GR47 RS232 modem

Specifications

 GSM Module GR47

Features
Dual-band GSM / GPRS module
Executive ETSI GSM Phase 2 + standard
Class 4 (2W @ 900MHz)
Class 1 (1W @ 1800/1900MHz)
External 3V/5V SIM

Power Supply
3,6 VDC 1A
Communication mean 300mA (0% DTX, Pmax)
3,5 mA when idle
External dimensions: 58X32X6mm
Weight: 20g (including shielding)

Short Message Service
Point to point MT & MO
SMS Cell Broadcast
Reply call information
Additional Services
Call Transfer
Conference call
Call restrictions
Phone Book
Fixed number to call
Call waiting or hold
Call Line Certification
Billing
Infrared data transfer SIM
Echo cancellation
SIM Toolkit
SIM lock
USSD

The module supports the following SMS services

The GR47/GR48 offers the capability of MO and MT voice calls

GSM Module GR47

The module supports the following SMS services:

· Sending: MO, both PDU and Text mode supported.

· Receiving: MT, both PDU and Text mode supported.

· CBM is a service, in which a message is sent to all subscribers

located in one or more specific cell(s) in the GSM network, for

example, cell location information.

· SMS STATUS REPORT according to GSM 03.40.

The maximum length of an SMS message is 160 characters when

using 7-bit encoding. For 8-bit data, the maximum length is 140

characters.

The module supports upto 6 concatenated messages to extend this

function.

The GR47/GR48 offers the capability of MO and MT voice calls, as

well as supporting emergency calls. In addition to this multiparty, call

waiting and call deflection features are available. Some of these

features are operator specific.

The module offers normal analogue input/output lines, analogue audio

input/ output lines in differential modes, and digital audio interface,

with the possibility of accessing internal points within the digital

audio lines. Moreover, the GR47/GR48 have an embedded echo

canceller and noise suppression, which provide high quality audio.

The module supports HR, FR and EFR voice coding, provided that

EFR is available in the network.