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Smart Machine Smart DecisionBog'liq SIM800L Smart Machine Smart Decision
SIM800H&SIM800L_Hardware Design_V2.02 12 2015-07-27
Frequency bands
z 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 “AT+CBAND”. For details,
please refer to document [1].
z Compliant to GSM Phase 2/2+
Transmitting power
z Class 4 (2W) at GSM 850 and EGSM 900
z Class 1 (1W) at DCS 1800 and PCS 1900
GPRS connectivity
z GPRS multi-slot class 12（default）
z GPRS multi-slot class 1~12 (option)
Temperature range
z Normal operation:
-40°C ~ +85°C
z Storage temperature -45°C ~ +90°C
Data GPRS
z GPRS data downlink transfer: max. 85.6 kbps
z GPRS data uplink transfer: max. 85.6 kbps
z Coding scheme: CS-1, CS-2, CS-3 and CS-4
z PAP protocol for PPP connect
z Integrate the TCP/IP protocol.
z Support Packet Broadcast Control Channel (PBCCH)
z CSD transmission rates：2.4，4.8，9.6，14.4 kbps
CSD
z Support CSD transmission
USSD
z Unstructured Supplementary Services Data (USSD) support
SMS
z MT, MO, CB, Text and PDU mode
z SMS storage: SIM card
SIM interface
Support SIM card: 1.8V, 3V
External antenna
Antenna pad
Audio features
Speech codec modes:
z Half Rate (ETS 06.20)
z Full Rate (ETS 06.10)
z Enhanced Full Rate (ETS 06.50 / 06.60 / 06.80)
z Adaptive multi rate (AMR)
z Echo Cancellation
z Noise Suppression
Serial port and debug
port
Serial port:
z Default one Full modem serial port
z 1200bps to 460800bps.
z Can be used for AT commands or data stream.
z Support RTS/CTS hardware handshake and software ON/OFF flow control.
z Multiplex ability according to GSM 07.10 Multiplexer Protocol.
z Autobauding supports baud rate from 1200 bps to 115200bps.
z upgrading firmware
Debug port:
z USB_DN and USB_DP
z Can be used for debugging and upgrading firmware.
Phonebook management Support phonebook types: SM, FD, LD, RC, ON, MC.
SIM application toolkit
GSM 11.14 Release 99
Real time clock
Support RTC
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