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Hardware Integration Guide

6

Proprietary and Confidential - Contents subject to change

4112880

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Содержание AirPrime EM7355

Страница 1: ...AirPrime EM7355 Hardware Integration Guide 4112880 Rev 2 Distribution under NDA only Contents subject to change...

Страница 2: ......

Страница 3: ...flight In aircraft the Sierra Wireless modem MUST BE POWERED OFF When operating the Sierra Wireless modem can transmit signals that could interfere with various onboard systems Note Some airlines may...

Страница 4: ...a registered trademark of Microsoft Corporation QUALCOMM is a registered trademark of QUALCOMM Incorporated Used under license Other trademarks are the property of their respective owners Contact Info...

Страница 5: ...connection 14 Interference and sensitivity 14 Interference from other wireless devices 14 Host generated RF interference 14 Device generated RF interference 15 Methods to mitigate decreased Rx perfor...

Страница 6: ...Hardware Integration Guide 6 Proprietary and Confidential Contents subject to change 4112880...

Страница 7: ...lopment board Cables Antennas Other accessories For over the air LTE testing ensure that suitable antennas are used Required connectors Table 1 1 describes the connectors used to integrate the EM7355...

Страница 8: ...Hardware Integration Guide 8 Proprietary and Confidential Contents subject to change 4112880...

Страница 9: ...odule power states State Details Host is powered Module is powered USB interface active RF enabled Normal Default state Module is active Default state Occurs when VCC is first applied Full_Card_Power_...

Страница 10: ...ep at network provider determined interval Off Host keeps module powered off by asserting Full_Card_Power_Off signal pulled low or left floating Module draws minimal current Disconnected Host power so...

Страница 11: ...Band 25 Tx 1850 1915 MHz Rx 1930 1995 MHz Table 3 2 WCDMA frequency band support1 1 WCDMA channel spacing is 5 MHz but this can be adjusted to optimize performance in a particular deployment scenario...

Страница 12: ...sis Note If the antenna connection is shorted or open the modem will not sustain permanent damage Shielding The module is fully shielded to protect against EMI and must not be removed GSM 1800 Tx 1710...

Страница 13: ...t RF performance Although the module is shielded to prevent interference in most applications the placement of the antenna is still very important if the host device is insufficiently shielded high le...

Страница 14: ...16 Note The EM7355 is based on ZIF Zero Intermediate Frequency technologies When performing EMC Electromagnetic Compatibility tests there are no IF Intermediate Frequency components from the module to...

Страница 15: ...nterference However the antenna cannot be shielded for obvious reasons In most instances it is necessary to employ shielding on the components of the host device such as the main processor and paralle...

Страница 16: ...designed antennas Radiated sensitivity measurement A wireless host device contains many noise sources that contribute to a reduction in Rx performance To determine the extent of any receiver performan...

Страница 17: ...f the OEM Sierra Wireless offers professional services based assistance to OEMs with the testing and certification process if required Important notice Because of the nature of wireless communications...

Страница 18: ...American users Note Details are preliminary and subject to change The EM7355 modem has been granted modular approval for mobile applications Integrators may use the EM7355 modem in their final product...

Страница 19: ...ct must clearly indicate the operating requirements and conditions that must be observed to ensure compliance with current FCC IC RF exposure guidelines Device Technology Band Frequency MHz Maximum co...

Страница 20: ...embedded EM7355 modem may also need to pass the FCC Part 15 unintentional emission testing requirements and be properly authorized per FCC Part 15 Note If this module is intended for use in a portabl...

Страница 21: ...k and uplink Actual speed depends on the network conditions Compare to 1xEV DO 3GPP 3rd Generation Partnership Project 8PSK Octagonal Phase Shift Keying AGC Automatic Gain Control A GPS Assisted GPS A...

Страница 22: ...V DO to enable LTE to CDMA handover EIRP Effective or Equivalent Isotropic Radiated Power EMC Electromagnetic Compatibility EMI Electromagnetic Interference ERP Effective Radiated Power ESD Electrosta...

Страница 23: ...e is integrated HSDPA High Speed Downlink Packet Access HSPA Enhanced HSPA as defined in 3GPP Release 7 and beyond HSUPA High Speed Uplink Packet Access Hz Hertz 1 cycle second IC Industry Canada IF I...

Страница 24: ...anufacturer a company that manufactures a product and sells it to a reseller OFDMA Orthogonal Frequency Division Multiple Access OMA DM Open Mobile Alliance Device Management A device management proto...

Страница 25: ...Block SIM Subscriber Identity Module Also referred to as USIM or UICC SIMO Single Input Multiple Output smart antenna technology that uses a single antenna at the transmitter side and multiple antenn...

Страница 26: ...e org TIS Total Isotropic Sensitivity TRP Total Radiated Power UDK Universal Development Kit for PCI Express Mini Cards UE User Equipment UICC Universal Integrated Circuit Card Also referred to as a S...

Страница 27: ...ounding 14 connectors required host module 7 D desense See RF diversity antenna disabling 13 E EDGE connector required 7 F filtering RF desense 15 frequency band support CDMA 12 GSM 11 12 LTE 11 WCDMA...

Страница 28: ...nergy filtering 15 mitigation suggestions 15 shielding suggestions 15 interference other devices 15 wireless devices 14 RF bands supported CDMA 12 GSM 11 12 LTE 11 WCDMA 11 RF specifications 11 16 RSE...

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