Viavi (Aeroflex IFR)
Marconi IFR Aeroflex COM120B
100 kHz to 1000 MHz Frequency Range
-137 dBm to +13 dBm RF Output Level
AM, FM, PM, SSB, DSB, pulse modulation Modulation Types
Up to 150 kHz FM Deviation Range
0% to 99.9% AM Depth Range

| Attribute | Value |
|---|---|
| Frequency Range | 100 kHz to 1000 MHz |
| RF Output Level | -137 dBm to +13 dBm |
| Modulation Types | AM, FM, PM, SSB, DSB, pulse modulation |
| FM Deviation Range | Up to 150 kHz |
| AM Depth Range | 0% to 99.9% |
| Frequency Resolution | 1 Hz |
| Receiver Sensitivity Measurement | Built-in SINAD and distortion measurement capability |
| Audio Frequency Range | 20 Hz to 20 kHz |
| Power Requirements | 90 to 265 VAC, 48 to 66 Hz, auto-ranging |
| Interface / Connectivity | GPIB (IEEE-488) and RS-232 remote control interfaces |
Marconi IFR Aeroflex COM120B Options:
- COM120B - 120B-3 - COM-120B Service monitor; 30 kHz IF Filter
- COM120B - 120B-3-C - 120B-3 with Certificate of Calibration
- COM120B - 120B-3T - 120B-3, 0.01 ppm OCXO time base
- COM120B - 120B-3T-C - 120B-3, 0.01 ppm OCXO time base with Certificate of Calibration
- COM120B - 120B-8 - COM-120B, SSB Receive filter
- COM120B - 120B-8-C - 120B-8 with Certificate of Calibration
- COM120B - 120B-8T - 120B-8 with 0.01 ppm OCXO time base
- COM120B - 120B-8T-C - 120B-8 with 0.01 ppm OCXO time base with Certificate of Calibration
- COM120B - AC510 - Paging encoder (FLEX)
- COM120B - AC0600 - Maintenance manual
- COM120B - AC1009W - EasySpan for Windows (Waveform Transfer Software)
- COM120B - AC1022 - EasyCom-B
- COM120B - AC1023 - Applications library
- COM120B - AC1025 - EasySweep (requires AC3012)
- COM120B - AC1037 - Autocell-NT (requires 120E or 120F)
- COM120B - AC1201 - Telescopic antenna
- COM120B - AC3001 - Internal rechargeable battery
- COM120B - AC3007 - Data generator/BER meter
- COM120B - AC3009 - RCC Signaling
- COM120B - AC3011 - Digital/Analog Sampling
- COM120B - AC3012 - Tracking generator
- COM120B - AC3013 - IEEE-488
- COM120B - AC3014 - CLEAR CHANNEL LTR
- COM120B - AC3015 - AMPS Mobile station test (requires 120E or 120F)
- COM120B - AC3016 - EDACS
- COM120B - AC4101 - Return loss bridge (5 MHz to 1 GHz)
- COM120B - AC8645 - Microphone
- COM120B - AC9161 - MPT-1327 Trunking
- COM120B - AC9162 - 7.5 kHz IF Filter
- COM120B - AC9925 - Soft padded carrying case
| Model | COM120B |
|---|
The Marconi IFR Aeroflex COM120B is a compact communication test set offering precise AM/FM signal analysis, frequency error detection, and SINAD measurement. Designed for versatility and portability, it provides accurate testing and diagnostic capabilities in one unit.
This device is ideal for field or lab use, measuring modulation characteristics, receiver performance, and audio signal integrity with high precision.
Testwall can supply the used Marconi IFR Aeroflex COM120B, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Marconi IFR Aeroflex COM120B.





