effective communication through innovation
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| Cellular Modems | Ethernet Modems | Radio Modems & Modules | Remote Sensors |
| Remote I/O | Dataloggers | Remote Controllers & Alerting | M2M & Telemetry |
| Downloads | ||
| Battery Life Calculator | Click here to download MS Excel file. | |
| Legislation and Directives | ||
Title |
Number
|
Description |
 RoHS Directive |
2002/95/EC |
 Restriction of certain Hazardous Substances in Electrical & Electronic Equipments |
| WEEE Directive | 2002/96/EC |
Waste Electrical and Electronic Equipments Directive |
 CE Marking Directive |
93/68/EEC |
CE Marking Directive |
 CE Marking Directive Non Harmonised Frequency |
93/68/EEC |
CE Marking Directive – Non Harmonised Frequency Marking |
| EMC | 89/336/EEC |
Electromagnetic Compatibility |
| RTTE Directive | 1999/5/EC |
Radio and Telecommunications Terminal Equipment |
| LVD | 73/23/EEC |
Low Voltage Directive |
 ATEX Directive |
1999/92/EC |
ATmosphere Explosives |
| Technologies | ||
| GSM & GPRS | Understanding GSM and GPRS Technology | |
| TCP/IP | Benefits of IEC TCP/IP Technology | |
| Internet & Wireless Communication Standards, Organisations and Forums | ||
| 3G | Web site is dedicated to commercial Third-Generation (3G) wireless applications, services and devices | |
| ASN1 | Information Site | |
| ATM | Forum | |
| ETSI | European Telecommunications Standards Institute | |
| Frame Relay | Forum | |
| GSM | GSM World | |
| GPRS | GPRS Explained | |
| IETF | Internet Engineering Task Force | |
| IMTC | International Multimedia Teleconferencing Consortium | |
| ITU | Internation Telecommunication Union | |
| IPv6 | Forum | |
| ISO | International Standards Organization | |
| LPRA | Low Power Radio Association | |
| OMG | Object Management Group | |
| Open Group | ||
| W3C | World Wide Web Consortium | |
| UMTS | UMTS Explained | |
| e-Zines and Technical Sites | ||
| 3COM | Technologies white papers and information on technologies and protocols | |
| a2b Automation | A leading automation company with dedicated products for control, monitoring, retrieval and information solutions. | |
| a2b Communication UK | Providing advanced wireless and internet solutions, mobile data communication, remote data management, wirefree remote monitoring and remote control systems. | |
| a2b Wireless | Dedicated in license-free exempt wireless communcation and cellular technology. | |
| Access to Ethernet | (IEEE 802.3) Information | |
| ADSL Forum | ||
| Bluetooth | Getting past the rhetoric | |
| Bluetooth | The original and definitive internet guide to Bluetooth technology | |
| OSS | The answer to your ASN.1 problems | |
| C7.COM | SS7/C7 portal with resources and discussion forum | |
| CDMA | Development Group | |
| Chesapeake | Computer Consultants | |
| Computer Networking | Internet Protocols excellent resource for IP protocols. | |
| Educational Webtorials | Voice over Frame Relay, IP, ATM tutorials | |
| Federal Standard | 1037C Glossary of Telecommunication Terms | |
| Frame Relay | Tutorials | |
| FusionFinder | ||
| GPRS Modem UK | Offering GSM, GPRS CDMA, DCS PCS OEM Modem, Module, Controllers and Pager Switch Receiver for every sector in the industry. | |
| HN Networks | Data Communications and Telecommunications training in UK | |
| IP xStream | News about IP Telephony | |
| International Engineering Consortium | (IEC)Tutorials | |
| Internet resources | For the network professional | |
| MultiProtocol | Label Switching | |
| Performance Technologies | SS7 Tutorial | |
| OFTP | Odette File Transfer Protocol (French) | |
| PeSIT | Protocol for the Banking Profession (French) | |
| RAD Networks | Tutorial | |
| TCP/IP | Tutorial and Technical Overview | |
| ITpapers | Technology Guides for IT Professionals | |
| TeleChoice | xDSL.com | |
| Voice over IP | Resource page | |
| VPN | Virtual Private network | |
| The UMTS Site | ||
