Perfect 32 Sim Cards And 8 Channels Gsm Fwt With Imei Change

Features of Perfect 32 SIM Cards And 8 Channels GSM FWT With IMEI Change:
1.Dialling tone frequency: 450hz
2.Employ Industrial module (sim340) to make
3.SIM card supported (1.8V, 3V)
4.Caller ID display
5.DTMF Dialling
6.Bell signal
7.Polarity reversal
The RJ-11 socket which connect the phone or billing system for metering purpose
8.Antenna socket (SMA)
9.IP Presetting.
10.Working status indicator
11.Signal Strength indicator

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
Dialling tone Frequency: 450Hz
Antenna interface: Antenna amplifying>1.5db
Sensitivity:<-104DBM
Transmitting power:<3W
Adapter interface:INPUT:AC 175~260V
OUTPUT:+12V/1000MA
Operation temperature: -10c~60C
Storage temperature: -20C~70C
Operation humidity: 45%-95%
Atmosphere pressure: 86-106Kpa
Environment noise: <60DB
Transmitting Power: 2W
Sensitivity: <-104dbm