Sierra Wireless AirLink FX100 User Manual Download

Page: 59 / 114

4112221

Rev 7.2

June 19, 2013

User Guide

X-card

7.5.

X-card Removal

To remove the X-card from the FX Series, insert the extraction tool hook into the X-card extraction
hole located under the PCB. Once in place, pull the extraction tool to extract the X-card from the FX
Series.

Figure 37. X-card Removal Procedure

Summary of Contents for AirLink FX100

Page 1: ...4112221 7 2 June 19 2013 AirLink FX Series User Guide WWW INFOPULSAS LT info infopulsas lt...

Page 2: ...ft is on the ground and the door is open Sierra Wireless modems may be used at this time The driver or operator of any vehicle should not operate the Sierra Wireless modem while in control of a vehicl...

Page 3: ...stered trademarks of Sierra Wireless Watcher is a registered trademark of NETGEAR Inc used under license Windows and Windows Vista are registered trademarks of Microsoft Corporation Macintosh and Mac...

Page 4: ...he Power Consumption values in Table 63 Initial Power Consumption Typical Added section 7 3 X card Design Suggestion Updated Packaging and Product Labeling 003 October 12 2010 Updated product pictures...

Page 5: ...3 2012 Added 16 way IO Cable with color coded wires shown updated 16 way IO Expander Description Updated naming conventions Sierra Wireless Software Suite to Open AT Application Framework Plug Ins to...

Page 6: ...2 4 Protection 21 2 4 1 Power Supply 21 2 4 2 Electrostatic Discharge 21 2 4 3 Main Serial Link 21 3 FUNCTIONAL SPECIFICATIONS 22 3 1 Functional Architecture 22 3 2 RF Functionalities 23 3 3 Operatin...

Page 7: ...card Physical Description 54 7 3 X card Design Suggestion 55 7 4 FXTE02 56 7 4 1 FXTE02 Ethernet X card Installation 56 7 4 2 Board Architecture 57 7 4 3 Mechanical Characteristics 58 7 4 4 Power Sup...

Page 8: ...guration 83 11 5 2 2 Equipment Configuration 83 12 RECOMMENDATIONS WHEN USING THE FX SERIES ON TRUCKS 86 12 1 Recommended Power Supply Connection on Trucks 86 12 2 Technical Constraints on Trucks 87 1...

Page 9: ...19 2 2 GPS Antenna 107 19 2 3 Serial Data Cable 107 19 2 4 USB Cable 108 19 2 5 6 wire Cable Accessory used with the FX Series 108 19 2 6 Package 108 19 2 7 Two Holding Bridles 108 19 2 8 Power Supply...

Page 10: ...ref 2 8V 32 Figure 17 15 Pin Serial Connector 34 Figure 18 RS232 Serial Link Signals 35 Figure 19 V24 Serial Link Implementation for a 5 wire UART 36 Figure 20 V24 Serial Link Implementation for a 4 w...

Page 11: ...X Series 60 Figure 40 Typical Hardware Configuration for Power Consumption Measurement 82 Figure 41 Recommended Power Supply Connection on Trucks 86 Figure 42 Example of an Electrical Connection That...

Page 12: ...tics of CMIC for FXT009 39 Table 18 Electrical Characteristics of CMIC for FX100 39 Table 19 Recommended Microphone Characteristics 40 Table 20 Speaker Outputs Pin Description for FXT009 40 Table 21 S...

Page 13: ...9 Table 58 AT CPIN Main Responses 70 Table 59 Main AT Commands used for the FX Series 71 Table 60 No Communications with the FX Series Through the Serial Link 72 Table 61 Receiving a No Carrier Messag...

Page 14: ...s Tests 94 Table 83 Handling Resistance Stress Tests 96 Table 84 Standards Conformity forFXT009 97 Table 85 Standards Conformity for FX100 97 Table 86 Applicable Standards and Requirements for FXT009...

Page 15: ...standard C C This document does not cover the programmable capabilities available through the Open AT Application Framework or the management capabilities available through the AirVantage M2M Cloud Fo...

Page 16: ...rface USB Interface 10 pin Micro Fit Connector Interface 15 pin sub D Serial Interface For more information on the features available on the FX Series variants refer to Table 4 FX Series Basic Feature...

Page 17: ...t RJ45 dongle FX100 Standard Wireless connectivity EGSM Quad Band CL 12 GPRS EDGE HSxPA Penta Band HSPA Wired connectivity Serial USB Accessories DC Cable Holding Bridles Ready to Use Wireless connect...

