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Smart Machine Smart Decision
SIM900-DS_Hardware Design_V1.00
9
2013-01-20
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 10
(
default
)
z
GPRS multi-slot class 8 (option)
Temperature range
z
Normal operation:
-30°C ~ +80°C
z
Restricted operation: -40°C ~ -30°C and +80 °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. 42.8 kbps
z
Coding scheme: CS-1, CS-2, CS-3 and CS-4
z
Integrate the TCP/IP protocol.
z
Support Packet Broadcast Control Channel (PBCCH)
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
FAX
Group 3 Class 1
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
Full modem interface with status and control lines, unbalanced,
asynchronous.
z
600bps 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 600bps to 115200bps.
Debug port:
z
Null modem interface DBG_TXD and DBG_RXD.
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
Physical characteristics
Size: 24*24*3mm
Weight: 3.4g
Firmware upgrade
Firmware upgradeable by debug port.
*
SIM900-DS does work at this temperature, but some radio frequency characteristics may deviate from the GSM specification.
Содержание SIMCom SIM900-DS
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