DPF 70/55-…-TETRA-N
10-Cavity Duplexer for TETRA Band
Description
- The DPF 70/55-…-TETRA-N is a 2 x 5 cavity filter for duplex radio telephones.
- The filter uses full-length ¼ λ cavities in a compact, extruded aluminium housing. The chassis is made of passivated steel, and teflon insulation has been applied in the coaxial cables and in the connectors.
- The filter is coated with black vinyl to prevent corrosion.
Specification
| Electrical | |
| Model | DPF 70/55-…-TETRA-N |
|---|---|
| Frequency | Tx : 380 – 420 MHz Rx : 390 – 430 MHz (depends on model) |
| Max. Input Power | 50 W |
| Pass Band Insertion Loss | < 1.5 dB (typ. 1.3) |
| Impedance | 50 Ω |
| VSWR | < 1.5:1 |
| Stop Band Attenuation | > 60 dB |
| Environmental | |
| Frequency Stability | 4.5 ppm/° C (approx.) |
|---|---|
| Operating temperature range | -30 °C to +60 °C |
| Mechanical | |
| Connection(s) | N(f) |
|---|---|
| Historic Brand | Procom |
| Dimensions | 247 x 129 x 58 mm / 9.72 x 5.08 x 2.28 in. (excl. conn.) |
| Weight | Approx. 1.4 kg / 3.09 lb. |
Ordering Codes
| Model | Product No. | Frequency |
|---|---|---|
|
DPF 70/55-1-TETRA-N |
200000341 | Tx: 380 – 385 MHz / Rx: 390 – 395 MHz |
|
DPF 70/55-2-TETRA-N |
200000348 | Tx: 385 – 390 MHz / Rx 395 – 400 MHz |
|
DPF 70/55-3-TETRA-N |
200000347 | Tx: 410 – 415 MHz / Rx: 420 – 425 MHz |
|
DPF 70/55-4-TETRA-N |
200000342 | Tx: 415 – 420 MHz / Rx: 425 – 430 MHz |
Diagrams
TYPICAL RESPONSE CURVES
PROCOM A/S reserves the right to
amend specifications without prior notice
PROCOM A/S • Smedetoften 12
DK 3600 Frederikssund • Denmark
Generated : 2026-06-26
Version 1