Guides · Playing rules
Electronic pitch-calling rules by governing body
One-way electronic communication is legal in most of the rulebooks that govern baseball and softball. The details are not the same. Who may receive a call, whether offense is included, whether live audio is allowed, and what kind of device may be used can all change from one rulebook to another.
This guide is based on published playing rules, interpretations, press releases, and tournament rules. It is not the rulebook or an official interpretation. The rules in force for your contest — and the officials administering them — control. If a later rulebook or event bulletin differs from something quoted here, use the later rule.
Start with the rulebook you actually play
“Electronic communication is legal” is not enough.
Baseball and softball can have different rules under the same governing organization. NCAA softball Rule 5.9.9 is not NCAA baseball Rule 5-16. USSSA fastpitch Rule 2, Section 13 is not USSSA baseball By-Law 7.01.M.
And travel ball adds another layer: the rules for the tournament you entered may be different from the rules your team normally plays under.
A useful starting point:
High school
Start with NFHS, then check your state association.
College
Use the NCAA rule for your sport. NAIA and NJCAA programs should also check their own current modifications.
Travel baseball or softball
Check the actual tournament rules. Your normal sanctioning body does not necessarily determine the electronic-communication rule for that weekend.
Little League
Use the Little League rulebook, not NFHS.
Three questions usually tell you what you need to know:
- Who may wear a receiver?
- Is live audio treated differently from a stored message or display?
- Does the rule care what kind of device is sending or receiving the call?
At a glance
This table is a map, not a substitute for the rule sections below.
- Stored signal means a pre-recorded message, code, or visual display.
- Live audio means a coach speaking into a microphone in real time.
| Governing body | Who can receive? | Offense? | Live in-ear audio | Key point |
|---|---|---|---|---|
| NFHS baseball (2027) | Pitcher and/or catcher | No | Not separately defined | One-way from dugout/bench |
| NFHS softball (2027) | Pitcher and catcher | No | Not separately defined | One-way from dugout |
| NCAA baseball (2025–26) | Stored signals may go to pitcher and other players | Yes | Catcher only | Stored signal and live audio are treated differently |
| NCAA softball (2026–27) | One-way pitch/play calls on offense and defense | Yes | Catcher only | Manufacturer-supplied one-way path matters |
| USA Softball (2025) | One-way pitch/play communication; not written as catcher-only | Yes | Not separately split out | Two-way communication is illegal |
| USSSA fastpitch (2025) | Signals to the coach’s players | Yes | Not separately split out | One-way only; device rules are specific |
| USSSA baseball (2026) | All players may wear one-way signaling devices | Same rule applies | Not separately split out | Broad receiver language |
| Perfect Game | Stored signals to pitcher or other offensive/defensive players | Yes | Catcher only | Uses NCAA-style stored-signal language |
| Alliance national events (2026) | Follows NCAA softball 5.9.9 | Yes | Catcher only | National-event rule, not necessarily local Alliance play |
| Little League | Catcher only | No | Not separately split out | One-way pitch calling from dugout/bench |
Triple Crown and Premier Girls Fastpitch publish communication rules that are not completely consistent across their own pages. Those are covered separately below.
College
NCAA softball — Rules 5.9.8 and 5.9.9
In plain English
NCAA softball permits an exclusively one-way electronic device for pitch or play calls on offense and defense. The call may originate from the dugout or coaches’ boxes.
Live in-ear communication is more restricted: in-ear communication is limited to the defensive catcher.
Rule 5.9.8 first establishes the general restriction:
Team personnel, including players, are prohibited from carrying or wearing any device capable of transmitting information while on the field … Exception: See Rule 5.9.9.
Rule 5.9.9 then creates the one-way exception:
An exclusively one-way electronic communication device from the dugout or the coaches’ boxes for the purpose of relaying the pitch or play call is permitted on defense and offense. The use of an in-ear communication device shall be limited to the defensive position of the catcher.
NCAA softball also draws an important line around the hardware.
Approved Ruling 5-23 says a coach may not simply download an app onto a cell phone, tablet, or smartwatch instead of the device supplied by the manufacturer to relay signals. Other 2026 interpretations likewise restrict two-way phones, iPads, and tablets from being used to send digital signals from team areas or coaches’ boxes.
