SIM800 Series AT Command Manual

General Notes SIMCom offers this information as a service to its customers, to support application and engineering efforts that use the products designed by SIMCom. The information provided is based upon requirements specifically provided to SIMCom by the customers. SIMCom has not undertaken a

SIM800 Series AT Command Manual

文件：3.20006 Mbytes Page：380 Pages

保护变压器

GSM/GPRS

Hardware_Design_V1.02

SIM800C will be powered off in the following situations：  Normal power off procedure: power off SIM800C by the PWRKEY pin.  Normal power off procedure: power off SIM800C by AT command “AT+CPOWD=1”.  Abnormal power off: over-voltage or under-voltage automatic power off.  Abnormal power off:

Dual-band 850/900/1800/1900MHz

General features •Dual-band 850/900/1800/1900MHz •GPRS multi-slot class 12/10 •GPRS mobile station class B •Compliant to GSM phase 2/2+ –Class 4 (2 W @850/900MHz) –Class 1 (1 W @1800/1900MHz) •Dimensions: 24*24*3mm •Weight: 3.1g •Control via AT commands (3GPP TS 27.007, 27.005 and SIMCom

Hardware Design_V2.02

Power supply - 3.4V ~4.4V Power saving - Typical power consumption in sleep mode is 1.04mA (BS_PA_MFRMS=9 ) Frequency bands - Quad-band: GSM 850, EGSM 900, DCS 1800, PCS 1900. SIM800H&SIM800L can search the 4 frequency bands automatically. The frequency bands can also be set by AT command “

Hardware Design_V2.02

Power supply - 3.4V ~4.4V Power saving - Typical power consumption in sleep mode is 1.04mA (BS_PA_MFRMS=9 ) Frequency bands - Quad-band: GSM 850, EGSM 900, DCS 1800, PCS 1900. SIM800H&SIM800L can search the 4 frequency bands automatically. The frequency bands can also be set by AT command “

无源混频器

Hardware Design V1.02

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Dual-band 850/900/1800/1900MHz

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Single, Dual, Triple Output DC/DC Converter

DESCRIPTIONS The 800 series is family of miniature, high performance and high reliability DC/DC converters. The 800 series operates over 2:1 input voltage ranges of 9 to 18, 18 to 36 or 36 to 72VDC; providing single, dual and triple output combinations of 5, 12, 15, ±5, ±12, ±15, 5/±12 and 5/±15

RECTIFIERS ASSEMBLIES THREE PHASE BRIDGES, 20-40 AMP, STANDARD HIGH EFFICIENCY, ESP

• Current ratings to 40 A • VRRM to 150 V • Only fused-in-glass diodes used • 150 °C junction temperature • Recovery time : 25 nS • Surge ratings to 250 A • Electrically isolated Aluminum case • MIL-PRF-19500 Similarity • SN/Pb terminations

Panel Mount, Shocksafe 6.3x32mm Fuses

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Panel Mount, Shocksafe 6.3x32mm Fuses

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INTERCONNECTS .100??Grid (.030??dia.) Low Profile Headers & Versatile Sockets Single and Double Row

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