1.RS485 GSM/GPRS modem
2.with Simcom SIM900
3.With TCP/IP stack 850/900/1800/1900MHZ
4.STK,internet, data, sms
RS485GSM/GPRS Modem
Model: BY-S900RS
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
3V SIM card slot
DB9 RS485 interface
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 @ 900MHz)
Class 1(1W @ 1800MHz)
Input voltage 7V-36V DC
Input current 1A-2A
Standby current: 56mA
Working current: 100-140mA
Working temperature -40 to degrees
Storage temperature:-50 to 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
PPP stack
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