| The SIP Center | ||
| America's Network | ||
| Data Communications | ||
| Internet Week | ||
| Network Magazine | ||
| Network World | ||
| Tele.com | ||
| References and Link Sites | ||
| Bitpipe | In-depth IP information reference | |
| CrossTouch | Telecommunications links and courses | |
| Dan Kegel's | ISDN Page | |
| IANA | Internet Assigned Numbers Authority. Many unique parameters and protocol values necessary for operation of the Internet and its future development. | |
| InterOperability | Lab Training | |
| ITtoolbox | Networking Content, community, and service for Networking professionals (technical discussion, job postings, an integrated directory, news, and more). | |
| ITPRC | Information technology professional's resource center | |
| LIDO TeleCom WebCentral | Telecommunications links throughout the Internet | |
| LinuxTelephony | Bridging the linux and telephony paths. | |
| Logtel | A useful site for technical courses and seminars. | |
| Network Design and Research Center | Glossary of networking terms | |
| Network Cabling | Help | |
| Micom | Glossary of networking terms | |
| MCSE Place | ||
| PC Webopaedia | ||
| Physical Connectors | (cables) | |
| Protocol Testing | An annotated index for communication protocol testing | |
| Saint Roch Tree | Networking links | |
| Source for analysis | Of the wireless economy | |
| TechFest | links throughout the Internet on networking | |
| Tek-Tips Forums | Technical work forums for computer professionals | |
| Technology Books | Bookstore with technology and networking books. | |
| Tolly Switch Central | Articles and information about switches. | |
| SS7 Applications | ||
| Telogy | VoIP information | |
| Glosarries | ||
| GSM Acronyms and Glossary | Click here to access page. | |
| TCP/IP Glossary | Click here to access page. | |
| NMEA (National Marine Electronics Association) 0183 Protocol | ||
| DBT | $IIDBT,6,f,1,mt,1,F <CR><LF> (Depth below Transducer) | |
| GCA | $GPGGA,hhmmss.ss,llll.ll,a,yyyyy.yy,a,x,xx,x.x,x.x,M,x.x,M,x.x,xxxx*hh GGA = Global Positioning System Fix Data |
GSA | $GPGSA,A,3,19,28,14,18,27,22,31,39,,,,,1.7,1.0,1.3*35 GSA = GPS receiver operating mode, SVs used for navigation, and DOP values. |
| GSV | $GPGSV,4,1,13,02,02,213,,03,-3,000,,11,00,121,,14,13,172,05*67 GSV = Number of SVs in view, PRN numbers, elevation, azimuth & SNR values. |
|
| HSC | $IIHSC17,C,38,m <CR><LF> (Temperature Submerged - Celsius) | |
| MTW | $IIMTW,17,c<CR><LF> Mean Temperature of Water | RMA | $GPRMA,A,llll.ll,N,lllll.ll,W,,,ss.s,ccc,vv.v,W*hh RMA = Navigation data from present position |
| RMB | $GPRMB,A,x.x,a,c-c,d-d,llll.ll,e,yyyyy.yy,f,g.g,h.h,i.i,j*kk RMB = Recommended Minimum Navigation Information |
RMC | $GPRMC,hhmmss.ss,A,llll.ll,a,yyyyy.yy,a,x.x,x.x,ddmmyy,x.x,a*hh RMC = Recommended Minimum Specific GPS/TRANSIT Data |
| VHW | $IIVHW17,c,32,m,4.1,K,3,k | VTG |
$GPVTG,t,T,,,s.ss,N,s.ss,K*hh |
| TPR | @IITPR,x,M,y,P,z.z,M TPR = Trawl Position Relative Vessel |
|
| HFB | @IIHFB,x.x,M,y.y,M HFB = Trawl Headrope to Footrope and Bottom |
|
| TDS | @IITDS,x.x,M TDS = Trawl Door Spread distance |
ITS | @IITS,x.x,M TS2 = Trawl Door Spread 2 distance |
| TFI | @IITFI,x,y,z TFI = Catch sensors to represent trawl filling | TPT | @IITPT,x,M,y,P,z.z,M TPT = Trawl Position True relative to the vessel |
TTM | $--TTM,xx,x.x,x.x,a,x.x,x.x,a,x.x,x.x,a,c--c,a,a,hhmmss.ss,a*hh TTM = Tracked target message (ARPA Radar only) |
| TPT | @IITPT,x,M,y,P,z.z,M<cr><lf> TPT Trawl Position True vessel. |
TPC |
@IITPC,x,M,y,M,z,M<cr><lf> |
| GLL | $IIGLL,ddmm.hh,N,dddmm.hh,W<cr><lf> GLL Trawl's Geographical Latitude and Longitude |
|
| DBS | $IIDBS,,,x.x,M,,<cr><lf> DBS Depth Below Surface. |
|
| MTW | $IIMTW,-xx.xx,C<cr><lf> MTW Meteorological Temperature in Water. |
HFB | @IIHFB,x.x,M,y.y,M<cr><lf> HFB Headrope to Footrope and Bottom. |
| TDS | @IITDS,x.x,M<cr><lf> TDS Trawl Door Spread | |
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