Page 18: ...iance 1 6 1 RoHS Directive Compliant The FX Series is compliant with RoHS Directive 2011 65 EC which sets limits for the use of certain restricted hazardous substances This directive states that from...

Page 19: ...z E GSM compliant Output power class 4 2W Fully compliant with ETSI GSM phase 2 normal MS 1800 MHz 1900MHz Output power class 1 1W Fully compliant with ETSI GSM phase 2 normal MS GPRS Class 10 Class 1...

Page 20: ...es come in two variants supporting various bearers and bands The FXT009 is a quad band programmable modem that support either EU bands EGSM900 DCS1800 or US bands GSM850 PCS1900 Users may switch from...

Page 21: ...onnected in order to protect the internal electronic components from overvoltage 2 4 2 Electrostatic Discharge The FX Series withstands ESD according to IEC 1000 4 2 requirements for all accessible pa...

Page 22: ...2 3 Functional Specifications This section discusses the functional specifications of the FX Series 3 1 Functional Architecture The global architecture of the FX Series is shown in the figure below Fi...

Page 23: ...nds FXT009 Quad band 850 900 1800 1900 MHz FX100 Quad band 850 900 1800 1900 MHz Penta band UMTS HSXPA 800 850 900 1900 2100 MHz 3 3 Operating System The FX Series is Open AT Application Framework com...

Page 24: ...DC nominal at 13 2V Maximum Current Typical 600mA average at 4 75V 3A Peak at 4 75V on FXT009 850mA average at 4 75V 3 7A Peak at 4 75V on FX100 The FX Series is permanently powered once the power sup...

Page 25: ...4112221 Rev 7 2 June 19 2013 25 User Guide Technical Specifications 4 2 Mechanical Specifications Figure 4 FXT009 Mechanical Drawing...

Page 26: ...4112221 Rev 7 2 June 19 2013 26 User Guide Technical Specifications Figure 5 FX100 Mechanical Drawing 1 of 2...

Page 27: ...4112221 Rev 7 2 June 19 2013 27 User Guide Technical Specifications Figure 6 FX100 Mechanical Drawing 2 of 2...

Page 28: ...GPS RF Interface for FX100 only SIM Interface LED Status Indicator 5 1 Front Interface Figure 7 FX Series Front Interface 5 1 1 Power Supply Connector The power supply connector is a 10 pin Micro Fit...

Page 29: ...put The FX Series has two external GPIO ports GPIO21 and GPIO25 GPIO35 for FX100 as well as a voltage reference line Vref Vref sets the reference voltage of the input or output of the two GPIOs Leavin...

Page 30: ...ing Conditions when Vref is at 2 8V Parameter Mininum Typical Maximum Condition VIL 0 84V Please refer to Figure 9 VIH 1 96V Please refer to Figure 10 VOL 0 4 Please refer to Figure 11 VOH 2 8 FX Seri...

Page 31: ...following levels Table 10 GPIO Pin Operating Conditions when Vref 2 8V Parameter Min Typ Max Condition VIL 0 84V Please refer to Figure 13 VIH 1 96V Please refer to Figure 14 VOL 058 0 110 Vref Pleas...

Page 32: ...hen the GPIO is used as an input By default and when the FX Series has been reset both GPIOs are configured as inputs The AT command AT WIOM must be used to change this configuration Refer to document...

Page 33: ...High state 5 1 1 2 ON OFF Pin The FX Series has an external ON OFF pin which is used to turn the device ON or OFF The following table describes the operation of this pin Table 11 ON OFF Pin Operation...

Page 34: ...O I O Type Reset State Description 1 CT109 DCD O 5 5V Undefined Data Carrier Detect 2 CT103 TXD I 5 5V Z Transmit Serial Data 3 BOOT I 1V8 BOOT This signal must not be connected Its use is strictly re...

Page 35: ...f the serial interface signals However the use of TXD RXD CTS and RTS signals are mandatory while the use of DTR DSR DCD and RI signals are optional Tip The FX Series is designed to operate using all...

Page 36: ...ntation for a 5 wire UART 5 1 2 2 2 4 wire Serial Interface RS232 Implementation The signals used in this interface are as follows CT103 TXD CT104 RXD CT105 RTS CT106 CTS Figure 20 V24 Serial Link Imp...

