Data Sheet

ManualsBrandsLaird Connectivity ManualsElectronics902 - 928 MHz FHSS, 0 - 1 W, MMCX / 902 - 928 MHz FHSS, 0 - 1 W, MMCX, Long Range

AC4490

Datasheet

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CONTENTS

1 AC4490 RF Transceiver ...................................................................................................................................................... 5

1.1 Overview .................................................................................................................................................................... 5

2 Features .............................................................................................................................................................................. 5

2.1 Networking and Security ............................................................................................................................................ 5

2.2 Easy to Use ................................................................................................................................................................ 5

3 Detailed Specifications ........................................................................................................................................................ 5

4 Electrical Specifications ....................................................................................................................................................... 7

5 Hardware ........................................................................................................................................................................... 10

5.1 Pin Definitions .......................................................................................................................................................... 10

5.2 Pin Descriptions ....................................................................................................................................................... 12

6 Serial Interface .................................................................................................................................................................. 14

6.1 Serial Communications ............................................................................................................................................ 14

6.2 Asynchronous Operation .......................................................................................................................................... 14

6.3 Parity ........................................................................................................................................................................ 14

6.4 Serial Interface Baud Rate ....................................................................................................................................... 15

7 Radio Interface .................................................................................................................................................................. 16

7.1 Protocol Status / Receive Acknowledgement ........................................................................................................... 16

7.2 Flow Control ............................................................................................................................................................. 16

8 Security ............................................................................................................................................................................. 18

9 AC4490 Mechanical and Layout ........................................................................................................................................ 20

9.1 Mechanical Drawings ............................................................................................................................................... 20

10 AC4490 Timing Diagrams ................................................................................................................................................. 23

11 Ordering Information .......................................................................................................................................................... 24

11.1 Product Marketing Name .......................................................................................................................................... 24

11.2 Developer Kit Part Number ...................................................................................................................................... 24

12 Compliance Information ..................................................................................................................................................... 24

12.1 AC4490- 1x1 ............................................................................................................................................................ 24

12.2 Agency Identification Numbers ................................................................................................................................. 24

12.3 Approved Antenna List ............................................................................................................................................. 25

12.4 FCC Requirements for Modular Approval ................................................................................................................ 25

12.5 ISED Requirements for Modular Approval ............................................................................................................... 27

12.6 Antenna Requirements ............................................................................................................................................. 28

12.7 Channel Warning ..................................................................................................................................................... 29

13 Revision 2.0 Hardware (AC4490-1000M, AC4490LR-1000M) .......................................................................................... 29

14 Appendix I: 5V to 3.3V Levels............................................................................................................................................ 29

14.1 Voltage Level Conversion IC’s ................................................................................................................................. 29