Mounting Details
Detailed installation drawing available upon request.
SMI 70-S
450 MHz Ceramic Microplexer
Description
- Extremely small and lightweight ceramic duplexer (Extremely small: only 8 cm3!).
- Ideal for integration in portable 450 MHz cellular radio telephones.
- 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 W at 85 °C when mounted on a 25 cm2 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.
- Environment proof.
Specification
| Electrical | |
| Model | SMI 70-S |
|---|---|
| Frequency | 400 – 475 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 | 52.5 x 38 x 7.3 mm / 2.07 x 1.50 x 0.29 in. |
| Weight | Approx. 0.035 kg / 0.08 lb. |
| Housing Dimensions | 39.5 x 28 x 7.3 mm / 1.56 x 1.10 x 0.29 in. |
Ordering Codes
| Model | Product No. |
|---|---|
| 450 MHz Ceramic Microplexer | 200000643 |
Additional Information
Typical Response curve @ 10 MHz Duplex Spacing (Single Channel)
Typical Response curve @ 10 MHz Duplex Spacing 1 MHz BW
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