Page 37: ...Guide and 2 AirPrime SL808xT and Q2698 Open AT Framework Commands Interface Guide for more information 5 1 2 4 Serial Port Auto Shut Down Feature The RS232 serial link can be shut down when there is...

Page 38: ...o documents 1 Open AT Application Framework AT Commands Interface Guide and 2 AirPrime SL808xT and Q2698 Open AT Framework Commands Interface Guide for more information about these AT commands The fol...

Page 39: ...de Because CMICxP is internally biased it is necessary to use a coupling capacitor to connect an audio signal provided by an active generator Only a passive microphone can be directly connected to the...

Page 40: ...outputs is internally adjusted and may be tuned using the AT VGR command Furthermore the digital gain can be adjusted using AT WDGR Refer to documents 1 Open AT Application Framework AT Commands Inter...

Page 41: ...CSPK for FX100 Parameters Min Typ Max Unit Biasing voltage CSPKxP and CSPKxN 1 5 1 5 mV Output swing voltage RL 16 AT VGR 1600 single ended 1 7 Vpp RL 32 AT VGR 1600 single ended 1 9 2 75 Vpp RL Load...

Page 42: ...USB 2 0 protocol signaling but not with USB 2 0 electrical interface while the FX100 can support both USB 2 0 protocol signaling and electrical interface The USB interface features 12Mbit s full speed...

Page 43: ...RF interfaces are only available for FX100 5 2 1 SIM Interface A SIM card can be directly connected to the FX Series through the embedded SIM socket This interface controls 3V 1V8 SIM cards and it is...

Page 44: ...FX Series can have up to three RF interfaces depending on the variant Refer to the following table for the list of available RF interfaces per FX Series variant Table 29 Available RF Interface FX Ser...

Page 45: ...GSM900 Reference Sensitivity 106dBm DCS1800 Reference Sensitivity 106dBm PCS1900 Reference Sensitivity 106dBm Selectivity 200 kHz 9dBc Selectivity 400 kHz 41dBc Linear dynamic range 63dB Co channel r...

Page 46: ...requirements specified in the table below The optimum operating frequency depends on the application A dual band or quad band antenna should operate in these frequency bands and have the following cha...

Page 47: ...used through AT commands provided by the Extended Open AT application which is pre loaded at the factory or from a custom Open AT application using Location Library 5 2 2 3 1 Standalone GPS Leading s...

Page 48: ...TS Control Plane CP UE assisted and UE based GSM Control Plane CP UE assisted and UE based 5 2 2 3 4 Enhanced Navigation 2 0 Feature Provides leading performance in car and walking navigation modes as...

Page 49: ...c control pin BOOT is available to download to the FXT009 Specific PC software provided by Sierra Wireless is needed to perform this download specifically for the first download of the Flash memory Ca...

Page 50: ...lectrical Characteristics for FX100 Parameter Minimum Typical Maximum Unit Input Impedance R 10 k Input Impedance C 20 nF Internal pull up Table 40 Reset Operating Conditions Parameter Minimum Typical...

Page 51: ...of the device Table 41 FX Series LED Status FX Series State LED Status FX Series Status ON Permanently lighted The FX Series is switched ON but not registered in the network Flashing slowly LED is ON...

Page 52: ...harged 15 Hours RTC Time Period Guaranteed 30 Hours Not guaranteed 60 Hours This RTC time period is measured when the RTC battery is fully charged before the FX Series is unplugged from the DC power s...

Page 53: ...he back plate and open the X card compartment Figure 29 FX Series X card Compartment 7 1 2 50 pin X card Connector The high density 50 pin X card connector is used for interfacing the X card with the...

Page 54: ...37 PCM IN 13 RESET 38 PCM CLK 14 AUX ADC 39 PCM OUT 15 SPI1 CS 40 AUX DAC 16 SPI1 CLK 41 2 8V supply from the FX Series 17 SPI1 I 42 GND 18 SPI1 IO 43 DC IN 19 SPI2 CLK 44 DC IN 20 SPI2 IO 45 GND 21...

Page 55: ...112221 Rev 7 2 June 19 2013 55 User Guide X card 7 3 X card Design Suggestion Refer to the following diagram for suggested dimensions when using a customized X card Figure 32 Suggested X card Dimensio...

Page 56: ...cation Framework programmable Native execution of embedded standard ANSI C applications Custom AT command creation Custom application library creation Standalone operation LAN IEEE 802 3 Compatible In...

