3
2),
Rear side
has1pcs SMA antenna connectors, 2 RJ-11 output, Power port and switch;
3),
Front side with 3m cable antennas
, this only for display picture, in installation, antenna
must be put beyond 1.5m from terminal. Can’t be mounted on the terminal, otherwise noise will
be made;
4),
Bottom side
has 1pcs SIM card holder slots, you can insert SIM card into the slot.
2, Features:
1) It is a 1 channel GSM Gateway which has 2 RJ-11 interfaces for extensions;
2) It can connect with ordinary telephone sets, PBX , VOIP Gateway, Billing meter Alarm system
etc. ;
3) Dialing tone frequency:450 HZ;
4) Employs Industrial module [Sim300( Tri-band 900/1800/1900MHz), Sim340 (Quad band
850/900/1800/1900MHz) or Wavecom Q2303A,Q2403A,SIM300W(Dual band 900/1800MHz)]
to make;
5) Can adjust dial interval from 0.5sec to 9 sec by setting up from telephone set;
6) Can adjust voice volume by setting up from telephone set;
7) SIM card supported (1.8V, 3V);
8) Caller ID display, own ID hides (optional);
9) DTMF Dialing;
10) Bell signal;
11) Polarity reversal;
12) The RJ-11 socket which connect the phone or billing system for metering purpose;
13) Antenna socket (SMA);
14) IP Presetting;
15) Working status and Signal Strength by LED indicator;
16) IMEI Change (optional).
17)Back-up Li-ion battery( Optional) 7.2V 1300MA.
18)Standby time:24hrs, Talking time: 2.5hrs.
3,Technical Specifications
Air interface standard: GSM850/1900Mhz,900/1,800Mhz phase 2+ full band
Frequency ranges:
A) GSM 850 GSM 1900:
I) Transmission: 869.2 ~ 893.8MHz I) Transmission: 1, 930 ~ 1, 990MHz
Ii) Reception: 824.2 ~ 848.2MHz Ii) Reception: 1, 850 ~ 1, 910MHz
B) GSM 900: GSM 1800:
I) Transmission: 890 ~ 915MHz I) Transmission: 1, 710 ~ 1, 785MHz
Ii) Reception: 935 ~ 960MHz Ii) Reception: 1, 805 ~ 1, 880MHz
Phone interface: supply RJ-11 Phone Interface
Hanging voltage: 45V
Picking off voltage: 30mA / 41mA
Dialing tone Frequency: 450Hz
Antenna interface: Antenna amplifying>2.5db
Sensitivity:<-104DBM
