Detailed Introduce：
. Single supply voltage 3.4V – 4.5V
. Quad-band: GSM850，GSM 900, DCS 1800, PCS 1900
. Compliant to GSM Phase 2/2+
. GMSK:
- Class 4 (2W)@GSM850/GSM900
- Class 1 (1W)@DCS1800/PCS1900
. 8PSK:
- Class E2 (0.5W)@GSM850/GSM900
- Class E2 (0.4W)@DCS1800/PCS1900
. Multi-slot class 12
. Coding scheme: CS1~4
. Mobile station class B
. Modulation and coding scheme: MCS1~9
. CSD: up to 9.6kbps, support non-transparent and transparent mode
. GPRS: downlink max: 85.6kbps; uplink max: 85.6kbps
. EDGE: downlink max: 236.8kbps; uplink max: 236.8kbps
. Coding scheme: CS1~4, MCS1~9
. Support PBCCH
. Support USSD
. TCP/IP protocol stack :Access by AT commands Temperature range
. Normal operation: -20°C to +75°C
. Restricted operation: -30°C to -20°C and +75°C to +80°C (1)
. Storage temperature -40°C to +85°C
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