Hayes Microcomputer Products Network Card ASLH306 User Manual

Delta Plus MOBILE II

GSM/GPRS Class 10 with TCP/IP stack modem

Part No: ASLH306

User Guide

DRAFT COPY

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Contents

Guide to the manual

Disclaimer

Trademarks

Introduction

Features

Connecting to your Terminal or Computer

Supplying power to the modem

Battery Powered version.

Antennae.

Subscriber Identity Module card.

Configuring the modem

AT Command set

Sony Ericsson commands

S Registers

Modem result codes

GPRS operation

Remote access feature

Pay as you go SIM support

LED Status

Technical Specifications

Appendices

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Delta Plus MOBILE II GSM/GPRS Class 10

With TCP/IP stack modem

Hardware User Guide

Guide to the manual

This manual contains detailed technical information about the Delta Plus

MOBILE II GSM/GPRS modem, including the commands necessary to

configure and use it in your particular application. If you require further

technical detail on this modem, please call our Technical Support Group.

Disclaimer

This manual has been checked for accuracy. The information included in this

document is pertinent to all versions of the Delta Plus MOBILE II GSM/GPRS

modem at the time of publication. Subsequent products and manuals are

subject to change without prior notification. Therefore ASLH Ltd. will take no

responsibility for damages incurred, either directly or indirectly, from errors,

omissions or inaccuracies between the product and the manual.

written permission of ASLH Ltd. No patent liability is assumed however, with

regard to the use of the information contained herein.

Trademarks

Hayes is a trade mark of Hayes Microcomputer Products Inc.

Introduction

Thank you for purchasing this ASLH Ltd modem, which is guaranteed for one

year from the date of purchase. If, after reading this manual, you have any

problems or queries regarding this modem, please contact ASLH Ltd. from

whom the modem was purchased. In the unlikely event of you needing to

return the modem to us, you must first call our Returns Department, to obtain

a Return Authorisation Number (RAN). This number must be clearly marked

on the outer packaging containing the faulty modem, and addressed for the

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attention of the Returns Department. No goods will be accepted without a

Return Authorisation Number.

Please enclose a copy of your original purchase invoice, to enable us to

determine the warranty status. If no fault is found, a charge will be made to

cover the costs of testing and carriage. Your original or replacement modem

will be returned with an engineering report on the fault found. Thank you for

your co-operation.

The Delta Plus MOBILE II is a new low powered high speed GSM/GPRS

modem which has been specifically designed to meet the requirements of the

telemetry market and specifically applications within the Automatic Meter

Reading (AMR) arena.

The purpose of this manual is to enable the user to set up, configure and use

the modem in a manner suitable for any given application. A basic level of

modems and data communication technology is assumed.

Features

DTE speeds up to 9600 bps

Bearer channel speeds of 9600 bps, 4800 bps, 2400 bps and 1200 bps.

Supports auto-dial and auto-answer on number of rings

NVRAM stores configuration parameters

Suitable for approvals/use in most countries

Interface is a 25 pin D-type RS232 Connector

Power supply input on pins 9 and 15 of 25-way “D” type connector

Auto Shutdown minimises RS-232 Power consumption during periods

of inactivity.

Environment – Temperature : 0-50°C Humidity : 95% non condensing

Enhanced AT command set.

Integrated call progress and dialling.

Advanced power supply handling techniques.

Remote access capability.

Dual Band - ie. E-GSM (900 Mhz) or GSM (1800 Mhz)

GPRS – Mobile Originate and Listen modes. (Class 10)

Internal battery option.

External power option

Connecting to your Terminal or Computer

The 25 way D-type connector on the top of the modem provides the relevant

input and output connections to asynchronous (Serial RS-232 and

compatible) controllers. To establish a connection the modem can be directly

connected to a suitable 25 way socket on your computer or other DTE device,

or a short RS-232 cable can be used. When connecting the modem to the

DTE device, consideration must be given to the power supply arrangements

as most devices will not provide a suitable supply to the modem via the 25

way D-type connector.

