Application - Temwell Filter Store: Standard Helical Filter

2020-09-03

Temwell Filter Store

Temwell’s online store provide VHF UHF Band Pass Filter for customers who are looking for quick delivery, economic budgetary on prototype, testing purpose. We supply over 800 kinds of standard Band Pass Filters, including 2 pole / 3 pole / 4 pole filters, ham radio standard filters, 2 way radio filters, broadband filters and NB IoT filters as well. Low cost with high quality source that we can deliver filters in 72 hours.

See more detail as following and make order by the click.

Online Catalog Link

Double Tuning RF BandPass Helical Filter
7H2/ 7S2/ 5W2/ 5R2 Series
50Ω /75Ω Each Filter is Tunable > ±5MHz

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Product Specification:

Series : Temwell 7H2 / 7S2/ 5R2/ 5W2 Series

Tuning pole : Double Tuning

Centre Freq. (Fo) : 42~1300 MHz

Bandwidth (B.W.): 2~100MHz

Case (H x L x W) :

12.5 x 7.6 x 15.3 mm (7H2)/ 15.2 x 7.6 x 8.6 mm (7S2)

11.2 x 5.6 x 8.6 mm (5W2)/ 11.2 x 5.6 x 8.6 mm (5R2)

Catalog Part 1: Impedance 50Ω

Catalog Part 2: Impedance 75Ω

Triple Tuning RF BandPass Helical Filter
7H3/ 7S3/ 5W3/ 5R3 Series
50Ω /75Ω Each Filter is Tunable > ±5MHz

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Product Specification:

Series : Temwell 7H2 / 7S2/ 5R2/ 5W2 Series

Tuning pole : Double Tuning

Centre Freq. (Fo) : 42~1300 MHz

Bandwidth (B.W.): 2~100MHz

Case (H x L x W) :

12.5 x 7.6 x 15.3 mm (7H2)/ 15.2 x 7.6 x 8.6 mm (7S2)

11.2 x 5.6 x 8.6 mm (5W2)/ 11.2 x 5.6 x 8.6 mm (5R2)

Catalog Part 1: Impedance 50Ω

Catalog Part 2 : Impedance 75Ω

Quadruple Tuning RF BandPass Helical Filter
7H4/ 5W4 Series
50Ω/75Ω Each Filter is Tunable > ±5MHz

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Product Specification:

Series : Temwell 7H4 / 5W4 Series

Tuning pole : Quadruple Tuning

Centre Freq. (Fo) : 42~2600 MHz

Bandwidth (B.W.): 2~180MHz

Case (H x L x W) :

12.5 x 7.6 x 30.8 mm (7H4) /

22.4 x 5.6 x 8.6 mm (5W4)

Catalog Part 1: Impedance 50Ω

Catalog Part 2 : Impedance 75Ω

Special: Broadband Standard Filter
Temwell 7H2 / 7H3 Series for VHF Band
50Ω Each Filter is Tunable > ±5MHz

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Specification:

Series : 7H3 Series

Tuning pole : Triple Tuning

Centre Freq. (Fo) : 250~2500 MHz

Bandwidth (B.W.): 80MHz~150MHz

Case (H x L x W) : 12.5 x 7.6 x 22.9 mm(7H3)

Catalog : Broadband Filter

Special: 2way radio using Standard Filter
Temwell 7H2 / 7H3 Series for VHF Band
50Ω Each Filter is Tunable > ±5MHz

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Specification:

Series : 7H3 Series

Tuning pole : Triple Tuning

Centre Freq. (Fo) : 70M/ 140M/160M/ 180M/ 460M

Bandwidth (B.W.): 5~30MHz

Case (H x L x W) : 12.5 x 7.6 x 22.9 mm(7H3)

Catalog : 2 Way Radio Filter

Special: Ham Radio Using Standard Filter
Temwell 7H2 / 7H3 / 5W2 / 5W3 Series for VHF Band
50Ω Each Filter is Tunable > ±5MHz

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Specification:

Series : 7H2 / 7H3 / 5W2 / 5W3 Series

Tuning pole : Double / Triple Tuning

Centre Freq.(Fo):146M/223.5M/435M/ 915M/1270M/1282.5M

Bandwidth (B.W.): 5~30MHz

Case(H x L x W):

12.5 x 7.6 x 15.3 mm (7H2)/12.5 x 7.6 x 22.9 mm(7H3)

11.2 x 5.6 x 8.6 mm (5W2)/ 16.8 x 5.6 x 8.6 mm(5W3)

Catalog : Ham Radio Filter

Special: NB IoT Standard Filter
Temwell 7H2 / 7H3 / 5W2 / 5W3 Series for VHF Band
50Ω Each Filter is Tunable > ±5MHz

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Specification:

Series : 7H2 / 7H3 / 7H4 /5W2 / 5W3/ 5W4/ Series

Tuning pole : Double / Triple / Quadruple Triple Tuning

Centre Freq.:146M/ 157M/ 160M/ 172M/460M/ 700M/ 868M/ 915M

Bandwidth (B.W.): 2~5MHz

Case (HxLxW):

