[Home](/) / [Module](/categories/7-module) / [ECM](/groups/201-ecm) / [Legion Gravimetric ECM](/types/28735-legion-gravimetric-ecm)

# Legion Gravimetric ECM

## Tools

[Reprocess](/reprocess?type=28735) · Build: [Legion Gravimetric ECM Blueprint](/industry?blueprint=28736) · Blueprint requirements: [Legion Gravimetric ECM Blueprint](/blueprints/28736-legion-gravimetric-ecm-blueprint) · [Appraise](/appraise) · Market: [Amarr orders](/market?type=28735&region=10000043); [Amarr regional history](/market?type=28735&region=10000043&tab=history); [Dodixie orders](/market?type=28735&region=10000032); [Dodixie regional history](/market?type=28735&region=10000032&tab=history); [Hek orders](/market?type=28735&region=10000042); [Hek regional history](/market?type=28735&region=10000042&tab=history); [Jita orders](/market?type=28735&region=10000002); [Jita regional history](/market?type=28735&region=10000002&tab=history); [Rens orders](/market?type=28735&region=10000030); [Rens regional history](/market?type=28735&region=10000030&tab=history)

Orders cover the selected hub region. Price history is regional, not station-specific.

## Overview

Market: [Ship Equipment](/market/9-ship-equipment) / [Electronic Warfare](/market/657-electronic-warfare) / [Electronic Counter Measures](/market/677-electronic-counter-measures) / [Gravimetric Jammers](/market/717-gravimetric-jammers)

ECM · Module · Faction

## Facts

| Fact | Value |
| --- | --- |
| Volume | 5 m³ |
| Portion size | 1 |
| Base price | 20,000.00 ISK |
| Published | Yes |


## Prices

| Market | Value |
| --- | --- |
| Jita 4-4 sell minimum | 60,600,000.00 ISK |
| Jita 4-4 buy maximum | 40,510,000.00 ISK |
| The Forge sell minimum | 60,600,000.00 ISK |
| The Forge buy maximum | 40,600,000.00 ISK |
| Sell volume | 26 |
| Buy volume | 226 |
| Snapshot loaded | 2026-09-09T14:34:12.523Z |
| HTTP last modified | 2026-09-09T13:49:49.000Z |
| Source | esi |


[Order book](/types/28735-legion-gravimetric-ecm/prices) · [Price history](/types/28735-legion-gravimetric-ecm/history)

## Fitting

| Attribute | Value |
| --- | --- |
| CPU usage | 43 tf |
| Powergrid Usage | 1 MW |


## Structure

| Attribute | Value |
| --- | --- |
| Structure Hitpoints | 40 HP |


## Capacitor

| Attribute | Value |
| --- | --- |
| Activation Cost | 50 GJ |


## Miscellaneous

| Attribute | Value |
| --- | --- |
| Activation time / duration | 20 s |
| Meta Level | 8 Level |
| Overload ECM Bonus | 20 % |
| Required Thermodynamics Level | 1 Level |
| Tech Level | 1 Level |


## Required Skills

| Attribute | Value |
| --- | --- |
| Primary Skill required | 3427 typeID |


## EW - Target Jamming

| Attribute | Value |
| --- | --- |
| Gravimetric ECM Jammer Strength | 4.1 |
| Ladar ECM Jammer Strength | 1.3 |
| Magnetometric ECM Jammer Strength | 1.3 |
| RADAR ECM Jammer Strength | 1.3 |


## Turrets

| Attribute | Value |
| --- | --- |
| Effectiveness Falloff | 33750 m |
| Optimal Range | 36000 m |


## Heat

| Attribute | Value |
| --- | --- |
| Heat Damage | 6.6 HP |


## Materials

| Reprocessing yield | Quantity |
| --- | --- |
| [Tritanium](/types/34-tritanium) | 2,884 |
| [Pyerite](/types/35-pyerite) | 919 |
| [Megacyte](/types/40-megacyte) | 2 |


[Reprocessing calculator](/reprocess?type=28735)

## Industry

| Blueprint | Activity | Quantity |
| --- | --- | --- |
| [Legion Gravimetric ECM Blueprint](/blueprints/28736-legion-gravimetric-ecm-blueprint) | manufacturing | 1 |


## Variations

- ['Plunderer' Gravimetric ECM](/types/20577-plunderer-gravimetric-ecm) (Storyline)
- [BZ-5 Scoped Gravimetric ECM](/types/19946-bz-5-scoped-gravimetric-ecm) (Tech I)
- [CZ-4 Compact Gravimetric ECM](/types/19944-cz-4-compact-gravimetric-ecm) (Tech I)
- [FZ-3a Enduring Gravimetric ECM](/types/19942-fz-3a-enduring-gravimetric-ecm) (Tech I)
- [Gravimetric ECM I](/types/1955-gravimetric-ecm-i) (Tech I)
- [Gravimetric ECM II](/types/2571-gravimetric-ecm-ii) (Tech II)
- [Panola's Modified Gravimetric ECM](/types/85005-panolas-modified-gravimetric-ecm) (Officer)

## Formats

Links: [Markdown](/types/28735-legion-gravimetric-ecm.md) · [JSON](/types/28735-legion-gravimetric-ecm.json)