










Marconi Instruments 2945A Communications Service Monitor 1 GHz
Model: 2945A
Condition: Used
In stock: 0
SKU: 2955 2D03
- Communication Testers
- RF & Microwave
Choose options











Condition: Used
Marconi Instruments 2945A Communications Service Monitor covering 400 kHz to 1.05 GHz. Calibration expired March 2024; self-test passes. A versatile multi-instrument platform suitable for field servicing and bench use on radio and two-way communication equipment.
What's typically included:
• AC supply lead
The Aeroflex / IFR / Marconi 2945A is a portable Communications Service Monitor designed for production, routine, and maintenance testing of radio transmitters, receivers, and two-way radio communication equipment. It is the lightest, most rugged service monitor in its class, featuring a full-performance spectrum analyser as standard.
The 2945A consolidates the functionality of multiple instruments into a single portable unit, including: RF generator, two audio generators, specialised tones generator, RF power meter, modulation meter, RF counter, AF counter, AF voltmeter, distortion meter, digital storage oscilloscope, spectrum analyser, and monitoring receiver.
Key Features:
• Full duplex operation for simultaneous Tx and Rx testing
• Full-span spectrum analyser with tracking generator and Look and Listen mode
• Automatic harmonic analysis function
• 50 kHz digital storage oscilloscope (DSO) with anti-aliasing
• DTMF and DCS tone generation and decoding
• POCSAG off-air decoding (optional)
• RS-232 interface with screen capture to PC
• GPIB remote control interface
• MI-BASIC interpreter for custom automated test sequences
• PC card slot for storage of test setups, results, and spectrum data
• Operates from AC mains or external 11–32 V DC supply
• Weight under 12 kg for portability to remote sites
Specifications:
Output Frequency Range: 400 kHz to 1.05 GHz
Input Frequency Range (Spectrum Analyser / Modulation Monitor): 100 kHz to 1.05 GHz
Frequency Resolution: 10 Hz
Spectrum Analyser Resolution: 1 kHz
Power Measurement: Up to 150 W (N-Type, limited periods)
Level Accuracy: ±2 dB at all levels above -127 dBm
Duplex Operation: Full duplex (simultaneous Tx/Rx)
Oscilloscope Bandwidth: 50 kHz DSO
AF Bit Rates (POCSAG): 400 to 4800 bit/s
Power Supply: AC mains; external DC 11–32 V
Weight: Under 12 kg (approx. 25 lb)
Interfaces: RS-232, GPIB (IEEE-488), parallel printer port
Compliance: UL3111-1
Aeroflex IFR Marconi 2945A Official Datasheet (PDF) — TestEquipmentHQ: Download PDF
Aeroflex 2945A Communications Service Monitor Data Sheet (PDF) — NSCA Inc: Download PDF
IFR Marconi 2945A Operating User Manual (PDF) — iSurplus: Download PDF
Product Overview
Condition: Used
Marconi Instruments 2945A Communications Service Monitor covering 400 kHz to 1.05 GHz. Calibration expired March 2024; self-test passes. A versatile multi-instrument platform suitable for field servicing and bench use on radio and two-way communication equipment.
What's typically included:
• AC supply lead
Manufacturer's Description
The Aeroflex / IFR / Marconi 2945A is a portable Communications Service Monitor designed for production, routine, and maintenance testing of radio transmitters, receivers, and two-way radio communication equipment. It is the lightest, most rugged service monitor in its class, featuring a full-performance spectrum analyser as standard.
The 2945A consolidates the functionality of multiple instruments into a single portable unit, including: RF generator, two audio generators, specialised tones generator, RF power meter, modulation meter, RF counter, AF counter, AF voltmeter, distortion meter, digital storage oscilloscope, spectrum analyser, and monitoring receiver.
Key Features:
• Full duplex operation for simultaneous Tx and Rx testing
• Full-span spectrum analyser with tracking generator and Look and Listen mode
• Automatic harmonic analysis function
• 50 kHz digital storage oscilloscope (DSO) with anti-aliasing
• DTMF and DCS tone generation and decoding
• POCSAG off-air decoding (optional)
• RS-232 interface with screen capture to PC
• GPIB remote control interface
• MI-BASIC interpreter for custom automated test sequences
• PC card slot for storage of test setups, results, and spectrum data
• Operates from AC mains or external 11–32 V DC supply
• Weight under 12 kg for portability to remote sites
Specifications:
Output Frequency Range: 400 kHz to 1.05 GHz
Input Frequency Range (Spectrum Analyser / Modulation Monitor): 100 kHz to 1.05 GHz
Frequency Resolution: 10 Hz
Spectrum Analyser Resolution: 1 kHz
Power Measurement: Up to 150 W (N-Type, limited periods)
Level Accuracy: ±2 dB at all levels above -127 dBm
Duplex Operation: Full duplex (simultaneous Tx/Rx)
Oscilloscope Bandwidth: 50 kHz DSO
AF Bit Rates (POCSAG): 400 to 4800 bit/s
Power Supply: AC mains; external DC 11–32 V
Weight: Under 12 kg (approx. 25 lb)
Interfaces: RS-232, GPIB (IEEE-488), parallel printer port
Compliance: UL3111-1
Resources
Aeroflex IFR Marconi 2945A Official Datasheet (PDF) — TestEquipmentHQ: Download PDF
Aeroflex 2945A Communications Service Monitor Data Sheet (PDF) — NSCA Inc: Download PDF
IFR Marconi 2945A Operating User Manual (PDF) — iSurplus: Download PDF
ISO Certified
We are proud to hold the ISO 9001:2015 certification by a UKAS accredited body.
Sell Your Equipment
Receive best prices for your un-used/surplus equipment. Talk to one of our experts for a hassle-free transaction
Worldwide delivery
We deliver on an express service globally with most packages delivered in less than a week
Customer Satisfaction
We pride ourselves in providing an excellent service from start to finish.
Top Rated Seller
Our feedback says it all! We have shipped to over 100 countries all over the world and our customers couldn't be happier!