Ott Hydromet Business Unit Adcon Telemetry A432 UHF radio module User Manual A432 Radio Module UM

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Document ID	3603938
Application ID	0ATUgbgq2Xzfc8r4uplQdQ==
Document Description	Users/Integrators Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	24.5kB (306285 bits)
Date Submitted	2017-10-13 00:00:00
Date Available	2017-10-13 00:00:00
Creation Date	2017-10-13 12:05:58
Producing Software	GPL Ghostscript 9.10
Document Lastmod	2017-10-13 12:05:58
Document Title	A432 Radio Module UM
Document Creator	PDFCreator Version 1.7.3
Document Author:	chvatal

OTT Hydromet GmbH
Business Unit Adcon Telemetry
Inkustraße 24
3400 Klosterneuburg, Austria
Tel.: +43 2243/38280-58
Mob.: +43 664 85 474 55
Fax: +43 2243/38280-6
g.chvatal@ott.com
www.adcon.com
A432 RADIO MODULE
User Manual
Date:
2017/10/13
A432 Radio Module UM.docx
Page 1 of 5
ABOUT THE A431 RADIO MODULE
The A431 was specially designed for narrow-band FM data communication. The complete transceiver is
enclosed in a screening shield.
The radio module A432 mainly consists of:
•
•
•
•
•
•
CC1125 Ultra High Performance RF Narrowband Transceiver (U2), Texas Instruments
RF Front End Module RF6504 (TX amplifier and antenna switch) (U3), RFMD
Low Noise, Low Current Amplifier (LNA)(U8), Skyworks
LTC5507 RF Power Detector (U1), Linear Technology
SAW RX Filter (FL1, FL2)(for low and high band selection)
SAW TX Filter for EN300 220 operation (FL3)
The module operates in the 430 to 470 MHz range, making it compatible with most radio communication
regulations in the world. The output power is 0.5 W, while the modulation is narrow-band FM (12.5, 20 or
25 kHz channel spacing). The power consumption in receive mode is remarkably low (under 42 mA).
BLOCK DIAGRAM
A432 Radio Module UM.docx
Page 2 of 5
THE MODULE CONNECTOR
All control signals and supply voltages are accessible via the 24 pin connector P2.
PIN
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Name
VPA
VPA
VDD_IN
RFMOD_ON
SCLK
SO
SI
-CSRF
-CCRESET
RXDATA
TXDATA
RXTXCLK
RXEN
TXEN
POUT
-FEEN
VCTCXO_ON
LBS
HBS
-CSFTUNE
CFG0
CFG1
CFG2
GND
Function
PA power supply, 3.6 V
PA power supply, 3.6 V
Power supply, 3.0 V
RF module enable, HIGH = enable
SPI clock
SPI serial data output
SPI serial data input
SPI chip select, LOW = selected
Reset signal for transceiver chip, LOW = reset
Received data output
Transmit data input
Receive/transmit clock
Receiver enable
Transmitter enable
Output power measurement
Front end enable, LOW = enable
VCTCXO enable input, HIGH = enable
Low band select, 430 – 450 MHz
High band select, 450 – 470 MHz
Chip select frequency fine tune
HW configuration bit 0
HW configuration bit 1
HW configuration bit 2
Ground connection
3 additional GND connections are made by the module mounting holes.
P1
Figure 1, Module Bottom Side
A432 Radio Module UM.docx
Page 3 of 5
THE ANTENNA CONNECTOR
The antenna is connected to the module via the MMCX connector P1.
A432 MODULES’S PHOTOGRAPHS
Figure 2, A432 TOP VIEW, closed lid
Figure 3, A432 BOTTOM VIEW
A432 Radio Module UM.docx
Page 4 of 5
FCC AND IC STATEMENT
FCC PART 15.21 STATEMENT
Changes or modifications not expressly approved by Ott Hydromet GmbH could void the user’s authority to
operate the equipment.
RSS-GEN, CNR-GEN 8.4
This device complies with Industry Canada’s licence-exempt RSSs. Operation is subject to the following two
conditions:
(1) This device may not cause interference; and
(2) This device must accept any interference, including interference that may cause undesired operation of the
device.
Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio exempts de
licence. L’exploitation est autorisée aux deux conditions suivantes :
(1) l’appareil ne doit pas produire de brouillage;
(2) l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est
susceptible d’en compromettre le fonctionnement.
A432 Radio Module UM.docx
Page 5 of 5

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