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AQT8-QAM 8x8VSB/QAM to QAM/IP ATSC/QAM Transcoder by Blonder Tongue

AQT8-QAM 8x8VSB/QAM to QAM/IP ATSC/QAM Transcoder by Blonder Tongue

Out of stock
AQT8-QAM (8x8VSB/QAM to QAM/IP) allows the user to create a line up from off-air and/or cable feeds for coax or IP distribution. The unit simultaneously transcodes eight (8) QAM/8VSB input channels to pass thru (8) QAM and (8) IP transport streams.
  • Brand
    Blonder Tongue
  • SKU
  • Weight
    12.00 lbs
  • Warranty
    1 Year
  • Condition
  • Status
Questions? Ask our experts!


AQT8-QAM transcoder allows the user to create a line up from off-air and/or cable feeds for coax or IP distribution. The unit simultaneously transcodes eight (8) QAM/8VSB input channels to pass thru (8) QAM and (8) IP transport streams. The unique MPEG tables (PAT, PMT, PSIP, VCT, MGT, RRT, EIT and ETT) associated with all programs contained in the RF inputs (major and minor channels) are transferred to both the QAM and IP outputs. This means the virtual output channel numbers, names, program information, etc. on the QAM and IP outputs are the same as their RF input sources.

The AQT8-QAM features Emergency Alert System (EAS) program switching through either an ASI or IP format EAS input and terminal block contacts for triggering. When EAS is invoked, all QAM and IP output programs are interrupted to display the EAS message.

Comprehensive remote monitoring and control is accomplished using any standard Web browser via a rear-panel 10/100BaseT Ethernet connection.

  • Accepts up to eight 8VSB or QAM channel inputs
  • Maps QAM/8VSB input programs directly to QAM output channels and IP transport streams simultaneously
  • Provides comprehensive GUI-based monitoring and control via standard Web browsers
  • Supports Closed Captioning EIA-608 and EIA-708 when embedded in RF input(s)
  • Accepts EAS input in ASI or IP formats
  • EAS messaging on both QAM and IP outputs
  • Provides in-service monitoring of selected input/output ports via RF Test connector and ASI output


Emergency Alert System
8VSB/QAM: 8x “F” Female
8VSB Mode
Standard: ATSC Digital Television A/53E
Tuning Range: UHF (Ch. 14-69), VHF (Ch. 2-13)
Data Rate: 19.392 Mbps
Bandwidth: 6 MHz
Power Level: -20 to +20 dBmV
Impedance: 75 ohm
QAM Mode
Standard: ITU-T J.83 - Annex A & B (64 and 256 QAM)
Tuning Range: CATV Ch. 2-135 (STD, HRC, IRC)
Data Rate: 38.8 Mbps (QAM 256); 26.97 Mbps (QAM 64) – Auto Detect
Bandwidth: 6 MHz
Power Level: -15 to 20 dBmV (@ QAM 256)
-20 to 20 dBmV (@ QAM 64)
Impedance: 75 ohm
Connector: 1x BNC Female
Standard: DVB-ASI; EN 50083-9 (SPTS)
Connector: 1x RJ45
Standard: 10/100Base-T
UDP/RTP: Supported (user-selectable)
Video Bit Rate
Single program video bit rate of 2.5 Mbps (typical). The EAS program bit rate must not exceed the lowest program video bit rate it will replace. For example, EAS at 2.5 Mbps will not work for a program at 2.0 Mbps.
Connectors: Terminal Block
Trigger Mechanism: 5-12 VDC & Dry Contact Closure


Dimensions (W x D x H): 19.0 x 16.0 x 1.75 inches (483 x 363 x 44 mm)
Power: 110 /230 VAC 60/50 Hz
Power Dissipation: 70 W
Weight: 12 lbs (5.5 kg)
Operating Temperature: 32 to 122 °F (0 to 50 °C)
Storage Temperature: -13 to 158 °F (-25 to 70 °C)
Operating Humidity: 0 to 95% RH @ 35 °C max, non-condensing
Storage Humidity: 0 to 95% RH @ 35 °C max, non-condensing