So for NCAA softball, the question is not just whether communication is one-way. How the communication system is built and supplied also matters.
NCAA baseball — Rule 5-16
In plain English
NCAA baseball also distinguishes between a stored or pre-recorded signal and live audio.
A stored signal may be sent more broadly to players on offense or defense. Direct live audio remains catcher-only.
The NCAA interpretation says:
The use of exclusively one-way electronic communication devices that transmit pre-recorded message(s) or signals for the purpose of relaying the pitch or play call from the dugout to the field (to the pitcher or other defensive or offensive players) is permitted. The use of an in-ear communication device with direct or live audio remains restricted to the defensive position of catcher.
Beginning with the 2025 season, NCAA baseball also expanded who may initiate the signal. A player on the field or a coach in the first- or third-base coaching box may initiate one-way communication to offensive or defensive players.
That makes NCAA baseball much broader than a simple “coach-to-catcher” rule.
Other electronic devices remain tightly controlled. NCAA guidance has specifically warned against using unrelated tablets and smartwatches to collect, send, or receive information during the game outside the permitted one-way system.
NAIA and NJCAA
NAIA softball uses NCAA softball case-book material and the NCAA softball rules-change material cited above. Until NAIA publishes a separate modification, NCAA softball Rule 5.9.9 is the relevant starting point.
For NAIA baseball, the material reviewed for this guide did not identify a separate published electronic-communication rule. Confirm the current rule with NAIA rather than assuming the NCAA baseball rule applies without modification.
NJCAA has historically used NCAA baseball and softball playing rules with certain NJCAA exceptions. Programs should check the current NJCAA Sports Procedures Chart for any event-specific modification.
High school — NFHS
Beginning with the 2027 season, NFHS baseball and softball both expand electronic communication from catcher-only to pitcher-and-catcher communication.
The sports are not worded identically.
NFHS baseball
Rule 1-6-2 permits one-way communication from the dugout or bench area to the pitcher and/or catcher while the team is on defense for the purpose of calling pitches.
NFHS softball
Rule 1-9-6 Exception adds the pitcher alongside the catcher. NFHS’s rationale is broader, referring to defensive strategy and game-management information.
Neither published 2027 rule opens electronic receivers to the rest of the defense or to offensive players.
There is also an important historical difference in how the sports have interpreted hardware.
NFHS softball interpretations have focused on whether the device is used one-way. NFHS baseball has previously ruled that a device with two-way capability may be illegal even when that capability is muted.
For the full rule language, rule history, device questions, and 2027 interpretations:
NFHS 2027: Pitchers can receive the call
USA Softball
USA Softball’s 2025 rule is broader than catcher-only communication.
For offense, Rule 4-7C permits:
An exclusively one-way electronic communication device to relay signals to the offense.
For defense:
An exclusively one-way electronic communication device may be used by the defense to relay the pitch or play call from the dugout.
Two-way communication remains prohibited. USA Softball guidance has specifically said that communication must remain one-way.
The defensive rule is not written as a catcher-only rule, but it also does not explicitly say that every defensive player may wear a receiver. When receiver eligibility matters, use the current rulebook or tournament interpretation rather than assuming.
USA Softball announced a commercial partnership with PitchCom in 2025. That partnership does not make PitchCom a required brand under Rule 4-7C; the playing rule itself does not name a manufacturer.
USSSA
Baseball and fastpitch are very different here.
USSSA fastpitch — Rule 2, Section 13
USSSA fastpitch permits a coach to use exclusively one-way electronic communication:
- from the dugout or bench while on defense;
- from the dugout, bench, or coach’s box while on offense;
- for relaying signals to the coach’s players.
The system must be commercially available and worn as designed by the manufacturer. Customized systems are prohibited. The rule also specifically prohibits two-way devices such as cell phones, pagers, and walkie-talkies on the playing field.
The first violation brings a team warning and removal of the illegal equipment. A second violation brings head-coach ejection and loss of the right to use the equipment for that game.
USSSA baseball — By-Law 7.01.M
USSSA baseball is much simpler:
The use of one way Electronic Signaling devices are permitted to be worn by all players.
