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    Certificate TW12/11128



BAT1 series
RP Band Attenuator


* Support DOCSIS 3.1, 1218 MHz

* Built-in HPF

* DC Block

* Excellent Return Loss

* Excellent Curve

* Dual Layer Brass Tubes Hosing

* High RFI Shielding

* Precision Connector Thread

* Excellent Mechanical Structure

* Exquisite Plating Quality

* Good Weather Resistance
75 Ohm Band Attenuator

The BAT1 series is our standard type return path band attenuator with high pass filter. It is designed for application in CATV system to attenuation return path signal.

The BAT1 series selectively attenuates only the return path signal while not influencing the forward path signal in a cable network.

A built-in high pass filters keeps unused portions of the return path (below 15, 18 or 20 MHz) noise-free.

Typically, the return path attenuation value varies from -3dB to -15dB in 3dB increments. The common separation frequencies are 42/ 54 MHz, 65/ 85 MHz, 85/ 108 MHz and 204/ 258 MHz.

If there are other different return path attenuation values and separation frequency requests, please contact us and we can also design.

Model Attenuation Model Attenuation
BAT1 - 6503H12W   3dB BAT1 - 6505H12W   5dB
BAT1 - 6506H12W   6dB BAT1 - 6510H12W 10dB
BAT1 - 6509H15W   9dB BAT1 - 6515H15W 12dB
BAT1 - 6512H18W 12dB    
  Electrical Curve ( BAT1-6509H15W )

Insertion Loss  |  Return Loss
SPAN 1000MHz
Fig 1

Insertion Loss  |  Return Loss
Fig 2
  General Specifications
  Item BAT1 - 6509H15 BAT1 - 6509H15W
  Power Passing NO NO
  Waterproof NO YES
  Impedance 75 ohm
  Frequency Range 5 - 1000MHz
  Insertion Loss (15-65MHz) 9dB (typ)
  Insertion Loss (85-1000MHz) 0.5dB (typ)
  Return Loss (15-65MHz) 20dB (typ)
  Return Loss (85-1000MHz) 18dB (typ)
  Dimensions 21(¢) x 73 mm
  Net Weight 60g
 * Specifications may be change depending on the model or customer's requirement.


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