RS485 GSM Module/ โมเด็ม GSM

The ML8013 is a Quad-band GSM/GPRS engine that works at frequencies GSM850MHz, GSM900MHz, DCS1800MHz andPCS1900MHz. The ML8013 features GPRS multi-slot class 12 and supports the GPRS coding schemes CS-1, CS-2, CS-3 and CS-4.
The ML8013 is integrated with Internet service protocols, which are TCP/UDP, FTP and HTTP.
Extended AT commands have been developed for customer to use these Internet service protocols easily.
Table 1 Module key features
Feature Implementation
Power supply Single supply voltage 6.0V - 24.0V (5.0V Customize)
Frequency bands Quad-band: GSM850, GSM900, DCS1800, PCS1900.
The module can search these frequency bands automatically
The frequency bands can be set by AT command.
Compliant to GSM Phase 2/2+
Transmitting power Class 4 (2W) at GSM850 and GSM900
Class 1 (1W) at DCS1800 and PCS1900
GPRS connectivity GPRS multi-slot class 12 (default)
GPRS multi-slot class 1~12 (configurable)
GPRS mobile station class B
Temperature range Normal operation: -35° C ~ +80° C
Restricted operation: -45° C ~ -35° C and +80° C ~ +85° C 1)
Storage temperature: -45° C ~ +90° C
DATA GPRS:

CSD: GPRS data downlink transfer: Max. 85.6 kbps
GPRS data uplink transfer: Max. 85.6 kbps
Coding scheme: CS-1, CS-2, CS-3 and CS-4
Support the protocols PAP (Password Authentication Protocol)
Usually used for PPP connections
Internet service protocols TCP/UDP/FTP/HTTP
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 and Class 2
SIM interface Port SIM card: 1.8V, 3V, Protected against ESD with a TVS diode array.
RS485 interface Support from 4800 bps to 115200 bps, default auto baud rate
Embed standard AT command(GSM07.05 and 07.07)
Phonebookmanagement Support phonebook types: SM, FD, LD, RC, ON, MC
SIM Application Toolkit Support SAT class 3, GSM 11.14 Release 99
Physical characteristics 58*46*12mm