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The 25 way D-type connector is wired as follows:

Pin number, name and mnemonic:

Transmit Data

Receive Data

TxD

RxD

RTS

CTS

DSR

Request to Send

Clear to Send

Data Set Ready

Signal Ground/Supply Ground

Data Carrier Detect

Power In

DCD

Power In

Data Terminal Ready

Ring Indicator

DTR

Supplying power to the modem

The Delta Plus MOBILE II GSM/GPRS modem is powered via the RS232

interface connector. Pins 9 and/or 15 require a +7 to +24 Volts DC supply

(issue F. board) Earlier issues of the board require +7 to +15Volts. The

modem consumes 0.3 Watts. (See appendix). The supply to the modem is

floated across internal SuperCaps. These devices hold a considerable charge

and will allow the modem LED’s to continue to function for several minutes

after the removal of the power supply. This enables the modem to be used in

environments where the power supply is either intermittent and/or inadequate

(within reason) for a conventional modem product.

Battery powered version.

The GSM/GPRS modem is also available as a battery powered device. The

battery employed in the modem is a Lithium Ion Polymer type and is subject

to a minimum duty cycle of 1000 operations.

The battery is fitted in addition to the “Super Caps” that are present in

the standard modem and will power the modem for approximately two

minutes after the external supply has been removed. This is regardless of

whether or not the modem is on line. When the modem shuts down it will

issue a “Goodbye” message to the interface.

Additionally the modem can be switched off using an AT command.

The AT+K command will shutdown the entire modem (not just the Sony

Ericsson module as is the case with other ASLH 306 products) within 15

seconds. If the power supply to the modem is not removed within 30 seconds

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of the modem issuing the “Goodbye” message then it will commence its

power up sequence and restart.

The battery powered modem will power up within 5 seconds after the

external supply is applied given that the battery and capacitors are fully

charged and that the modem is operating at room temperature. If the battery

and capacitors are not fully charged and/or the modem is not operating at

room temperature then the power up sequence will take longer.

Antennae.

The Delta Plus MOBILE II GSM/GPRS modem is designed to work with many

industry standard antennae. Connection to the antenna is via a flying lead

terminated with a SMA type co-axial connector. The selection of the most

suitable antenna in any given installation will be dependent upon factors such

as the distance from the cell site, signal strength, power supply levels, and

other physical constraints. ASLH Ltd. will be pleased to assist customers with

the selection of suitable antennae.

Subscriber Identity Module card.

This product requires a suitable Subscriber Identity Module (SIM) card

inserted in the right hand side of the modem. The SIM card is provided by the

network service provider eg. O2, Vodafone, Orange etc. This card must be

data enabled, ie. a voice only SIM will not work. Additionally, if the product is

to be used for GPRS applications then the SIM card must be GPRS enabled.

This mode will be set as either mobile originate or terminate (IP listen)

depending upon the users requirements.

ASLH Ltd. is able to provide network service supplied by the aforementioned

companies.

Configuring the modem

This is achieved by the use of the standard Hayes(™) AT command set as

utilised in conventional land line modems. A comprehensive list of AT

commands used by the Delta Plus MOBILE II GSM/GPRS modem follows.

AT Command set

AT+ commands should be used alone, not concatenated ie AT+Y<cr>

not AT+YS0=1<cr> etc).

AT A

Answer mode enable

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Causes the modem to answer an incoming call.

AT D

Dial Command

Causes the modem to go on line and dial the following telephone number

subject to parameters set in the dial string.

eg: ATDT 12345 123456^m

Where “D” = Dial, “T” = Tone (Compatibility only), ^m = Carriage return.

AT E

Local Echo in command mode.

AT E0 = Local Echo off

AT E1 = Local Echo on

AT H

Hang Up command.

This command causes the modem to disconnect from the telephone line.

AT I

Identifier command.