12.5 x 7.6 x 15.3 mm (7H2)/ 11.2 x 5.6 x 8.6 mm (5W2)

12.5 x 7.6 x 22.9 mm (7H3)/ 16.8 x 5.6 x 8.6 mm(5W3)

12.5 x 7.6 x 30.8 mm (7H4)/ 22.4 x 5.6 x 8.6 mm(5W4)

Catalog : NB IoT Filter

Special: Toko Type Alternative Standard Filter
Temwell K3R Series for replaced Toko 5HT
50Ω Each Filter is Tunable > ±5MHz

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Specification:

Series : Temwell K3R Series as Toko 5HT Series

Tuning pole : Triple Tuning

Centre Freq.(Fo) : 322~1300 MHz

Bandwidth (B.W.): 10~30MHz

Insertion Loss(I.L.): Max 5.0dB

Case (HxLxW): 16.8 x 5.6 x 8.6 mm

Catalog : Toko type 5HT Alternative Fitler

Special: Toko Type Alternative Standard Filter
Temwell K2R Series for replaced Toko 5HW
50Ω Each Filter is Tunable > ±5MHz

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Specification:

Series : Temwell K2R Series as Toko 5HW Series

Tuning pole : Double Tuning

Centre Freq.(Fo) : 320~1305 MHz

Bandwidth (B.W.): 10~40MHz

Insertion Loss (I.L.): Max 4.0 dB

Case (H x L x W) : 11.2 x 5.6 x 8.6 mm

Catalog : Toko Type 5HW Alternative Filter

Special: Toko Type Alternative Standard Filter
Temwell K3 Series for replaced Toko 7HT
50Ω Each Filter is Tunable > ±5MHz

/storage/media/application/learning_kit/FilterStore-Toko-7HT.jpg

Specification:

Series : Temwell K3 Series as Toko 7HT Series

Tuning pole : Triple Tuning

Centre Freq.(Fo) : 322~1300 MHz

Bandwidth (B.W.):10~30MHz

Insertion Loss(I.L.): Max 5.0 dB

Case (H x L x W) : 12.5 x 7.6 x 22.9 mm (7H3)

Catalog : Toko Type 7HT Alternative Filter

Special: Toko Type Alternative Standard Filter
Temwell K2 Series for replaced Toko 7HW
50Ω Each Filter is Tunable > ±5MHz

/storage/media/application/learning_kit/FilterStore-Toko-7HW.jpg

Specification:

Series : Temwell K2 Series as Toko 7HW Series

Tuning pole : Double Tuning

Centre Freq.(Fo) : 320~1305 MHz

Bandwidth (B.W.): 10~40MHz

Insertion Loss(I.L.):Max 4.0dB

Case (H x L x W) : 12.5 x 7.6 x 15.2 mm

Catalog : Toko Type 7HW Alternative Filter

Cavity Filter

TEMWELL as RF Filter Expert established one-stop service in 5G RF Cavity Filter, supplying High quality specification value and large power requirement solutions. such as Bandpass 5G Cavity Filter, 5G Cavity Notch Filter, 5G Highpass Cavity Filter, 5G Lowpass Cavity Filter, Suspended stripline Filter, Interdigital Filter and LC Filter. Also, providing custom service in Frequency band: DC to 60GHz and Bandwidth: 1MHz to 40GHz. If you are interested, click to see more information.

Helical Filter

TEMWELL as RF Filter Expert in designing and manufacturing RF 5G BandPass Filter, providing over 3000 kinds of Helical BandPass Filter list online and also offer a full range of custom RF 5G bandpass filter services with a suitable charge. Our custom 5G RF band pass filters are quality-guaranteed and have no performance loss in center frequency change 42 ~ 2600MHz, bandwidth change 5 ~ 200MHz, attenuation value-adding, size change, impedance change and connectorized design. If you have demands for a custom RF 5G band pass filters, Contact us now! New proposal in 7 workdays.

SMD Filter

"TEMWELL as RF Filter Expert presents one-stop service in 5G RF SMD Filter with high quality and quick solutions, including 5G Ceramic Filter, 5G DR Filter, 5G Saw Filter, and 5G LC Filter. Our main products are Highpass filter, Lowpass filter, Bandpass filter, Bandstop filter, but we also offer custom service that covers frequency change 400MHZ to 6GHz, bandwidth change DC to 40GHz, and attenuation value requested.
To learn more about our 5G RF SMD Filter, contact us for free consultant service.
New proposal in 7 workdays."

Custom service

"TEMWELL as RF Filter Exper in designing and manufacturing RF Filter, especially in RF Helical Filter, RF Cavity Filter and RF SMD DR Filter, enable to provide many kinds of different Custom Service as rapid proposal and quick solution within just 14 workdays, including "" Center Frequency Change"", "" Bandwidth Change"", "" Attenuation value adding"", "" Impendence Change"", ""Size Change"", and "" Power Chang "" as well. See detail description by clicking."

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