---
type: product
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stock_number: "94301-3"
canonical_url: "https://www.artisantg.com/94301-3/L-3-SEM163"
json_url: "https://www.artisantg.com/94301-3/L-3-SEM163.json"
generated_at: "2026-11-07T18:04:34.199Z"
last_updated: "2026-10-14T13:00:51.160-05:00"
---

# L-3 / Narda / Miteq SEM163 DC-18 GHz Stocked Electro-Mechanical Switch

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: L-3
- Model: SEM163
- Condition: Used and in Excellent Condition
- Price: $325.00 USD
- Availability: In stock, 2 available
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 1.5 lb, estimated
- Shipping dimensions: 9X9X3 in, estimated

## Categories

- Test Equipment > Electrical Test > Switches (primary)

## Details

### Configuration

- Actuating Current mA @ 28VDC and 25°C: 140
- Frequency Minimum: 0 MHz
- Frequency Maximum: 18000 MHz
- Insertion Loss: 0.5 dB Max
- VSWR: 1.5 Max
- Isolation: 60

## Function

Provides single-pole double-throw RF signal switching from DC to 18 GHz with 140mA actuating current at 28VDC. Delivers 0.5dB maximum insertion loss, 1.5:1 maximum VSWR, and 60dB isolation between ports. Features electro-mechanical actuation for reliable switching operations. Interfaces via standard RF connectors for integration into test systems, communication networks, and RF signal routing applications. Suitable for automated test equipment, laboratory instrumentation, satellite communications, and radar systems requiring broadband frequency coverage and high isolation performance.

## Images

- <https://www.artisantg.com/itemimages/l_3_narda_miteq_sem163_view1_202621815436.jpg>
- <https://www.artisantg.com/itemimages/l_3_narda_miteq_sem163_view2_202621815436.jpg>
- <https://www.artisantg.com/itemimages/l_3_narda_miteq_sem163_view3_202621815436.jpg>
- <https://www.artisantg.com/itemimages/l_3_narda_miteq_sem163_view4_202621815436.jpg>