ATI 0 displays: GR47

ATI 1 displays: CXC1122528

ATI 3 displays: GR47 Cable Modem

ATI 5 displays, for example:

Configuration Settings on Channel 0

&C: 1

&D: 0

*E2IPA: 0

*E2IPO: 0

*E2IPS: 2,10,2,1020

*EENMEA: 0

+CGATT: 1

+CGEREP: 0,0

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+CGREG: 0,1

+CHSR: 0

+CHSU: 0

+CMEE: 0

+CMUX: 0,0,1,31,10,3,30,10,2

+CR: 0

+CRC: 0

+CRLP: 61,61,48,6,0

+CRLP: 120,120,48,6,2,3

+CVHU: 2

+ICF: 3,3

+IFC: 2,2

+ILRR: 0

+IPR: 9600

E: 1

M: 0

Q: 0

S0: 001

S10: 002

S2: 043

S3: 013

S4: 010

S5: 008

S6: 002

S7: 050

S8: 002

V: 1

X: 4

Due to the architecture of the interface circuitry not all of the above

commands will necessarily be displayed each time.

ATI 7 displays: GR47 Profile

Interfaces: System Bus

ATI 9 displays: ($ERI0044\\MODEM\\GR47 Cable Modem0D)

AT O

Return to on line state command

This command returns to modem to the on line data transmission state

following an on line command mode session. ie. it is used to return to data

mode after the +++ escape sequence has been entered.

AT Q

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Quiet mode. Defines whether or not messages generated by the modem are

sent to the DTE.

AT Q0 = Quiet mode off

AT Q1 = Quiet mode on

AT V

Verbose mode enable. Defines whether the above messages are displayed

as readable text or numeric values.

AT V0 = Verbose mode disabled

AT V1 = Verbose mode enabled

AT X

Result codes. These are the messages generated by the modem when

connection or disconnection is attempted.

There are 5 sets of result codes available (numbered 0 - 4). The ATX

command is used to select which result code set to use. The selection of the

result code set, also affects the way the modem detects dial tone and busy

tones.

ATX0 Selects the Basic code set. In this mode dialling will be carried out

regardless of whether a dial tone is detected or not (this is called Blind

Dialling). If successfully connected, the 'CONNECT' message will be returned

from the modem. No indication is made as to the speed the modem is

connected at.

ATX1 - Selects the extended result code set. Connection is as for X0 except

that the modem now indicates the connection speed in the connect message,

e.g.

"CONNECT 300" when connected at 300bps, "CONNECT 1200" when

connected at 1200bps.

ATX2 - Same as ATX1 with the addition of dial tone detection.

ATX3 - Same as ATX1 with the addition of busy tone detection.

ATX4 - Same as ATX1 with addition of dial tone and busy tone detection.

These commands are for compatibility only.

AT Z

Modem Reset

Resets the modem without changing any parameters

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AT &C

Carrier control. This parameter defines the operation of pin 8 (DCD) of the

RS 232C interface.

AT &C0 = Always on

AT &C1 = Fixed to this setting – Carrier goes high when on line.

AT &C3 = Off in command mode – On when modem on line

For compatibility only. ie modem will respond with OK but not take any action.

AT &D

Data Terminal Ready options

This command controls the handling of the DTR line. (Pin 20).

AT&D0 - DTR state is ignored and no action is taken. This is the equivalent of

holding DTR permanently active (high).

AT&D1 - Returns the modem to command mode on loss of DTR. This is the

same as issuing the +++ escape sequence, i.e. the modem will go into

command mode, but will not drop the line.

AT&D2 - Prevents the modem from originating or answering a call unless

DTR is raised by the DTE, and if the modem is online when DTR drops, the

call will be disconnected.

AT &F

Restore Factory Configuration

Configures the modem to factory default settings

(Does not default AT+ autosave commands).

AT&V

This command shows the general set up of the modem. Displays, for example

(Version 3.03 firmware):

at&Ve?v?q?x?&c?&d?s0?s2?s3?+cbst?

306 v3.03 S1 1200N G0 P0

E: 1

V: 1

Q: 0

X: 4

&C: 1

&D: 0

001 (S reg. 1)

043 (S reg. 2)

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013

+CBST: 0,0,1

(On earlier versions of the modem, pre version 2.08 firmware, less information

is displayed when this command is issued).

Due to the architecture of the interface circuitry not all of the above

commands will necessarily be displayed each time.

