Product and Service

High Attenuaiton Filter for Ham Radio User

High Attenuation Standard Helical Filter for Ham Radio User
 
Temwell Ham Radio Standard Bandpass Filter has great response from all over the world. In order to make customers having better filters, we upgrade all Ham Radio standard filter in to higher level as 4 Pole bandpass Filter, which provide 10 dB better Attenuation value from current items in list. All 6 standard frequency spec, Fo=146MHz, 232.5MHz, 435MHz, 915MHz, 1270MHz,1282.5MHz are all available. You should see what great they
are as bellow spec sheet.
 
Surely, these list will be ready in our online shop. You could order to have a trail without delay. Welcome to contact us for more detail discussion.
 

 
A. Frequency: 146MHz Spec (Freq / BW) Size (LxWxH)   Accepted Type
TF69709B-146M 146MHz / 5MHz TF (30.5x7.6x12.5) Pin Type / Module Type
TF69281A-146M 146MHz / 8MHz TF (30.5x7.6x12.5) Pin Type / Module Type

B. Frequency: 223.5MHz Spec (Freq / BW) Size (LxWxH)  Accepted Type
TF6434B-223.5M 223.5MHz / 8MHz TF (30.5x7.6x12.5) Pin Type / Module Type

C. Frequency: 435MHz Spec (Freq / BW) Size (LxWxH)  Accepted Type
TF69410B-435M 435MHz / 31MHz TF (30.5x7.6x12.5) Pin Type / Module Type
TF69295B-435M 435MHz / 34MHz TF (30.5x7.6x12.5) Pin Type / Module Type
TFW4630B-435M 435MHz / 26MHz TFW (22.4x5.6x8.6) Pin Type / Module Type

D. Frequency: 915MHz Spec (Freq / BW) Size (LxWxH)  Accepted Type
TF69748B-915M 915MHz / 26MHz TF (30.5x7.6x12.5) Pin Type / Module Type
TF69550E-915M 915MHz / 27MHz TF (30.5x7.6x12.5) Pin Type / Module Type
TFW4553B-915M 915MHz / 29MHz TFW (22.4x5.6x8.6) Pin Type / Module Type
TFW4684B-915M 915MHz / 25MHz TFW (22.4x5.6x8.6) Pin Type / Module Type

E. Frequency: 1270MHz Spec (Freq / BW) Size (LxWxH)  AcceptedType
TF69810B-1270M 1270MHz / 60MHz TF (30.5x7.6x12.5) Pin Type / Module Type
TFW4759B-1270M 1270MHz / 65MHz TFW (22.4x5.6x8.6) Pin Type / Module Type

F. Frequency: 1282.5MHz Spec (Freq / BW) Size (LxWxH)  Accepted Type
TF64753D-1282.5M 1282.5MHz / 25MHz TF (30.5x7.6x12.5) Pin Type / Module Type
TF69751B-1282.5M 1282.5MHz / 27MHz TF (30.5x7.6x12.5) Pin Type / Module Type
TFW4575B-1282.5M 1282.5MHz / 29MHz TFW (22.4x5.6x8.6) Pin Type / Module Type