Data Modems

High-performance data modem solutions enabling reliable wireless and wired communication for industrial, infrastructure and embedded systems

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Data Modems: Robust Data Transfer for Industrial & Embedded Systems

CML Micro’s Data Modems portfolio provides robust communication solutions for reliable data transfer across a wide range of industrial and embedded applications.

The range includes wireless data modems, data pumps, low power modems and telephony interfaces, designed to support efficient and dependable data communication in challenging environments.

Engineered for flexibility and long-term reliability, these devices enable secure and stable connectivity across systems where performance, power efficiency and operational resilience are critical. The portfolio supports both legacy and modern communication architectures, helping designers integrate reliable data transfer capabilities into compact and power-sensitive platforms.

Data Modems

Product Description Modulation Schemes Data Range (kbps) Supply Voltage (V) Typ. Current (mA) Package Type Auxiliary Features Key Benefits
CMX7143 Multi-mode Wireless Data Modem FFSK/MSK GMSK/GFSK 4FSK FFSK 3.0 - 3.6 Rx 11.7 Tx 15.7 48-VQFN 48-LQFP ADCs, DACs System Clocks GPIO RAMDAC Multi-mode packet data modem for FR LD systems
CMX7146 BPSK Wireless Data Modulator BPSK/PRK/2PSK 0.6 - 9.6 3.0 - 3.6 7 (1200bps) 15 (9600bps) 48-VQFN ADCs, DACs System Clocks GPIO RAMDAC Small low power BPSK Modulator
CMX7163 QAM (I/Q) Wireless Data Modem 4/16/32/64 QAM QAM 3.0 - 3.6 Rx 18.7 Tx 12.7 64-VQFN 64-LQFP ADCs, DACs System Clocks GPIO RAMDAC High speed QAM packet data modem for I/Q based systems
CMX7164 Multi-mode (I/Q) Wireless Data Modem GMSK/GFSK 2/4/8/16 FSK 4/16/32/64 QAM V.23 Modem GMSK 3.0 - 3.6 Rx 17.9 Tx 12.7 64-VQFN 64-LQFP ADCs, DACs System Clocks GPIO RAMDAC Multi-mode packet data modem for I/Q based systems
CMX7364 CMX7364 – Multi-mode High Performance Wireless Data Modem
CMX7364 CMX7364 RTCM SC135 Compliant RTK Wireless Modem
DE9941A DE9941A - SDR Demonstrator for Industrial IoT Modem Applications

CMX469A

1200/2400/4800 Baud FFSK/MSK Modem

General purpose audio-band FFSK modem data-pump
Modulation Schemes
1200 2400 4800
Data Range (kbps)
3.0 - 5.5
Supply Voltage (V)
3.0 - 5.5
Typ. Current (mA)
4.5
Package Type
20-SOIC 24-TSSOP
Explore CMX469A -1200/2400/4800 Baud FFSK Modem

CMX589A

Full-duplex GMSK Modem

General purpose high speed GMSK modem data-pump
Modulation Schemes
GMSK/GFSK
Data Range (kbps)
<= 200
Supply Voltage (V)
3.0 - 5.5
Typ. Current (mA)
4
Package Type
16-SOIC 16-TSSOP
Explore CMX589A – Versatile Full-duplex GMSK Modem

CMX602B

Calling Line Identifier Plus Call Waiting

Featurephone applications
Data
V.23 Demodulation
Signalling
CLI Decoder CIDCW Decoder
Supply Voltage (V)
2.7 - 5.5
Typ. Current (mA)
0.5
Package Type
16-pin SOIC TSSOP
Explore CMX602B – Calling Line Identifier plus Call Waiting CLI and CIDCW

CMX673

Call Progress Tone Detector

Universal call progress detector
Signalling
Single Call Progress Dual Tone Detectors
Supply Voltage (V)
2.7 - 5.5
Typ. Current (mA)
0.5
Package Type
16-pin SOIC 20-pin TSSOP
Explore CMX673 – Call Progress Tone Detector

CMX683

Call Progress Tone Detector Plus Voice Detector

Call progress detector with voice detection
Signalling
Single Call Progress Dual Tone Detectors
Supply Voltage (V)
2.7 - 5.5
Typ. Current (mA)
0.6
Package Type
16-pin SOIC TSSOP
Explore CMX683 – Call Progress and Voice Detector

CMX7143

Multi-mode Wireless Data Modem

Multi-mode packet data modem for FR LD systems
Modulation Schemes
FFSK/MSK GMSK/GFSK 4FSK
Data Range (kbps)
FFSK <=2.4 GMSK <=19.2 4FSK <=20
Supply Voltage (V)
3.0 - 3.6
Typ. Current (mA)
Rx 11.7 Tx 15.7
Package Type
48-VQFN 48-LQFP
Auxiliary Features
ADCs, DACs System Clocks GPIO RAMDAC
Explore CMX7143 – Multi Mode Data Modem

CMX7146

BPSK Wireless Data Modulator

Small low power BPSK Modulator
Modulation Schemes
BPSK/PRK/2PSK
Data Range (kbps)
0.6 - 9.6
Supply Voltage (V)
3.0 - 3.6
Typ. Current (mA)
7 (1200bps) 15 (9600bps)
Package Type
48-VQFN
Auxiliary Features
ADCs, DACs System Clocks GPIO RAMDAC
Explore CMX7146 – BPSK Wireless Data Modulator

