Kyocera J79 User Manual

J79 Hardware User Guide

Version 1.0

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Document History

Change Details

Version 1.0

Revision

1.0 2015/7/7 - - First edition

Date Chapter Section Description

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Version 1.0

Contents

1. Scope ................................

2. Environmental condition ................................

3. Electrical specifications ................................

3.1 Absolute maximum ratings ........................................................................................................................... 4

3.2 Recommend operating condition ................................................................................................................. 5

3.3 Radio Specifications ....................................................................................................................................... 5

3.3.1 Cellular Specifications ................................................................................................................................ 5

3.3.2 GPS Receiver Specifications ...................................................................................................................... 5

4 Interface Descriptions ................................

4.1 Pad Assignment .............................................................................................................................................. 6

5 Input output signal specifications ................................

5.1 Antenna Port ................................................................................................................................................... 7

5.1.1 Main antenna port ...................................................................................................................................... 7

5.1.2 Second antenna port ................................................................................................................................. 7

5.1.3 GPS antenna port ....................................................................................................................................... 7

5.2 Pad Description ............................................................................................................................................... 8

6. Module Control ................................................................................................................................................. 9

6.1 Power off and reset limitations .................................................................................................................... 9

6.2 Power supply interrupt .................................................................................................................................. 9

6.3 Over-temperature Protection ....................................................................................................................... 9

6.4 Over-temperature Protection (restricted RF operation). .......................................................................... 9

7. UART/USB ................................

7.1 UART .............................................................................................................................................................. 10

7.1.1 UART2 ........................................................................................................................................................ 10

7.1.2 RI ................................................................................................................................................................ 10

7.2 USB ................................................................................................................................................................ 10

8. Mechanical Information ................................

9. Mechanical Drawings ................................

10. Related Documents ................................

11. Warnings ................................

11.1 Handling Precautions ............................................................................................................................... 12

12. FCC/IC Regulatory notices ................................

12.1 Modification statement ............................................................................................................................ 13

12.2 Interference statement ........................................................................................................................... 13

12.3 RF Exposure Information ........................................................................................................................ 13

12.4 IC Regulations ........................................................................................................................................... 14

12.5 FCC Class B digital device notice ........................................................................................................... 15

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Scope

This document is applied to wireless module of J79 for North America.

Environmental condition

（１）Withstand voltage ：MAINVCC 5.0V (Not be destructed) ：USBV 7.0V (Not be destructed)

Electrical specifications

Version 1.0

3.1 Absolute maximum ratings

Table3-1. Absolute maximum ratings

Parameter Rating Units

Min Max

MAINVCC withstand voltage -0.3 5.0 V Applicable within the Operating temper-

ature

USBV withstand voltage -0.3 7.0 V Applicable within the Operating

temperature Do not supply votage to USB+/USBpin when USBV is absent.

Digital interface input voltage -0.3 V

Storage Temperature -40 +85 ℃ Tstg

+0.3 V Applicable within the Operating

IOVCC

temperature

Note

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Version 1.0

3.2 Recommend operating condition

Table3-2. Recommend operating condition

Parameter Rating Unit Note

Min Max

Operation voltage 3.6 4.2 V Applicable within the Operating temperature

includes momentary fluctuations such as ripple and under/over shoot.

USBV input 4.5 5.25 V Applicable within the Operating temperature

3.3 Radio Specifications

3.3.1 Cellular Specifications

Unless otherwise specified, values in tables below are determined defined in performance temperature range.

＜UMTS/HSPA+＞

 Frequency band: B2/B5  Output Power : Power Class 3

Also, the transmitter/receiver performance conform to 3GPP TS 34.121.

＜LTE＞

 Frequency band: B2/B4/B5/B13  Output Power : Power Class 3  Categry : 3

Also, the transmitter/receiver performance conform to 3GPP TS36.101, TS36.521-1.

3.3.2 GPS Receiver Specifications

Unless otherwise specified, values in tables below are determined defined in performance temperature range.

Table3-4-2. GPS Receiver Specifications

Item Rating Note

Receiver sensitivity (Sensitivity of capture)

Receiver sensitivity (Tracking Sensitivity)

-145 dBm or less Receiver sensitivity is defined by the input power when the device can acquire the satellite at a rate of 60%.

-152 dBm or less Receiver sensitivity is defined by the input power when the device can acquire the satellite at a rate of 60%.

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+ 10 hidden pages

Kyocera J79 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual