4) Employ Industrial module [Sim300( Tri-band 900/1800/1900Mhz),Sim340 (Quadband
850/900/1800/1900Mhz) or Wavecom Q2303A,Q2403A(Dual band 900/1800Mhz)] to make
5) Can adjust dial interval from 0.5sec to 9 secs 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
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)
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
Transmitting power<3W
AC-Adapter interface: INPUT: AC 110~240V
OUTPUT: 5V 7A
4,Operation Circumstance:
Operation temperature: -10c~60C
Storage temperature:-20C~70C
Operation humidity:45%-95%
Atmosphere pressure:86-106Kpa
Environment noise: <60DB
Transmitting Power:2W
Sensitivity: <-104dbm
Antenna Amplifying: >1.5db
Dialing frequency: 450Hz