Issue 3 Hardware:

This displays additional S and P status:

S displays the status of the interface ie.

S0 - The interface is set for sleep mode.

S1 - The interface is permanently on – default.

(Set using AT+A auto shutdown command).

P displays the modem power consumption.

P0 - The modem is set for low power consumption.

P1 - The modem is set for high power consumption.

(Set using AT+P command).

AT &W

Write configuration to non-volatile RAM.

N.B. – AT+ commands are autosave and therefore execution of this command

is not necessary to save these to memory.

Re-execute last command.

+++ - TIES (Time Independent Escape Sequence) – When issued to the

modem in an “on line” state this command will place the modem into “on line”

command mode.

*** - Remote Access command. – When this command is issued from a

remotely connected modem it will enable the remote user to interrogate and

configure the ASLH306 device.

AT+A RS232 auto shutdown control - toggles on / off

It echoes:

AT+A if auto-shutdown is on (ie RS232 in sleep mode).

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AT+a if auto-shutdown is off (ie RS232 on all the time).

(Autosave)

AT+Gn

AT+G0 - turns off GPRS mode.

AT+G1 - turns on GPRS mode and selects the APN.

(Autosave)

AT+I reports ASLH 306 firmware version number, RS232 auto off state (1 =

always on), baud rate, N or E for parity. (F/W dependent)

AT+K Turns Sony Ericsson(™) module off. (Up to F/W version 2.11).

Version 2.12 onwards turns off the complete modem.

AT+O Turns Sony Ericsson(™) module on. (Assuming modem is turned on).

The AT+0 command is no longer implemented ie No turning on of the Sony

Ericsson module on issue 3 hardware boards.

AT+P Power Consumption control. This command allows the modem to be

set for either low or high power consumption. (P0 = low, P1 = high). P0 should

be used when the DTE is unable to supply high current. P1 should be used

when the DTE power supply current rating is not an issue.

AT+R Resets modem. (Up to F/W version 3.01).

Version 3.02 onwards causes the modem to execute a 10 second power

cycle.

AT+S Displays Signal Strength, toggles on / off (default off).

Remote AT+S reports last known Signal Strength.

From firmware version 3.02 the sample rate of the signal strength algorithm is

increased.

AT+T Commands modem to dial a stored number held in “ME” memory

location.

AT+n Set baud rate / parity. This is automatically saved.

When set to no parity, the Sony Ericsson(™) module will still respond to AT

commands with even parity.

AT+0 9600 N81

AT+1 9600 E71

AT+2 4800 N81

AT+3 4800 E71

AT+4 2400 N81

AT+5 2400 E71

AT+6 1200 N81

AT+7 1200 E71

(Autosave)

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Sony Ericsson commands

GPRS related:

===========

AT+CDGCONT Define PDP Context.

AT+CDGCONT = n,"IP","APN address"

AT*ENAD Ericsson Internet Account Define.

AT*ENAD = n,"GPRS","username","password",1,0

PAYG SIM related:

==============

AT+CPBS Phone Book Store

AT+CPBS=”ME” (Use “ME” memory location).

AT+CPBW Phone Book Write

AT+CPBW=n,”phone number”,number system,”text”

(See PAYG support section).

AT+CPBR Phone Book Read

AT+CPBR=n (Where n is the “ME” memory location).

Remote Access related:

==================

To interrogate the modem to check if Remote Access is enabled:

at*e2apc?

Response: *E2APC: 0,0,0,0 (Not enabled)

To enable Remote Access:

Issue two commands to modem (306)

at*e2apd=3,0

at*e2apc=1,1

Write configuration change to NVRAM:

AT&W

Interrogate modem:

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at*e2apc?

Response: *E2APC: 0,1,0,0

Power cycle the modem.

Interrogate modem:

at*e2apc?

Response: *E2APC: 1,1,0,0 (Remote Access enabled)

General

======

AT+CGMR

This command will cause the Sony Ericsson module to display its

type/version.

Response: R6A023 CXC1122528 (Example).

AT+CBST?

This command gives information regarding the cellular network bearer

channel.

Response: 0,0,1 (Autobaud rate, Asynchronous, Non transparent).

