Detailed Information:
RS485 GSM/GPRS modem
Product Description
Based on Simcom module SIM900
With TCP/IP stack
850/900/1800/1900MHZ
STK, SMS, data, internet
GSM/GPRS modem
Product description:
General Features
Industrial design
Aluminum casing
Wireless access to internet
Based on SIMCOM module SIM900
With TCP/IP protocol stack
850/900/1800/1900MHZ
Comply with ETSI GSM phase 2+
1.8V-3V SIM card slot
RS485 interface:
PIN 1 for 485+B
PIN 2 for 485 -A
SIM Application Toolkit
Double tone multi-frequency function (DTMF)
Send and receive data, SMS
GPRS Class 10
Antenna with high sensitivity
Always on-line
Output Power
Class 4(2W @ 850/900MHz)
Class 1(1W @ 1800/1900MHz)
Input voltage 7.5V-30V DC
Input current 1A-2A
Standby current: 56mA
Working current: 100-140mA
Working temperature -30 to +75 degrees
Storage temperature:-40 to +85 degrees
Size 85*54*25mm
Weight 110g
Accessories: AC/DC adaptor, RS485 cable, antenna, 2 mounting plates, CD
Specification for Data
GPRS Class 10 max.85.6kbps(downlink
PBCCH support
Coding schemes CS 1,2,3,4
CSD up to 14.4kbps
USSD
Non-transparent mode
Transparent mode
Specification for SMS via GSM/GPRS
Point to point MO and MT
SMS cell broadcast
Text and PDU mode
Specification for Fax
Group 3, class 1
Detailed Specifications:
Place of Origin: China (Mainland)|wirless Modem Type: WCDMA,EDGE|Products Status: Stock|Brand Name: OEM|Type: Wireless|Certification: CE|Transmission Rate: 14.4Kbps|Style: External|Model Number: SIM900|Interface Type: RS485|color: WHITE
