ADRESS:5 ROOM,19/F,DINGCHENGGUOJI,ZHONGHANG ROAD,FUTIAN,SHENZHEN,CN

MOBILE:13128915856

TEL:0086-755-82862800 23056156

FAX:0086-755-23056156

Email:kingsley@kingcomhk.com

QQ:251815824

MSN:kingsley.lau@live.com
============================================================================= SIM840W is a complete Quad-band GSM/GPRS solution in a SMT type which can be embedded in the customer applications.

SIM840W delivers GSM/GPRS 850/900/1800/1900MHz performance for voice, SMS, Data and Fax in a small form factor and with low power consumption. The leading features of SIM840W make it ideal for applications.

General features
•Quad-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 @ 850/900 MHz)
– Class 1 (1 W @ 1800/1900MHz)
•Dimensions: 33* 33 * 3 mm
•Weight: 4 g
•Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)
•Supply voltage range 3.4 ~ 4.5 V
•Low power consumption
•Operation temperature:-40℃~85℃

Specifications for Fax
•Group 3, class 1

Specifications for GPRS Data
•GPRS class 12: max. 85.6 kbps (downlink/uplink)
•PBCCH support
•Coding schemes CS 1, 2, 3, 4
•PPP-stack

Specifications for CSD Data
•CSD up to 14.4 kbps
•USSD
•Non transparent mode

Specifications for SMS via GSM/GPRS
•Point to point MO and MT
•SMS cell broadcast
•Text and PDU mode

Software features
•0710 MUX protocol
•Embedded TCP/UDP protocol

Specifications for voice
•Tricodec
– Half rate (HR)
– Full rate (FR)
– Enhanced Full rate (EFR)
•AMR
– Half rate (HR)
– Full rate (FR)
•Hands-free operation
（Echo suppression）

Interfaces
•68 SMT pads
•Analog audio interface
•RTC backup
•Serial interface
•Interface to external SIM 3V/ 1.8V
•Keypad interface
•LCD interface
•GPIO
•ADC
•Antenna pad

Compatibility
•AT cellular command interface

Certifications:
•FCC
•ROHS
•REACH