S Registers:

S0= Number of rings to answer.

S2= Escape sequence character

S3= CR character

Range 0-7 (Default 0 – No answer)

Range 0-255 (Default 43 = +)

Range 0-127 (Default 13 - Cntrl M)

Range 0-127 (Default 10 - Cntrl J)

Range 0-127 (Default 8 -Backspace)

Range 2-255 (Default 2 – 2 secs)*

Range 1-255 (Default 50 – 50 secs)

Range 1-255 (Default 2 – 2 secs)*

Range 1-254 (Default 2 – 0.2 secs)*

S4= LF character

S5= Back space character

S6= Wait before blind dialling

S7= Wait for carrier

S8= Comma Pause time

S10= Carrier loss to hang up time

* Compatibility only

Modem result codes:

Numeric

Verbose

Legend

Command line executed without errors.

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CONNECT

RING

NO CARRIER

ERROR

NO DIAL TONE

BUSY

NO ANSWER

Connection.

Ringing signal detected.

Carrier lost or never present.

Invalid Command.

No dial tone detected.

Busy signal detected.

No answer from remote modem.

GPRS operation

The three main commands used to set up a GPRS call with the Delta Plus

MOBILE II GSM/GPRS modem in listening mode are as follows:

AT+Gn, where n = 0 to 9

AT+G0 - turns off GPRS mode

AT+G1-9 turns on GPRS mode and auto connects using context 1-9 then

listens for a port 23 connection.

If AT+Gn is on ( ie n = 1-9 ) then it will restart if the connection fails, also at

power up. To set contexts (n = 1-9) in the following two commands:

AT+CDGCONT = n,”IP”,"Enter access point name (APN) address here"

AT*ENAD = n,"GPRS","username","password",1,0

To escape from TCP/IP listening mode when a session is not connected issue

a Ctrl C.

This can take several minutes to “detach” from the network and will set

AT+G0 until +G is changed or a reset or a power cycle is invoked. This will set

the modem back into auto mode.

Firmware version 2.10 and above:

Additional GPRS watchdogs have been added to the modem in order to

negate network fail conditions, these ensure that the unit continually re-tries to

connect in GPRS mode if a call failure is detected.

Timeouts:

Typically these are –

Online GPRS inactivity timeout of 4m 16s (256 seconds) - covers failure mid

session

User exit from GPRS mode (Ctrl C) times out & GPRS restarts after 1m 42

secs unless the AT+G command is used.

Fail safe timeout restarts every 3h 37.6 minutes if unit is offline. Covers

random GPRS network failures!

Lack of Signal/Signal Quality (SQ) timeout is 45 minutes.

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Remote Access

The ASLH 306 modem has the ability to be remotely accessed for both testing

and configuration purposes. This is achieved as follows:

1. Establish a normal dial up connection to the ASLH 306 modem.

2. Issue the “***” command to the modem from the remote modem.

3. The ASLH 306 will respond with an OK.

4. You are now connected to the remote 306 PIC interface.

5. If access to the Sony Ericsson module is required issue the AT+Z

command

to the remote modem.

6. The ASLH 306 will respond with:

7. Drop the dial up connection.

8. Re-establish the dial up connection again within 60 seconds.

9. You are now in communication with the Sony Ericsson module

within the ASLH 306 modem.

10.Only AT commands proprietary to the Sony Ericsson module can now

be used.

11.There is no method of returning to on-line mode following a remote

access session and therefore the call must be terminated and a new

call initiated.

Please note that the remote access feature only works when the modem

interface is set for 8 data bits, no parity and 1 stop bit.

Pay As You Go (PAYG) SIM Support

This feature has been included as part of the solution to the requirement for

the use of Pay As You Go SIM’s. PAYG SIM use demands that at least one

phone call is originated from the number in a six month period in order to keep

the service live. The meters used by the Electricity supply industry typically

have no inherent intelligence, and therefore do not have the ability to originate

a call to satisfy this requirement. This situation can be circumvented by use of

a central site server designed to call the modems on a cyclical basis and

instruct them to call into a pre-defined server number, which can be verified

by the use of the CLI issued by the network provider. To this end the

execution of the AT+T command causes the modem to dial an internally

stored number automatically. This command can be executed both locally or

remotely, ie. via the modem RS 232C interface or from a remotely connected

modem. Once a connection has been established with the 306 modem the ***

command is issued from the remote modem causing the 306 to enter online

command mode whereupon the AT+T command can be issued.

