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UBS is a recognized leader in the design and manufacture of antenna products, Waveguide and Coaxial
Filters, Isolators, Couplers and Circulators.
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Adapter (Waveguide to Coax) Series: 121
UBS offers a standard product line of precision rectangular waveguide-to-coax adapters covering waveguide sizesfrom WR-28 through WR-430.
Ordering Information
Flange Configuration
| Flange Type |
C - Cover
G - Groove
CHOKE
CMR
CPR
CPR (F,G) |
| Flange Mounting Holes |
T1 - Through Holes
T2 - Threaded
A - Alternating |
STANDARD FINISH: is electroless corrosion protection for the metal surface. Non standard configurations and finishes (Silver, Nickel, Cadmium plating) are available upon request. Waveguide sizes up to WR-650 available. Contact our sales department with your requirements.
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Specifications
Series No.
and Size |
Frequency
(GHz) |
Dimensions
(inches) A |
| SMA-type |
N-type |
| A |
B |
A |
B |
| 121 - WR28 |
26.50 - 40.00 |
- |
- |
- |
- |
| 121 - WR34 |
22.00 - 33.00 |
- |
- |
- |
- |
| 121 - WR42 |
18.00 - 26.00 |
1.00 |
0.75 |
- |
- |
| 121 - WR51 |
15.00 - 22.00 |
1.12 |
0.82 |
- |
- |
| 121 - WR62 |
12.40 - 18.00 |
1.01 |
0.79 |
1.67 |
1.42 |
| 121 - WR75 |
10.00 - 15.00 |
1.01 |
0.65 |
1.38 |
1.09 |
| 121 - WR90 |
8.20 - 12.40 |
1.07 |
0.72 |
1.65 |
1.24 |
| 121 - WR112 |
7.05 - 10.00 |
1.42 |
1.03 |
1.88 |
1.45 |
| 121 - WR137 |
5.85 - 8.20 |
1.57 |
1.03 |
2.13 |
1.61 |
| 121 - WR159 |
4.09 - 7.05 |
2.00 |
1.40 |
2.38 |
1.76 |
| 121 - WR187 |
3.95 - 5.85 |
3.50 |
2.80 |
2.41 |
1.65 |
| 121 - WR229 |
3.30 - 4.90 |
3.50 |
2.70 |
2.41 |
1.47 |
| 121 - WR284 |
2.60 - 3.95 |
4.00 |
2.70 |
2.66 |
1.46 |
| 121 - WR340 |
2.20 - 3.30 |
- |
- |
3.52 |
2.12 |
| 121 - WR430 |
1.70 - 2.60 |
- |
- |
4.50 |
2.62 |
Electrical Specifications
Please view these examples to help you generate a desired waveguide's part number, or simply contact our sales department. We will be pleased to assist you with your order. |
End Launch Adaptor (Waveguide to Coax) Series 121E
Ordering Information
|
Flange Configuration
| Flange Type |
C - Cover
G - Groove
CHOKE
CMR
CPR
CPR (F,G) |
| Flange Mounting Holes |
T1 - Through Holes
T2 - Threaded
A - Alternating |
STANDARD FINISH: is electroless corrosion protection for the metal surface. Non standard configurations and finishes (Silver, Nickel, Cadmium plating) are available upon request. Waveguide sizes up to WR-650 available. Contact our sales department with your requirements.
|
Specification Examples
| Adapter Model |
Coaxial
Connector |
Operation
Frequency Range |
Return Loss |
Note |
| 121E - 28 - 2.4 - F - C - T1 |
2.4mm |
27.5 - 31 GHz |
>24 dB |
30% of WR28
full range |
| 121E - 42 - 2.4 - F - C - T1 |
2.4mm |
18.5 - 23.5 GHz |
>28 dB |
60% of WR42
full range |
| 121E - 42 -SMA - F - C - T1 |
SMA (F) |
18 - 26.5 GHz |
>21 dB |
WR42
full range |
| 121E - 51 -SMA - F - C - T1 |
SMA (F) |
15 - 22 GHz |
>21 dB |
WR51
full range |
| 121E - 159 -SMA - F - CPR - T1 |
SMA (F) |
4.9 - 7 GHz |
>24.5 dB |
WR159
full range |
| 121E - 187 -SMA - F - CPR - T1 |
SMA (F) |
3.95 - 5.85 GHz |
>25 dB |
WR187
full range |
| 121E - 340 - 7/8 - CPR - T1 |
7/8 EIA |
2.2 - 2.8 GHz |
>31 dB |
55% of WR340
full range |
Note: Other waveguide sizes are available
WR340 to 7/8 EIA End Launch Adapter
 
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