Ott Hydromet Business Unit Adcon Telemetry A432 Users/Integrators Manual
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 T HE A 431 R ADIO 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).
BLO CK D IAGR AM
A432 Radio Module UM.docx Page 2 of 5
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