Activate locally or remotely with:

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at+t

Modem will then dial number in ME memory 1 (see below).

To store a number:

1/. Set memory to internal memory (not SIM):

at+cpbs="ME" (Phone Book Store command)

2/. Add number:

Text at end can be any characters. Use number system 145 for international

type numbering, or 129 for UK type numbering (see example below).

at+cpbw=1,"441339755397",145,"Top-up" (Phone Book Write command)

3/. Save!

at&w

4/. To read it back, if you wish!

at+cpbr=1 (Phone Book Read command)

+CPBR: 1,"441339755397",145,"Top-up"

5/. To use manually:

atd>ME1

CONNECT 9600

The quick brown fox jumps over the lazy dog. (Data)

NO CARRIER

6/. UK numbering example:

at+cpbw=1,"01339755081",129,"Home"

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LED Status (GSM Mode) Version 2.02 & 2.05

Red LED:

Off for module off.

On when unregistered with network.

Flashes when registered with network.

Green LED:

Slow flash is off line.

Fast flash is on line.

Yellow LED:

Off / Slow flash / On - with increasing signal level.

LED Status (GPRS Mode) Version 2.08 and above

When listening in GPRS you can identify the status of the unit :

Red LED:

Off for module off.

On when unregistered with network.

Flashes when registered with network.

Green LED:

Slow flash is off line.

Fast flash is on line. - not as fast as GSM online state, but faster

than in GSM offline state. Fast flash when not registered – low

supply voltage.

Very fast flash (Pulsing) – Full auto reset following loss of

network.

Yellow LED:

Off / Slow flash / On - with increasing signal level.

Short flash to indicate the difference between no SQ yet found

during initialisation and off indicating low Signal Quality.

On issue 3 hardware boards Signal Quality LED sensitivity now

set down to 10. (Was 12).

Technical Specifications

Configuration and Rates

9600 bps, 4800 bps, 2400 bps, 1200 bps.

Data Format

10 bit character length including parity, start and stop bits.

1 start bit.

7 or 8 data bits.

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0 or 1 parity bit.

Modem Operation

Controlled by AT commands and supporting S registers.

Data Modulation.

V22 - 1200 bps

V22bis - 2400 bps

V32 2400 – 9600 bps

V110 2400 – 56000 bps

Fax Group 3, Class 1 & 2

HSCSD (2+1), up to 28.8 kbps

GPRS Class B (4+1), up to 85.6 kbps

Equipment Interface

CCITT V.24/V.28

GPRS – Mobile Originate and Listen modes. (Class 10)

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Appendices

Appendix 1 Hardware and software compatibility

Appendix 2

Appendix 3 Power supply requirements

Appendix 4 Glossary

Appendix 5 Conversion tables

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Appendix 1

Hardware and software compatibility

ASLH306 Firmware revision chart V4.0b

2.11 /

2.12

F/W Version

10.69

2.01

2.02

2.05

2.08

2.10

3.01

3.03

3.10

3.11

Sony Ericsson Module

PIC version

R5B003

4220

R5B003

4220

R5B003

4220

R5B003

4220

R5B003

4320

R5B003

4320

R6A023

4320

R5B003

4320

R6A023

4320

R6A023

4320

R6A023

4260

R6A023

4260

PCB version

GSM

Yes

GPRS Originate

GPRS Terminate (Listen)

Remote Access

Yes

Remote access to Sony module

Battery

External Power Lead

High Power

Yes

Revised SQ display

Pay as you Go call back

Short Message Service

Remote config (Firmware)

OWP supported

Yes

Network Watch Dog

Network Watchdog inc power cycle

Yes

NIE

evaluation

units only

Released

23/7

Not

Released

Release Status