CMX7163

QAM (I/Q) Wireless Data Modem

High speed QAM packet data modem for I/Q based systems
Modulation Schemes
4/16/32/64 QAM
Data Range (kbps)
QAM <= 96
Supply Voltage (V)
3.0 - 3.6
Typ. Current (mA)
Rx 18.7 Tx 12.7
Package Type
64-VQFN 64-LQFP
Auxiliary Features
ADCs, DACs System Clocks GPIO RAMDAC
Explore CMX7163 – QAM Modem

CMX7164

Multi-mode (I/Q) Wireless Data Modem

Multi-mode packet data modem for I/Q based systems
Modulation Schemes
GMSK/GFSK 2/4/8/16 FSK 4/16/32/64 QAM V.23 Modem
Data Range (kbps)
GMSK <=19.2 4 FSK <=20 8 FSK <=40 QAM <=96
Supply Voltage (V)
3.0 - 3.6
Typ. Current (mA)
Rx 17.9 Tx 12.7
Package Type
64-VQFN 64-LQFP
Auxiliary Features
ADCs, DACs System Clocks GPIO RAMDAC
Explore CMX7164 – Multi-mode Wireless Data Modem

CMX7364

CMX7364 – Multi-mode High Performance Wireless Data Modem

The CMX7364 is a flexible high performance wireless data modem featuring a high level of integration, including RF ADCs and DACs as well as additional low power data converters for monitoring and control purposes.
Explore CMX7364 – Multi-mode High Performance Wireless Data Modem

CMX7364

CMX7364 RTCM SC135 Compliant RTK Wireless Modem

Real Time Kinematics (RTK) is a method of providing high precision location information using differential GPS.
Explore CMX7364 RTCM SC135 Compliant RTK Wireless Modem

CMX865A

DTMF/FSK Combo

PABX applications
V.23
Yes
V.21
Yes
Bell 202
Yes
Bell 103
Yes
DTMF
Yes
Supply Voltage (V)
3.0 - 5.5
Typ. Current (mA)
1
Package Type
16-pin SOIC
Explore CMX865A – DTMF Codec/FSK Combo

CMX867A

V.22 Modem

Ring Detect, USART Hybrid support, Line equalisation
V.22
Yes
V.23
Yes
V.21
Yes
Bell 202
Yes
Bell 103
Yes
DTMF
Yes
CLI
Yes
Supply Voltage (V)
2.7 - 5.5
Typ. Current (mA)
3
Package Type
24-pin SOIC TSSOP
Explore CMX867A – Low Power V.22 Modem

CMX868A

V.22 bis Modem

Ring Detect, USART Hybrid support, Line equalisation
V.32
/
V.22
Yes bis
V.23
Yes
V.21
Yes
Bell 202
Yes
Bell 103
Yes
DTMF
Yes
CLI
Yes
Supply Voltage (V)
2.7 - 5.5
Typ. Current (mA)
3
Package Type
24-pin SOIC TSSOP
Explore CMX868A – V.22 bis Modem

CMX869B

V.32 bis Modem

Ring detect, USART, Hybrid support, Line equalisation
V.32
Yes
V.22
Yes bis
V.23
Yes
V.21
Yes
Bell 202
Yes
Bell 103
Yes
DTMF
Yes
CLI
Yes
Supply Voltage (V)
3.0 - 3.6
Typ. Current (mA)
8.6
Package Type
24-pin SOIC TSSOP
Explore CMX869B – Low Power V.32 bis Modem

CMX909B

GMSK Packet Data Modem

General purpose GMSK packet data modem
Modulation Schemes
GMSK
Data Range (kbps)
38.4
Supply Voltage (V)
2.7 - 5.5
Package Type
24-TSSOP 24-SSOP
Explore CMX909B – GMSK Packet-Data Modem

CMX969

RD-LAP, MCD4800 Motient/ARDIS Packet Data Modem

RD-LAP, MDC2800, Motient/ARDIS conformance
Modulation Schemes
4FSK FSK
Data Range (kbps)
RD-LAP =19.2 MCD =4.8
Supply Voltage (V)
2.7 - 5.5
Typ. Current (mA)
4
Package Type
24-TSSOP 24-SSOP
Explore CMX969 – Packet Data Modem

DE9941A

DE9941A - SDR Demonstrator for Industrial IoT Modem Applications

The DE9941A is a compact UHF wireless data modem demonstration platform using the CMX994E Direct Conversion Receiver, the CMX998 Cartesian Feedback Loop Transmitter and the CMX7364 High Performance Multi-mode Wireless Data Modem.
Explore DE9941A – SDR Demonstrator for Industrial IoT Modem Applications

FX604/MX604

V.23 Compatible Modem

PABX applications
V.23
Yes
Supply Voltage (V)
3.0 - 5.5
Typ. Current (mA)
1
Package Type
16-pin SOIC
Explore FX604/MX604 – V.23 Compatible Modem

FX614/MX614

Bell 202 Compatible Modem

Ideally suited to WLL, FWT, CWT, Hart applications
Bell 202
Yes
Supply Voltage (V)
3.0 - 5.5
Typ. Current (mA)
1
Package Type
16-pin SOIC
Explore FX614/MX614 – Bell 202 Compatible Modem

FX919B/MX919B

4FSK Packet Data Modem

General purpose 4FSK packet data modem
Modulation Schemes
4FSK
Data Range (kbps)
19.2
Supply Voltage (V)
3.0 - 5.5
Typ. Current (mA)
4
Package Type
24-SOIC
Explore FX919B/MX919B – Half Duplex 4FSK Packet Data Modem
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