That is not a pitcher/catcher-only rule.
USSSA event material has separately described an Apple Watch as a two-way device, but that wording comes from event-level guidance rather than the national by-law itself.
Travel ball: the tournament rules win
A travel team can be legal with a system on Tuesday and face a different communication rule at a weekend tournament.
Your normal league affiliation does not necessarily decide the rule for the event you entered.
Perfect Game
Current Perfect Game tournament pages use NCAA-style language permitting one-way pre-recorded messages or signals to pitchers and other offensive or defensive players.
Live or direct in-ear audio remains restricted to the catcher.
Perfect Game publishes this language in tournament rules rather than one universal national rulebook, so check the event you are actually playing.
Alliance Fastpitch national events
For named 2026 national events, including AFCS, AFON, and AFRC, Alliance begins with NFHS rules and then modifies digital communication by applying current NCAA softball Rule 5.9.9.
That allows the NCAA-style one-way communication rule on offense and defense at those events.
That does not mean every local or member-league Alliance game automatically uses the same rule.
Triple Crown
Triple Crown is a good example of why the actual event page matters.
Its general fastpitch communication page says:
All defensive and offensive players may have digital one-way communication from the dugout…
It also says iOS and Android smartwatches are illegal, with one-way audio restricted to the catcher.
But Triple Crown’s Fastpitch World Series page uses narrower language saying communication is defense only.
Those two published pages are not the same rule.
Triple Crown also names GoRout as a preferred commercial partner on one communication page. “Preferred partner” is not the same thing as a rule requiring that manufacturer.
If Triple Crown pages disagree, ask the tournament director which rule controls your event.
Premier Girls Fastpitch
PGF also publishes communication language that is not internally consistent.
One section says one-way devices are permitted only on defense, with digital wristbands available to any defender and in-ear audio catcher-only.
A later list on the same page says the devices may be used by offensive and defensive players.
Do not guess which sentence controls your tournament.
Use the rules issued for the PGF event you entered or ask the tournament director before play.
Little League
Beginning in 2025, Little League baseball and softball permit one-way electronic communication from a coach or manager to the catcher while the team is on defense for the purpose of calling pitches.
The device may not be used to communicate electronically with other defensive players or with anyone while the team is on offense, and the coach must operate it from the dugout or bench area.
For 2026, Little League also added guidance requiring a reasonable amount of time to correct a malfunctioning one-way communication device.
Organizations not included in this guide
This guide does not quote current national electronic-communication rules for:
AAU · AFA · USFA · USA Elite Select · NSA · PONY · NAFA
Some events under those organizations may use NFHS, USSSA, or another base rulebook.
Do not assume. Confirm with the tournament.
We also do not maintain a state-by-state list of NFHS adoption or modifications. High-school programs should check the state association that governs their school.
Common questions
Is electronic pitch calling legal in high school?
Yes under the published NFHS rules for 2027, with one-way communication to the pitcher and/or catcher in baseball and to the pitcher and catcher in softball while the team is on defense.
Through 2026, NFHS permitted the catcher only.
State associations may have additional policies or adoption timelines.
Can infielders wear electronic receivers?
Sometimes.
Under NFHS 2027, no — the permitted receivers are the pitcher and catcher.
NCAA baseball permits stored or pre-recorded calls to other defensive and offensive players. USSSA baseball broadly permits one-way signaling devices for all players. Perfect Game tournament rules may also allow stored signals to players beyond the battery.
Check the rulebook you are actually playing.
Can electronic communication be used on offense?
It depends.
- NFHS: No.
- NCAA baseball: Yes, under its one-way stored-signal rules.
- NCAA softball: Yes.
- USA Softball: Yes.
- USSSA fastpitch: Yes.
- Little League: No.
Travel tournaments may publish their own exceptions.
Can a coach transmit from a coaching box?
Again, it depends.
NFHS requires the coach to operate from the dugout or bench area.
NCAA softball permits the one-way path from the dugout or coaches’ boxes. NCAA baseball has also expanded the rule to allow coaches in the first- and third-base boxes to initiate one-way communication. USSSA fastpitch permits offense communication from the coach’s box.
