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Professional Test Solutions, Encoders, Decoders, TRanscoders, PlayServers, and Ad Inserters to Help you Migrate to IP

QAM Test Equipment: Portable QAM RF And Transport Stream Analyzer QAM To IP And Cable System QAM 256 Field Probe For Subscriber Loop Testing QAM RF Capture

Home >> Test Equipment >>QAM signal capture QAM and DVB-C Analyzer QAM Extender, and Cable System QAM Probe for Subscriber Loop Testing



QAM RF Catcher

Affordable USB-3 connected 70 MHz to 6 GHz RF Capture Appliance. Able to capture and replay your modulated QAM RF.


DiviCatch™ QAM

QAM RF and Transport Stream Analyzer for locating difficult intermittent problems


QAM logo     DVB-C-logo
RF Catcher Tool DiviCatch RF-C with Cear Channel QAM interface

Affordable yet comprehensive device for remote 24/7 full ETR 290 monitoring and error logging of QAM channels.  Decodes and monitors RF parameters and ETR 290 compatibility and errors in MPEG transport streams (PAT, PMT, NIT, SDT, CAT, TDT, and TOT).  With its powerful carrier search engine, it is able to find and analyze all available RF channels.  Detects missing audio or video streams.  Measures and reports via email the essential parameters of both RF and digital signals at an exceptional price/quality ratio.  RF coax input.

Comprehensive raw RF capture tool with 512 MB memory for off site analysis of RF parameters. Captures Cable, TV broadcast, FM, Satellite, Wi-Fi, and 8VSB. Ideal Cable System QAM Analysis tool for Field or Head End RF Analysis. Suitable for Digital and Analog Networks.

Professional Self Powered Clear Channel QAM and DVB-C RF and Transport Stream Signal Analysis Tool for Analyzing, Storing, and Viewing QAM and DVB-C Modulated (RF) MPEG-2 transport streams using any PC with a USB-2 interface. Comes set up for North American Clear Channel QAM (Annex B) and DVB-C. Equipped with loop through RF connectors feeding internal tuner. Ideal for field or head end RF analysis and capture of faulty QAM signals onto a laptop and determination of parameters like missing constellations, MER, EVM, or missing PIDs along with typical MPEG-2 TS bouquet parsing. Also will continuously forward selected Transport Streams to your office via built in IP encapsulator via the laptop's IP port. This can be a long term data logger… Many Cable Senior Engineers prefer this to QAM hand tools since this is a PC tool with better analysis and long term capture capability.

Standard Features:

  • Remote 24/7 analysis and monitoring of QAM broadcasts
  • MPEG PSIP table Monitoring – SDT, NIT, PMT, TOT, TDT, CAT
  • PID Alarms – monitoring digital audio and video channels for all available RF channels
  • Comprehensive transport analysis, including ETR 101 290 priority level 1, 2 and 3 errors
  • Scans and reports on complete band of QAM
  • Programmable sampling rate
  • Embedded web server for easy configuration and control
  • E-mail notifications and alarms for timely support
  • SNMP, Alarms and Log
  • Measures MER, BER,VBER, CBER, C/N, SNR, level
  • Easy to set up and configure. No software required. Just enter the web site of the device.
  • Logs alarm messages with accurate time
  • SNMP configuration and control for large CATV broadcast networks
  • Future proof – supports remote firmware upgrades
  • Supports ITU-J83 annex B
  • Extremely competitive price


  • Monitor QAM headends for corrupted signals or carrier loss
  • Monitor remote points of CATV networks
  • Monitor QAM broadcasts in remote areas
  • Comply with legal requirements for monitoring broadcast channels


  • Status indicators: USB connection / IQ sample loss / In band saturation (ADC) / Out of band saturation (LNA)
  • FFT display: Spectrum measurements: FFT resolution, FFT markers insertion / Averaging functions: RMS, min/max hold / FFT window functions: rectangular, Hamming, Blackman, Hann…
  • FFT Resolution bandwidth (RBW): 30 Hz (for 2 MHz) to 210 kHz (for 56 MHz)
  • Signal waterfall plot (three-dimensional spectra)
  • RF capture: variable gain, automatic gain setting (AGC)
  • RF playback: variable attenuation
  • Lightweight and compact 163 x 115 x 27 mm, 600 g, 2 W power consumption
  • Connected to PC via USB3.0 connectivity (SuperSpeed) (USB2 backward compatible, but offers lower performances due to limited USB2 bitrate)
  • IQ files stored on the PC: 12 Msps sample rate, 170 min of record = 512GB

Standard Features:

