10dBi
Omni Antenna Gain	7dBi
Power Supply Mode	AC 220/DC 12
Weight	5 KG
Volume	450mm*400mm*90mm
Operation environment	-25℃-55℃
Antenna Interface Speculation	SMA
Storage Temperature	-40~60℃
Working temperature	-30~55℃
Working Humidity	10%~95%

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