Murata Electronics North America 934 Frequency Hopping RF Modem User Manual

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Document ID	832509
Application ID	00wCqM78jPGkPBj1HQe+hA==
Document Description	Users Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	6.24kB (78005 bits)
Date Submitted	2007-08-22 00:00:00
Date Available	2007-08-24 00:00:00
Creation Date	2007-08-09 13:41:44
Producing Software	Acrobat Distiller 8.1.0 (Windows)
Document Lastmod	2007-08-09 13:41:44
Document Title	Microsoft Word - WIT934 Integration Manual Rev A _3_.doc
Document Creator	PScript5.dll Version 5.2
Document Author:	Lou Feudi

WIT934
WIT934
900MHz Spread Spectrum Wireless Industrial
Transceiver
Preliminary
Integration Guide
3079 Premiere Pkwy Ste 140
Norcross, Georgia 30097
www.cirronet.com
+1 (678) 684-2000
© 2000- 2005 Cirronet™ Inc
M-0910-0000 Rev C
WIT934
Important Regulatory Information
Cirronet Product FCC ID: HSW-934
IC 4492A-934
Note: This unit has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed and used
in accordance with the instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct the interference at their expense.
FCC s MPE Requirements
Information to user/installer regarding FCC s Maximum Permissible Exposure (MPE) limits.
Notice to WIT934 users/installers using the following fixed antennas:
2dBi Cirronet OMNI092
The field strength radiated by this antenna, when connected to a transmitting WIT934, does not
exceed FCC mandated RF exposure limits.
Changes or modifications not expressly approved by the party responsible may void the users ability to
operate the equipment.
End user installers of the WIT 934 module must provide a label on their end product
with the following content:
“Contains Transmitter FCC ID:HSW-934 “
IC ID:4492A-934
© 2000- 2005 Cirronet™ Inc
M-0910-0000 Rev C
WIT934
1.1 Technical Specifications
1.1.1 Ordering Information
WIT934M OEM Module, Serial connector pins down - Standard
1.1.2 Power Specifications
Vcc Input Range:
Operating Temperature Range:
3.3v to 10.0v (500mW requires 5.0Vcc)
-40°C to +70°C
Current Consumption (@5V, max transmit power & 115.2Kbps I/O)
Mode
Standby
Typical Average
Peak (Tx)
Remote
43mA
<100mA
600mA
Base Station
N/A
125mA
600mA
1.1.3 RF Specifications
FCC Certification
Rated RF Power
Line-of-site Range
Frequency Range
Number of Channels
Receiver Sensitivity
Channel Data Rate
IF Adjacent Channel Rejection
Part 15.247, no license required
+24 dBm
20+ miles with omni antenna
902 to 927 MHz
37
-103dBm for 10-5 BER
172.8Kbps
>55dB
1.1.4 Mechanical Specifications
Weight
Dimensions (including shield)
35g
80.2 x 46.5 x 8.6mm
(refer to section 7.6 for mechanical drawing)
RF Connector:
WIT
Mating
Huber/Suhner: 85 MMCX 50-0-1
Huber/Suhner: 11 MMCX-50-2-3 (straight)
Huber/Suhner: 16 MMCX-50-2-2 (rt. angle)
Data/Power Connector:
WIT
Mating
© 2000- 2005 Cirronet™ Inc
Samtec: DIS5-108-51-L-D
Samtec: CLP-108-02-G-D (PCB mount)
Samtec: FFSD-08 (IDC cable)
M-0910-0000 Rev C
WIT934
When connecting to the WIT934, make sure that all of the inputs (TXD, CFG, RTS and
SLEEP) are terminated for proper operation.
1.2 Approved Antennas
The WIT934 is designed to ensure that no antenna other than the one fitted shall be used
with the device. The table below lists the antennas which can be purchased directly from
Cirronet.
Description
2dB Omnidirectional
© 2000- 2005 Cirronet™ Inc
Gain
2dB
Part Number
OMNI092
Coupling
Male Rev TNC
M-0910-0000 Rev C

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