  • RF Signal Quality Analyzer
  • Real Time MPEG-2 or H.264 Transport Stream Analyzer
  • Transport Stream Capture and Viewer
  • 2-in-1 product: RF + Baseband
  • 1 RF input for Digital Cable (QAM Annex A, B, C Capable)
  • 1 DVB-ASI input
  • Includes Control and Analysis Software
  • RF Analysis and Lock on a Digital Cable Channel
  • Cable RF Front End (QAM Annex A, B, C Capable)
  • RF Analysis and Lock on a Digital Cable Channel
  • DiviCatch real-time TS Capturing features -- scheduled recording capacity, multi-files/circular recording, and TS packets timestamping
  • Support for HD and SD streams
  • TS over IP streamer -- TS over UDP, Unicast or Multicast
  • Command Line Package for Automated Testing
  • Robust metallic housing, USB self-powered
  • Pocket sized -- 5.3" x 2.42" x 1.06" deep (134.7 mm x 61.45 mm x 27 mm deep)
  • Support for Windows® 7 32 bit


  • Digital Cable broadcast test and monitoring
  • RF reception quality measurement
  • Ideally suited to head end or field testing
Full Data Sheet pdf QAM analyzer

Screenshot  Screen shots of User Interface

QAM Tutorial  Video Tutorial for QAM

Probium QAM™

Hand Held Field QAM analyzer with typical BER and MER and Constellation measurements

OnRamp™ QAM 16 Tuners/IP

16 Clear QAM Tuners In with 40+ Untranscoded MPEG-2 IP Streams Out

Probium QAM OnRamp QAM 8 Tuner/IP

Gearbox logo
linux  iptv Intel Platinum Partner Web RTC logo

Rugged Comprehensive Handheld QAM/DVB-C Digital Signal Analyzer. Measures Signal Strength, BER, MER, Constellations, etc. 5 to 870 MHz Fast, Sensitive Spectrum Analyzer. Ideal Cable System QAM Analyzer for Field or Head End RF Analysis. Suitable for Digital and Analog Networks.

Professional Sixteen Channel Linux® Based Analog, Encrypted, or Digital Clear QAM to IP Gateway that Integrates Our PC Bus Based QAM RF Receivers and De-encapsulates and Routes Selected or All Transport Streams to Any MAC Address via IP. Can Work as a Low Cost “Front End” in Small VOD Implementations. Typically the Desired Streams are Streamed in Real Time using UDP, RTP, or HTTP, via IP Multicast or Unicast Streams to IP Set Top Boxes (STB's), Video Servers, or Designated VLC or JW Player Equipped PC Clients for Viewing.

Standard Features:

  • RF Signal Quality Analyzer
  • Digital measurements:
  • Average power, pre/post FEC BER, MER, constellation
  • Analog measurements:
  • Amplitude measurement (displayed individually, as a group, or as a full-span display)
  • Simultaneously displays video carrier and audio carrier strength, and V/A measurement
  • Carrier-to noise ratio
  • Trunk voltage
  • Tilt measurement of 5-12 user definable
  • Single-channel spectrum mode displays the presence of interfering beats in addition to carrier
  • Full scan, single channel spectrum analysis, spectrum analysis of other ranges
  • Extended and flexible data storage and data logging
  • Up to 10 learned channel plans
  • Two user defined channel plans
  • Limit measurement and automated FCC proof of performance testing
  • Data logging – save files for level, spectrum, scan, limit test and auto-test measurements
  • Large 320x240 color LCD display with back light
  • High performance battery
  • Durable and compact


  • Digital Cable broadcast test and monitoring
  • RF reception quality measurement
  • Head end or field testing

Standard Features:

  • Encapsulates transport streams into IP packets
  • Simultaneously receives one to sixteen QAM inputs – analog, encrypted, or digital clear QAM
  • IP Output: IP – UDP, RTP, HTTP
  • MPEG-2 inputs and outputs or H.264 inputs and outputs
  • Forwards encrypted content in “Stream All” mode – ideal for hotels with IP TV’s
  • Supports SD and HD formats
  • Incorporates PID filtering
  • 600 Mbps IP raw output capability
  • Transmits PAT, PMT, and PCR information in “stream all” mode
  • Remote configuration management via Web Browser and Secure Shell (SSH)
  • Supports NTSC or PAL content
  • Based on embedded Linux®
  • Available with optional DC Power supply


  • IPTV Unicasting, Multicasting, Streaming
  • Telco TV ingest 
  • Streaming to designated VideoLAN VLC or similar clients, or to Roku®, Amino™, or other set-top boxes
pdf pdf

OnRamp Quick Start Guide Quick Start Guide (pdf)