Designed with SIM900 for global market, SIM900 is a quad-band GSM engine that works on frequencies like GSM 850MHz, EGSM 900MHz, DCS 1800MHz and PCS 1900MHz. SIM900 Key Features
- Power Supply:
- Single supply voltage 3.4V~4.5V
- Power Saving:
- Typical power consumption in SLEEP mode is 1.5Ma (BS-PA-MFRMS=5)
- Frequency Bands:
- SIM900 quad-band: GSM850, EGSM 900, DCS 1800, PCS 1900. The SIM900 can search the 4 frequency bands automatically. Compliant to GSM Phase 2/2+
- GSM Class:
- Transmitting Power:
- Class 4 (2W) at GSM 850 and EGSM 900
- Class 1 (1W) at DCS 1800 and PCS 1900
- Temperature Range:
- Normal operation: -30~80°C
GSM Module Specification
- Number of Quad Band GSM channels per module: 4 GSM
- External antennas: 4 GSM
- SIM Cards: Total 4 GSM (internally accessible)
The 4 GSM modules apply to PLANET's IPX-2100/IPX-2500, IPX-2200, and IPX-2100v2/IPX-2500v2 IP PBX System. Each port has one LED (light-emitting diode), which is assembled on the mainboard.