Is live audio treated differently from a visual display or pre-recorded call?
In several important rulebooks, yes.
NCAA baseball and NCAA softball both permit broader use of one-way stored, digital, or visual communication while keeping live in-ear audio restricted to the defensive catcher. Perfect Game tournament rules use the same NCAA-style distinction.
That is why “electronic communication is legal” does not answer every equipment question.
Do NCAA baseball and softball use the same rule?
No.
NCAA softball is governed by Rules 5.9.8 and 5.9.9. NCAA baseball uses Rule 5-16.
Both permit one-way electronic communication and restrict live in-ear audio to the catcher, but the details governing who may receive and who may initiate the communication are not identical.
Are smartwatches and phone apps legal?
It depends heavily on the rulebook.
NFHS softball has previously focused on one-way use and has referenced smartwatches as an example of possible hardware.
NCAA softball specifically restricts the use of an app on a phone, tablet, or smartwatch in place of the manufacturer-supplied signaling device.
Triple Crown fastpitch expressly identifies iOS and Android smartwatches as illegal on its communication page.
USSSA fastpitch specifically names phones, pagers, and walkie-talkies as examples of prohibited two-way devices.
Do not assume that an app becoming “one-way” makes the underlying device legal under every rulebook.
If my travel team is legal at home, is it automatically legal at a tournament?
No.
Perfect Game, Alliance national events, Triple Crown, PGF, and other tournament organizations may publish communication rules that differ from your normal league.
The event rule controls.
When in doubt, send the equipment description to the tournament director before the event.
What this means when choosing hardware
Most of the rulebooks in this guide share one basic idea:
The permitted communication path is one-way — coach to player.
But after that, the details split.
Some rules limit which positions may receive. Some allow communication on offense. Some distinguish live audio from stored or visual messages. Some specifically care whether the coach is using manufacturer-supplied signaling hardware instead of a phone or smartwatch app.
That makes the hardware architecture worth understanding before you buy.
PerfectCall uses manufacturer-supplied, one-way hardware: Coach Tablet to Hub to player-worn receivers, with no electronic return path from the field.
Which players may wear those receivers depends on the rulebook for your contest.
NFHS 2027 guide College programs High school packages Request a quote
Primary sources
Every rule citation here is from one of the following. If a later rulebook, interpretation, or the event’s rules disagree, that later document controls.
- PerfectCall, “NFHS 2027: Pitchers can receive the call” (high school quotations and NFHS source list)
- NCAA Softball Rules Book (Rules 5.9.8, 5.9.9)
- NCAA Softball Rules Changes (5.9.9 offense and coaches’ boxes; 2026 season)
- NCAA Softball Interpretations, Clarifications, Reminders (February 19 and March 24, 2026)
- NCAA Softball Case Book 2026 and 2027 (A.R. 5-21, 5-22, 5-23; hosted on NAIA’s site)
- NCAA, “Expanded use of one-way communication approved in baseball” (August 8, 2024)
- NCAA Baseball Rules Changes 2025–26 (5-16 recode from 5-2-f)
- NCAA Baseball Rules Committee annual report (July 9–11, 2024)
- NCAA Baseball Interpretations 2023–24 (October 2, 2023, electronic communication; March 19, 2024, dugout technology)
- NCAA Baseball Interpretations 2025–26 (pre-recorded earpiece on a first baseman)
- USA Softball 2025 Rulebook (Rule 4-7C)
- USA Softball Plays and Clarifications (January 2025)
- USA Softball, PitchCom partnership announcement (June 3, 2025; commercial partnership, not a rule)
- USSSA Fastpitch Rules (Rule 2, Section 13)
- USSSA Baseball National By-Laws 2026 (7.01.M)
- Perfect Game tournament rules (NCAA PitchCom-protocol language; confirm the event you entered)
- Alliance Fastpitch 2026 national-event modifications (NCAA 5.9.9 for those events)
- Triple Crown Fastpitch communication rules
- Triple Crown Fastpitch World Series rules (defense-only communication language)
- Triple Crown Baseball communication rules
- Little League 2025 rule and regulation updates (Rule 3.17)
- Little League 2026 rulebook significant updates (malfunctioning one-way device)