---
type: product
schema_version: 1
stock_number: "57387-2"
canonical_url: "https://www.artisantg.com/57387-2/Merrimac-CRM-10-500"
json_url: "https://www.artisantg.com/57387-2/Merrimac-CRM-10-500.json"
generated_at: "2026-11-06T21:16:05.158Z"
last_updated: "2026-10-21T19:05:43.280-05:00"
---

# Crane / Merrimac CRM-10-500 Directional Coupler

_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: Merrimac
- Model: CRM-10-500
- Condition: Used and in Excellent Condition
- Price: Quote only
- Availability: Not in Stock
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 1 lb, estimated
- Shipping dimensions: 8X8X3 in, estimated

## Categories

- Test Equipment > Electrical Test > Couplers (primary)

## Details

### Configuration

- Connector: SMA
- Frequency Range: 10-1000 MHz
- Operating Bandwidth: 10-50 / 50-500 / 500-1000 MHz
- Coupling Tolerance, Max.: 10 ± 1.0 dB
- Frequency Sensitivity, Max.: ±0.5 dB
- Directivity, Min.: 20 / 25 / 20 dB
- Insertion Loss, Max.: 1.0 / 1.0 / 1.5 dB
- VSWR
 - Main Arm: 1.5:1 / 1.3:1 / 1.5:1
 - Coupled Arm: 1.5:1 / 1.3:1 / 1.5:1

## Images

- <https://www.artisantg.com/itemimages/crane_merrimac_crm_10_500_view1_2025725141515.jpg>
- <https://www.artisantg.com/itemimages/crane_merrimac_crm_10_500_view2_2025725141515.jpg>
- <https://www.artisantg.com/itemimages/crane_merrimac_crm_10_500_view3_2025725141515.jpg>
- <https://www.artisantg.com/itemimages/crane_merrimac_crm_10_500_view4_2025725141515.jpg>