- Modems[10]
- Wireless Networking Equipment[10]
- Network Cards[5]
- Telecom Parts[1]
- Testing Equipment[1]
- Contact Person : Mr. Lee Star
- Company Name : Shenzhen Baihui Technology Co., Ltd.
- Tel : 86-755-29968171
- Fax : 86-755-29968070
- Address : Guangdong,Shenzhen,2/F, 33 Gonghe Industrial Road, Gongle Industrial Zone, Xixiang Town, Baoan District,
- Country/Region : China
- Zip : 518102
RS485 GSM/GPRS modem SIM900A
RS485 GSM/GPRS modem
Product description
General Features
Industrial design
Aluminum casing
Wireless access to internet
Based on SIMCOM module SIM900A
With TCP/IP protocol stack
900/1800MHZ
Comply with ETSI GSM phase 2+
1.8-3V 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-lineOutput PowerClass 4(2W @ 900MHz)Class 1(1W @ 1800MHz)Input voltage 7V-36V DCInput current 1A-2A
Standby current: 56mA
Working current: 100-140mAWorking temperature -40 to +85 degrees
Storage temperature:-50 to +95 degrees
Size 85*54*25mmWeight 110g
Accessories: AC/DC adaptor, RS232 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
RS485 GSM/GPRS modem SIM900A
