Limited operating temperature: -40°C ~ -30°C and +80°C ~ +85°C
Working voltage 3.5V-4.2V
Boot voltage >3.5V
Current consumption in SLEEP mode: 0.9mA
Quad-band: GSM850, EGSM 900 and DCS 1800, PCS1900 can automatically search for four frequency bands. l Compliant with GSM Phase 2 / 2+ l GPRS Class 10
Sensitivity: <-107
Support voice calls
Support SMS SMS
Support mobile and Unicom 2G, as well as global GSM network
GPRS data characteristics, maximum data rate, download 85.6Kbps, upload 42.8Kbps
Supports serial port multiplexing function in accordance with GSM 07.10 protocol
Support 2 serial ports, one download serial port, one AT command port
AT commands support standard AT and TCP/IP command interfaces
Supports digital audio and analog audio, supports HR, FR, EFR, AMR voice coding
Support FCC, CE certification
Advantage:
Wide-area coverage: GPRS is the global standard for 2G communication. Basically, where the mobile phone can make a call, you can access the Internet via GPRS wirelessly;
Always online: As long as the GPRS application is activated, it will remain online, similar to the wireless private line network service.
Billing by volume: Although the GPRS service remains online, you don't have to worry about the cost, it is only billed when traffic is generated.
High-speed transmission: At present, GPRS can support a peak transmission rate of 85.6 Kbps, and the theoretical peak transmission can reach more than 100 Kbps.
Cheap price: only half of the price of the SIM series module. Greatly reduced the barrier to entry for IoT devices.
Use:
Suitable for automotive, industrial and PDA, personal tracking, power environment detection, wireless POS, smart metering and other M2M applications, providing comprehensive GSM / GPRS SMS, data transmission and voice services.
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