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Blonder Tongue Professional Agile Modulator - 30dBmV 300-550MHz 2 Channels (HAVM-2HA)

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Blonder Tongue Professional Agile Modulator - 30dBmV 300-550MHz 2 Channels (HAVM-2HA)

Brand: Blonder Tongue           P\N: HAVM-2HA          

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Availability: Discontinued

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Solid Signal is an Authorized Reseller of Blonder Tongue products.
Solid Signal is an Authorized Reseller of Blonder Tongue products.
The HAVM Series includes consumer quality, double side band agile modulators, designed for use in multi-room video distribution systems to provide additional video sources, such as security cameras, laser disks, etc. Four models are available, including 1 or 2 channels and 300 to 550 MHz or 470 to 806 MHz frequency coverage.


  • +28 dBmV output level (Combined)

  • Agile channel via front panel controls and LED display

  • CATV or UHF channel map selection via rear panel switch

  • Non-volatile memory retains channel information after power interruptions


The HAVM Series has a rear panel switch for selecting either CATV (Hyperband) or UHF (Broadcast) channels, depending on the desired application. These economically priced modulators provide very good picture quality for non-adjacent channel use. Agile channel selection makes setup fast and easy. Non-volatile memory ensures last channel recall even after a power outage. The HAVM Series products are housed in a standard cable converter style case with a rugged plastic front panel. LED display(s) and channel up/down buttons permit easy selection of the desired channel(s).

Technical Specifications for HAVM Series Agile Modulators


    Frequency Range
    HAVM-1HA & HAVM-2HA - CATV: 300-550 MHz
    HAVM-1HA & HAVM-2HA - UHF: 470-550 MHz
    HAVM-1UA & HAVM-2UA - CATV: 550-800 MHz
    HAVM-1UA & HAVM-2UA - UHF: 470-806 MHz
    Output Level: +28 dBmV
    Visual Carrier Frequency Tolerance: ±25 kHz
    Aural Carrier Frequency
        Offset from Visual Carrier: +4.5 MHz
    Spurious Outputs - Minimum: -50 dBc
    Channel Memory: Non-Volatile
    Output Impedance: 75 Ohms
    Output Return Loss: 12 dB

    Input Level: 1.0 Vp-p
    Frequency Response fv-0.5 MHz to fv+4.2 MHz:
        ±2 dB
    P-P Video to RMS Hum Ratio: 60 dB
    Video Signal-to-Noise Ratio, Weighted: 55 dB
    Input Impedance: 75 Ohms

    Input Level: 1.0 (b) Vp-p
    Frequency Range: 50 Hz to 15 kHz
    Frequency Response: ±2.0 dB
    Input Impedance: 600 Ohms, unbalanced

Sub-Carrier Audio
    Frequency (MHz): 4.5 MHz
    Stability (kHz): ±10 kHz

    Power Requirements
        Voltage: 117, ±10% VAC
        Frequency: 60 Hz
        Power: 6 / 10 W
    Temperature Range: 0 to +50 °C

    Dimensions (W x H x D):
        8.00 x 2.00 x 5.75 in.
        203 x 51 x 146 mm
    Weight: 2.25 lbs., 1.02 kg

    Video Input(s): RCA Female
    Audio Input(s): RCA Female
    RF Output: "F" Female

    Power ON/OFF: Push Button
    Channel UP/DOWN: Push Button
    Hyper/UHF Select: Slide Switch - Rear Panel

    Power On: LED
    Channel(s) HAVM-1HA & HAVM-1UA:
        1-3 Digit, 7
    Segment LED HAVM-2HA & HAVM-2UA:
        2-3 Digit, 7 Segment LED


Product Reviews for Blonder Tongue Professional Agile Modulator - 30dBmV 300-550MHz 2 Channels (HAVM-2HA)

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Average Review (1 reviews):5 Star Reviews!

Five Stars:
 1 (100%)
Four Stars:
 0 (0%)
Three Stars:
 0 (0%)
Two Stars:
 0 (0%)
One Star:
 0 (0%)
Recent Review:
Jim - South Carolina, South Carolina - 3/28/2013
Clean Signal-Great Modulator

Customer Reviews:
Clean Signal-Great Modulator
- South Carolina, South Carolina -
One of the few units that does hold channel memory during power failure.Picture quality is outstanding.I will order a second unit.Disappointed in the organization purchased from - Solid Signal.[...] lack of communications from their organization. [...]

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