Connectors: 1x RJ45 (Rear-panel)
Standard: 1000Base-T Ethernet (GigE)
UDP/RTP: Supported (user-selectable)
Address Assignment: 8x IPv4 addresses & port numbers (user-selectable)
No. of Output Modules: 2 Quad-QAM
Connector: 1x “F” Female (rear-panel; for combined outputs)
Modulation: QAM 16, 32, 64, 128, and 256
Standards: ITU-T J.83; Annex A and B
DVB Symbol Rate: Variable; up to 7 MSymbol/sec (MBaud)
Frequency Range: 54 to 1002 MHz
Tuning: CATV Channel Selectable (Ch. 2 to 158)
Channels' Bandwidth: 2x 24 MHz (4x Adjacent 6 MHz)
No. of Programs: Variable (not to exceed 38.8 Mbps, Pass-thru of input source)
RF Level: +40 dBmV, ± 1 dB increment
RF Level Adjustment: +35 to +42 dBmV, 1 dB increment
Frequency Tolerance: ± 0.5 kHz @ 77 °F (25 °C)
Frequency Stability: ± 5 kHz over 32 to 122 °F (0 to 50 °C)
Amplitude Flatness: ± 0.25 dB (over 6 MHz channel)
Phase Noise: -98 dBc (@ 10 kHz)
Spurious: -60 dBc
Broadband Noise: -70 dBc (@ +35 dBmV output level, 5.5 MHz bandwidth)
Impedance: 75 ohm
QAM Spectrum: Inverted
Carrier Suppression: 45 dB
Return Loss: 14 dB typical
Signal-to-Noise Ratio (SNR): 40 dB typical
MER: 39 dB typical
I/Q Phase Error: Less than 1 degree
I/Q Amplitude Imbalance: Less than 1%
Connectors: 1x BNC Female
Standard: DVB-ASI; EN 50083-9


Local Monitoring: 8 Channel LEDs
1x Power LED
Local Control: 1x IP Reset Button
Remote Monitoring/Control: GUI-based menu via standard Web browser
(1x RJ45 rear panel connector; 10/100Base-T)


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UPS provides up-to-date tracking information. Ground service takes anywhere from 2-7 working days for delivery depending on destinations.UPS Ground does not deliver on Saturdays, Sundays or Holidays.

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Air Shipment
Air shipments, Overnight, 2nd day and 3 day select methods offer guaranteed delivery time for your shipment. If you are in hurry or in need for the items on schedule, select one of these methods. Up-to-date tracking information is provided with each Air Shipment. AVProSupply has the right to choose between Air shipments to meet or reduce delivery time. For guaranteed delivery of multiple items with expedited shipping, please contact our customer service representative for personalized assistance to get your items delivered to you when you need them.

International Customers
We offer shipping via USPS/UPS for our international customers. You can find different shipping options during checkout.

Most items ordered from AVProSupply will be shipped out from our California Warehouse. Will-Calls are only allowed with Appointment Only - Please call Customer Service to set one up between the hours of 9am to 6pm PST.


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Wire Transfer: ( Bank Transfer ) Only for the amount over $500. Contact us for the bank details.
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Purchase order: Fax purchase orders to 1.916.672.2557

We Offer A 30-Day Money Back Guarantee: 
Our main goal is to ensure your complete satisfaction with our service and products. If, for any reason, you are not 100% satisfied with your purchase, you can return it within 30 days of the purchase date for a full refund. Our 30-day money back guarantee applies to all of the products we sell, except for: TVs and monitors 20" and larger, Special Order merchandise, or any item indicated as non-returnable. Shipping is not refundable. Prior to returning your purchase, a Return Merchandise Authorization (RMA) number will be provided to you.

Refunds on returned items will be issued in the same payment form as received from the customer at the time of purchase. Once we receive the product and it passes inspection, we will credit your account. Please allow 3 - 6 business days for a credit to appear on your account.

If the item was sent back to us for an exchange, please allow 3 - 5 business days for the replacement to be processed.

No Returns/Exchanges on the following:

TVs and monitors 20" and larger
Special Order merchandise
Any item indicated on the website as non-returnable

For more information see our official Return Policy

  • Shipping Info
    We offer free ground shipping on every purchase of $300 and more for US and US territory. We deliver worldwide.
  • Payment Methods

  • Return Policy
    We Offer a 30-Day Money Back Guarantee