Page 57: ...de X card 7 4 2 Board Architecture Figure 34 FXTE02 Ethernet X card Architecture Figure 35 FXTE02 X card and an RJ 45 Interface Cable The 10 pin Interface Socket is an external interface for the RJ 45...

Page 58: ...47 Electrical Characteristics Operating Voltage 4V DC Note The FXTE02 X card is powered once the enable pins are activated by the Open AT Application Framework 7 4 4 1 Extra Current Consumption from t...

Page 59: ...card Removal To remove the X card from the FX Series insert the extraction tool hook into the X card extraction hole located under the PCB Once in place pull the extraction tool to extract the X card...

Page 60: ...p hold and secure the FX Series on a support Figure 38 FX Series Holding Bridles To mount the FX Series on its support bind it using the holding bridles as shown in the figure below Figure 39 Mounting...

Page 61: ...d socket Refer to Inserting the SIM Card and Extracting the SIM Card for more details on how to insert and extract the SIM card from the FX Series 2 Slide the SIM lock switch to lock the SIM card in t...

Page 62: ...oth sides 7 Connect the USB cable 8 Plug the 6 wire cable accessory into the FX Series and switch on the external power supply source Refer to section 9 10 Main AT Commands for the FX Series for the l...

Page 63: ...Series follow the procedures below 1 Prepare the SIM card in the correct position as shown in the figure 2 Slide the SIM card into the SIM holder 3 Use a tool to help push the SIM card into the SIM ho...

Page 64: ...M card from the FX Series follow the procedures below 1 Open the SIM lock switch by sliding it to the left 2 Use a tool to further push the SIM card into the SIM holder Push until you hear a clicking...

Page 65: ...efer to section 17 2 X card Documentation for the list of documents containing additional information on how to use the X card with the FX Series 8 4 Operational Status The FX Series operational statu...

Page 66: ...ata bits 8 Parity None Stop bits 1 Flow control Hardware Using a communication software such as HyperTerminal enter AT When communications have been established the FX Series will respond with an OK w...

Page 67: ...gistration of the FX Series Refer to the table below for the list of main responses returned Table 51 AT CREG Main Reponses AT CREG Response Description AT CREG 0 0 Not registered AT CREG 0 1 Register...

Page 68: ...bout this parameter x Reset flag 0 means the band s have not been modified since the last boot of the FX100 and 1 means the band s have been modified since the last boot and that the FX100 will have t...

Page 69: ...lection AT WUBS Command Description AT WUBS y x Where y Band frequency configuration bit field in HEX format x Optional reset parameter 0 means the FX100 will have to be reset to start on the specifie...

Page 70: ...your communication software Enable the FX Series echo function use the ATE1 command In a machine to machine communication with the FX Series it is recommended to disable the FX Series echo function us...

Page 71: ...ed with CMEE 1 mode Check the selected band AT WMBS WMBS Band ResetFlag OK The currently selected band mode is returned Switch bands AT WMBS Band OK Band switch is accepted the FX Series has to be res...

Page 72: ...al cable correctly follow the pin assignments Refer to section 5 1 2 Serial Interface for more information about the serial cable pin assignments Connect the cable by following the pin assignments as...

Page 73: ...hod to get the Mobile Equipment error code enter the AT CMEE 1 command 10 3 Receiving NO CARRIER If the FX Series returns a NO CARRIER message upon an attempted call voice or data refer to the followi...

Page 74: ...AT CEER Refer to the following table for the interpretation of extended error codes Table 62 Extended Error Codes Error Code Diagnosis Hint 1 Unallocated phone number 16 Normal call clearing 17 User b...

Page 75: ...on the operating mode used Refer to the table below for the different kinds of operating modes available Refer to Appendix 3 1 of documents 1 Open AT Application Framework AT Commands Interface Guide...

Page 76: ...and Refer to section 5 1 2 4 Serial Port Auto Shut Down Feature for more information on this feature FLASH LED Activated Deactivated The FX Series Flash LED can be enabled or disabled by AT command Re...

Page 77: ...17 125 44 20 369 120 mA 900 MHz PCL5 gamma 3 304 97 42 2588 1222 mA PCL19 gamma 17 127 45 20 374 121 mA 1800 MHz PCL0 gamma 3 234 79 34 1560 1072 mA PCL15 gamma 18 123 44 19 325 108 mA 1900 MHz PCL0...

