Mounting details
All dimensions are given in mm.
SMI 70/…
450 MHz Ceramic Microplexer
Description
- Extremely small and lightweight ceramic duplexer (Extremely small: only 12 cm3 !). Ideal for integration in portable 450 MHz cellular sevices.
- Low insertion loss by use of high-performance ceramic materials and computer optimized interconnection networks.
- Rugged mechanical design and low temperature drift.
- High power handling – handles 30 watts at 85 °C when mounted on a 40 cm heatsink!
- Designed for direct drop-in on microstrip PCB. Coplanar terminals save space and provide ease-of-manufacturing and a non-discontinuity interface to the PCB.
- Rejection of image frequency of receiver.
- Environment proof.
Specification
| Electrical | |
| Model | SMI 70/… |
|---|---|
| Frequency | 410 – 470 MHz |
| Max. Input Power | 6 W without heatsink 30 W with heatsink |
| Impedance | 50 Ω |
| Environmental | |
| Operating temperature range | -30 °C to +85 °C |
|---|---|
| Mechanical | |
| Connection(s) | Drop-in, coplanar |
|---|---|
| Historic Brand | Amphenol Procom |
| Dimensions | 77.5 x 36 x 7.3 mm / 3.05 x 1.42 x 0.287 in. |
| Weight | Approx. 0.05 kg / 0.11 lb. |
| Housing Dimensions | 64.5 x 26 x 7.3 mm / 2.54 x 1.02 x 0.29 in. |
Ordering Codes
| Model | Product No. | Additional Information |
|---|---|---|
|
SMI 70/NMT |
Contact_45 | NMT |
|
SMI 70/R2000 |
Contact_46 | R2000 |
|
SMI 70/SFR |
Contact_47 | SFR |
Additional Information
Typical response curves
Diagrams
TYPICAL RESPONSE CURVES
TYPICAL RESPONSE CURVES
FUNCTIONAL DIMENSIONS
PROCOM A/S reserves the right to
amend specifications without prior notice
PROCOM A/S • Smedetoften 12
DK 3600 Frederikssund • Denmark
Generated : 2026-06-28
Version 1