As a temporary gameplay change to Ingress, higher-level Agents can deploy two L7 Resonators on each Portal.


Resonators are the central item of Ingress, enabling Agents to capture Portals and use them to form Control Fields Δ.

Deploying a Resonator Resonator on a Portal captures it, aligns it to a Faction, determines its level, affects the amount of Exotic Matter (XM) it drops, enables linking and fielding, earns Access Points (AP), and causes the Agent to receive notifications when the Portal is attacked.

Up to eight Resonators Resonator can be deployed on a single Portal. Higher-level Resonators Resonator have deployment restrictions that limit how many a single Agent can place. Because Links require both Portals to contain eight Resonators Resonator, Agents must carry a variety of Resonators Resonator to create Control Fields Δ.

Resonators Resonator are the most common items received from hacking. Community studies estimate that approximately 1.5 Resonators Resonator are received from every item roll.

Deployment and Upgrading[edit | edit source]

Resonator
level
Coloration
[* pre Ingress Prime]
Agent

Limit

XM Provided
to Portal
Recycle
Value
L1 Prime-L1-Resonator.png|L1-Resonator.png* 8 1 000 XM 20 XM
L2 Prime-L2-Resonator.png|L2-Resonator.png* 4 1 500 XM 40 XM
L3 Prime-L3-Resonator.png|L3-Resonator.png* 4 2 000 XM 60 XM
L4 Prime-L4-Resonator.png|L4-Resonator.png* 4 2 500 XM 80 XM
L5 Prime-L5-Resonator.png|L5-Resonator.png* 2 3 000 XM 100 XM
L6 Prime-L6-Resonator.png|L6-Resonator.png* 2 4 000 XM 120 XM
L7 Prime-L7-Resonator.png|L7-Resonator.png* 2* 5 000 XM 140 XM
L8 Prime-L8-Resonator.png|L8-Resonator.png* 1 6 000 XM 160 XM

An Agent can deploy a Resonator Resonator on a Portal if all of these conditions are met:

  • The Agent's level is equal to or greater than the Resonator's Resonator level.
  • The number of Resonators Resonator of its level already deployed on the Portal and owned by the Agent is below the Agent limit.
  • The Portal has an open Resonator Resonator slot or the Portal already contains a Resonator Resonator of lower level than the new Resonator Resonator.

Deploying a Resonator Resonator places it onto the Scanner map in one of the eight cardinal and ordinal directions. The Resonator Resonator will be placed at the same distance from the Portal as the Agent deployed it.

Agents can simply tap "Deploy" from the Deploy menu to drop a Resonator Resonator as close to himself or herself as possible, or manually select one of the eight slots to deploy into. The northernmost slot is indicated by a red circle.

To upgrade a Resonator Resonator, all eight slots must be filled and the target Resonator Resonator must be manually selected. The Scanner will attempt to select the next-highest level Resonator Resonator from the Agent's inventory, but any Resonator Resonator of a higher level than the target can be used to upgrade.

Effect on Portal level[edit | edit source]

A Portal's level is the average of all eight Resonator Resonator slots, rounded down. If there is no Resonator Resonator in a slot, it is counted as zero. Although an average can land below zero, the Portal's level will always be Level 1.

  • A Portal with four L8 Resonators will be Level 4, since there are four slots counted as zero.
  • A Portal with seven L8 Resonators and only one L7 will be Level 7, since the average is rounded down.

XM and Combat[edit | edit source]

In the Ingress lore, Resonators Resonator contain structured Exotic Matter (XM) that power the attached Portal. This XM is depleted by enemy attacks and decays by 15% of the Resonator's Resonator capacity every 24 hours.

Attacking a Resonator Resonator with an XMP Burster XMP Burster or Ultra Strike Ultra Strike reduces the amount of XM it contains. The weapon's base damage, minus mitigation and range penalties and multiplied by the attack's charge bonus, is subtracted from the affected Resonators Resonator. The Portal will occasionally counterattack and drain an amount of XM from the attacker proportional to its level.

When a Resonator's Resonator XM is completely depleted, it is destroyed. When the number of existing Resonators Resonator on a Portal drops below three Resonators Resonator, all Links attached to the Portal will be broken.

Agents can replenish a Resonator's Resonator XM by recharging it. This can be performed locally by standing within range of the Portal, or remotely through the corresponding Portal Key Portal Key. Recharging is one-to-one - each XM going into a Resonator Resonator must come out of the Agent's XM tank.

Every 20 minutes, a Portal emits 20% of its total XM in the 40m radius surrounding it. This loose XM can be picked up by Agents of either faction.

A maxed-out Level 8 Portal contains 48 000 XM.

Strategy[edit | edit source]

The creation of high-level Portals requires multiple Agents. Agents must seek out and coordinate with allies nearby, or enemies will destroy low-level Portals before allies can increase their level.

Because the level of a Portal determines the average level of Resonators Resonator it will drop, Agents must hack a diverse set of Portals to obtain a variety of differently-leveled Resonators Resonator. A popular trick used by Agents who enjoy building Control Fields Δ is to deploy 1x L8, 1x L7, 2x L6, and 1x L5 Resonator on a Portal, then Glyph Hack the new L4 Portal to obtain the L5 and 2x L4 Resonators required to finish it.

This also implies that if an Agent is cut off from L8 Portals for a significant length of time, his or her ability to 'bump' Portals to L7 or L8 with a L8 Resonator will be constrained. The savvy Agent carefully considers his or her future access to high-level Portals when determining how he or she will deploy and stockpile L8 Resonators.

Many Agents prefer to deploy 1x L8, 1x L7, and 2x L6 on unclaimed Portals. This enables another friendly Agent to add the same configuration and bump it to Level 6, or simply Glyph Hack it as-is to obtain enough Resonators Resonator to complete and Link it.

The 625 AP reward for capturing a Portal is substantial, and Agents often deploy a single Resonator Resonator on an unclaimed Portal to earn it. You get 375 AP for deploying the last Resonator Resonator. If the Agent is unsure if the Portal will be upgraded others or used to complete a Control Field Δ, he or she will intentionally avoid filling the other seven slots to conserve resources. Agents may also do this to obtain the Liberator-Medal. Alternately, he or she may fill it out with low-level Resonators Resonator if he or she believes friendly Agents will soon Link to it.

For maximum AP gain or to obtain the Builder-Medal, two Agents can alternate upgrading each other's Resonators Resonator. The first Agent deploys eight L1's. The second upgrades four of them with L2's. The first upgrades the L2's to L3's. The second Agent can now upgrade the remaining L1's to L2's and continues the cycle.

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