Page 78: ...109 47 3782 710 mA PCL19 TX power 5dBm 99 35 15 698 215 mA 1800 MHz PCL0 TX power 30dBm 299 91 39 2374 536 mA PCL15 TX power 0dBm 101 35 16 728 226 mA 1900 MHz PCL0 TX power 30dBm 269 86 37 2169 497...

Page 79: ...4 89 1042 898 mA 10 dBm 204 70 31 842 417 mA Band VI 22 dBm 609 204 88 1036 858 mA 10 dBm 200 71 30 978 404 mA Band VIII 22 dBm 582 200 87 1050 895 mA 10 dBm 328 114 51 804 646 mA UMTS Data Transfer 2...

Page 80: ...506 mA Band VIII 22 dBm 638 220 85 946 557 mA 10 dBm 401 140 54 715 558 mA 11 4 Non Connected Mode Power Consumption Note The USB port must be deactivated to enter Sleep Mode Table 68 Power Consumptio...

Page 81: ...consumption measurement which is used to obtain the FX Series consumption specifications The FX Series consumption specification values are measured for all operating modes available For more informa...

Page 82: ...must be inserted during all consumption measurements The following table lists the recommended equipments to use for the consumption measurement Table 70 List of Recommended Equipments Device Manufac...

Page 83: ...er Mode class 10 3Rx 2Tx in EDGE mode Transfer Mode class 12 1Rx 4Tx in EDGE mode for FX100 only Connected Mode in UMTS mode for FX100 only Data Transfer in UMTS mode and HSxPA mode for FX100 only Not...

Page 84: ...class 2 1Rx 1Tx 850 900 MHz Gam 6 TX power 27dBm Gam 17 TX power 5dBm 1800 1900 MHz Gam 5 TX power 26dBm Gam 18 TX power 0dBm Transfer Mode class 10 3Rx 2Tx 850 900 MHz Gam 6 TX power 27dBm Gam 17 TX...

Page 85: ...7 2Mbit s UMTS 2100 BAND I 22dBm 10dBm UMTS 1900 BAND II 22dBm 10dBm UMTS 850 BAND V 22dBm 10dBm UMTS 800 BAND VI 22dBm 10dBm UMTS 900 BAND VIII 22dBm 10dBm HSUPA Data Transfer CAT 5 2Mbit s UMTS 2100...

Page 86: ...example on the wiring trunk the driver may cut the current source to avoid any damage explosion The circuit breaker is connected to the truck ground most often associated with the fuse box Most truck...

Page 87: ...Figure 42 Example of an Electrical Connection That May Damage the FX Series The figure above gives an example of an electrical connection which may dramatically damage the FX Series when its ground co...

Page 88: ...or FXT009 bundle only Mounting bridle Table 72 6 Wire Cable Accessory Color Coding IO Cable Accessory Color DC IN RED GND BLACK VREF GREEN GPIO21 ORANGE ON OFF YELLOW GPIO25 GPIO35 for FX100 BROWN 13...

Page 89: ...band antenna W1900 PULSE Power adaptor GS 2034 RE 25W MAX Out 12V 2A In 100 to 240V 47 63 Hz 550mA Mounted with micro fit connector GlobTeK 6 wire cable accessory Fuse Cable K96975060049A FUSE T2AL25...

Page 90: ...2 0 Environmental testing part 2 64 Test FH vibration broadband random and guidance IEC60068232 2 0 Basic environmental testing procedures part 2 Test ED procedure 1 Withdrawn replaced by IEC60068 2...

Page 91: ...IP code IEC60068217 4 0 Basic environmental testing procedures part 2 Test Q sealing IEC60068218 2 0 Environmental testing part 2 18 Tests R and guidance water IEC60068270 1 0 Environmental testing p...

Page 92: ...ed tolerances After application of the constraint all functions automatically return within standard limits The memories shall remain in compliance with Class A The FX Series shall exhibit the possibi...

Page 93: ...dT dt 3 C min Recovery time 3 hours Operating conditions Un powered Duration 72 hours 14 3 2 3 Corrosive Resistance Stress Test The following tests the FX Series resistance to corrosive atmosphere Tab...

Page 94: ...30 minutes Recovery time 3 hours Operating conditions Un powered Duration 72 hours 14 3 2 5 Mechanical Resistance Stress Tests The following tests the FX Series resistance to vibrations and mechanical...

