SIM340 Hardware Design
2.1 SIM340 key features
Table
3
: SIM340 key features
Feature
Implementation
Power supply
Single supply voltage 3.4V – 4.5V
Power saving
Typical power consumption in SLEEP mode to 2.5mA
( BS-PA-MFRMS=5 )
Frequency Bands
SIM340 Quad-band: GSM 850, EGSM 900, DCS 1800, PCS 1900.
The SIM340 can search the 4 frequency bands automatically. The
frequency bands also can be set by AT command.
Compliant to GSM Phase 2/2+
GSM class
Small MS
Transmitting power
Class 4 (2W) at GSM 850 and EGSM 900
Class 1 (1W) at DCS 1800 and PCS 1900
GPRS connectivity
GPRS multi-slot class 10
（
default
）
GPRS multi-slot class 8 (option)
GPRS mobile station class B
Temperature range
Normal operation:
-20°C to +60°C
Restricted operation: -30°C to -20°C and +60°C to +80°C
(1)
Storage temperature -40°C to +85°C
DATA
GPRS:
CSD:
GPRS data downlink transfer: max. 85.6 kbps
GPRS data uplink transfer: max. 42.8 kbps
Coding scheme: CS-1, CS-2, CS-3 and CS-4
SIM340 supports the protocols PAP (Password Authentication
Protocol) usually used for PPP connections.
The SIM340 integrates the TCP/IP protocol.
Support Packet Switched Broadcast Control Channel (PBCCH)
CSD transmission rates: 2.4, 4.8, 9.6, 14.4 kbps, non-transparent
Unstructured Supplementary Services Data (USSD) support
SMS
MT, MO, CB, Text and PDU mode
SMS storage: SIM card
FAX
Group 3 Class 1
SIM interface
Support SIM card: 1.8V, 3V
External antenna
Connected via 50 Ohm antenna connector or antenna pad
Audio features
Speech codec modes:
Half Rate (ETS 06.20)
Full Rate (ETS 06.10)
Enhanced Full Rate (ETS 06.50 / 06.60 / 06.80)
Echo Cancellation
Serial port and
Serial Port: Seven lines on Serial Port Interface
SIM340_HD_V3.09
18.03.2009
14