Page 95: ...Operating conditions Un powered Duration 16 hours Mechanical Shock Test MST Standard IEC 60068 2 27 Test Ea Special conditions Shock Test 1 Wave form Half sine Peak acceleration 30G Duration 11ms Numb...

Page 96: ...s Powered Duration 24 hours Operational Durability OD Standard N A Special Conditions SIM Connector Cycles 40 Repetition Rate 3s per cycle Objective Mating and de mating System Connector Cycles 40 Rep...

Page 97: ...f the radio frequency spectrum EN 301 511 V 9 0 2 EMC EN 301 489 1 v1 8 1 EN 301 489 7 v1 3 1 EN 301 489 24 v1 4 1 FCC FCC Part 15 FCC Part 22 24 IC RSS 132 Issue 2 RSS 133 Issue 5 International Stand...

Page 98: ...ion Partnership Project Technical Specification Group GSM EDGE Radio Access Network Mobile Station MS conformance specification Part 2 Protocol Implementation Conformance Statement PICS proforma speci...

Page 99: ...ification Group GSM EDGE Radio Access Network Mobile Station MS conformance specification Part 2 Protocol Implementation Conformance Statement PICS proforma specification TS 51 010 4 4 23 0 3rd Genera...

Page 100: ...lar telephone is forbidden or dangerous Any other area where you would normally be advised to turn off your vehicle engine There may be a hazard associated with the operation of your FX Seriesclose to...

Page 101: ...environment where the temperature or humidity is high Do not use or store the FX Series in dusty or dirty areas Its moving parts can be damaged Do not attempt to disassemble the embedded module There...

Page 102: ...e 17 1 Firmware Documentation 1 Open AT Application Framework AT Commands Interface Guide Reference WM_DEV_OAT_UGD_079 version 11 or higher 2 AirPrime SL808xT and Q2698 Open AT Framework Commands Inte...

Page 103: ...lular System DSR Data Set Ready DTE Data Terminal Equipment DTMF Dual Tone Multi Frequency DTR Data Terminal Ready EEPROM Electrically Erasable Programmable Read Only Memory EFR Enhanced Full Rate E G...

Page 104: ...eaker sound pressure measurements PBCCH Packet Broadcast Control Channel PC Personal Computer PCL Power Control Level PDP Packet Data Protocol PIN Personal Identity Number PLMN Public Land Mobile Netw...

Page 105: ...4112221 Rev 7 2 June 19 2013 105 User Guide List of Abbreviations Abbreviation Definition UMTS Universal Mobile Telecommunications System VSWR Voltage Stationary Wave Ratio X card Expansion Card...

Page 106: ...FXT009 only DC Cable USB cable for FXT009 only Holding Bridles DC Cable USB cable Holding Bridles Cellular Antenna Diversity Antenna for FX100 GPS Antenna for FX100 Power Supply Data Cable DC Cable US...

Page 107: ...ak Gain 3dBic Based on 7x7cm ground plane Gain Coverage 4dBic at 90 0 90 over 75 Volume Polarization RHCP LNA Filter LNA Gain without cable 28dB typical Noise Figure 1 5dB Filter Out Band Attenuation...

Page 108: ...V slow break fuse Please refer to Table 72 6 Wire Cable Accessory Color Coding for more information regarding the pin description 19 2 6 Package Two packaging boxes are available depending on the FX S...

Page 109: ...013 109 User Guide Packaging 19 2 8 Power Supply used with the FX Series Table 94 Power Supply Description Input Voltage 100 240VAC Output Voltage 12VDC Output Current 2 08A No Minimum Load required O...

Page 110: ...ct Label The top label provides the following information Serial number and barcode Product Name FXT009 or FX100 Item number MAC ID and barcode WEEE logo Qualcomm CDMA logo for FX100 variants only CE...

Page 111: ...e current RF technology for many years scientists have begun research regarding newer radio technologies such as GSM After existing research had been reviewed and after compliance to all applicable sa...

Page 112: ...of cable entry as practical 21 2 General Safety 21 2 1 Driving Check the laws and the regulations regarding the use of cellular devices in the area where you have to drive as you always have to compl...

Page 113: ...OFF when in a blasting area or in areas posted turn off two way radio Construction crews often use remote control RF devices to set off explosives 21 2 8 Potentially Explosive Atmospheres Turn your t...

Page 114: ......

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