FieldLink PlayCall System®
Electronic Play Calling for Football & Basketball
Call the Play. See It Instantly.
FieldLink is a wireless electronic play-calling system that sends plays directly from the coach's tablet to the player's wristband display. No more hand signals, wristband charts, or running plays to the huddle. Crystal-clear text appears instantly on the player's wrist—secure, fast, and easy to read under any conditions.
Powered by LoraBlaster® Technology
500m+ Range
Covers entire stadium and practice fields
<100ms Delivery
Instant communication from sideline to field
AES-256 Encryption
Military-grade security prevents interception
NFHS Compliant
Approved for high school competition
COMPARISON & COMPONENTS
❌ Traditional Methods Pain Points
- Players misread signals in critical moments
- Hard to read, easily damaged, limited plays
- No security, coaches adjust mid-game
- Different players see different things
- Wastes timeouts and kills offensive tempo
- Disrupts rhythm and tires players
✓ FieldLink Electronic System Advantages
- Send plays instantly to entire team
- Easy to read in any lighting condition
- Impossible for opponents to steal
- Exact play name shown to every player simultaneously
- Change plays on the fly, maintain tempo
- Faster than any hand signal or chart
System Components
Coach Tablet & App
Complete Coaching Control from Anywhere
Rugged tablet with the FieldLink coaching app. Build your playbook, organize plays by category, and send to players with a single tap. **Works from sideline, press box, or dugout**—coach from anywhere in the stadium.
Features
- 10" touchscreen tablet (ruggedized, weather-resistant)
- FieldLink coaching app (iOS/Android compatible)
- Unlimited plays & formations - import your playbook
- Quick-tap play grid interface - find plays instantly
- Integrated LoRa transmitter module - no extra hardware needed
- Edit plays on the fly - make adjustments during games
- Multi-coach access - coordinators can send plays too
- Real-time delivery confirmation - know when players received it
Player Wristband Display
Instant, Crystal-Clear Communication
Low-power e-ink display worn like a traditional wristband playcard. Receives plays wirelessly and displays text clearly—readable in bright sun or under stadium lights. Players get the play without looking to the sideline.
Specifications
- High-contrast e-ink display - sunlight readable
- Fits like standard QB wristband - comfortable, familiar feel
- Impact and sweat resistant - built for competition
- Rechargeable battery (8+ hours) - lasts all day
- Lightweight (under 2 oz) - players won't notice it
- Adjustable strap (fits all) - youth to adult sizes
- Water and weather resistant - rain or shine
- Vibration alert option - feel when play arrives
How It Works
1️⃣
Coach Selects Play
Tap the play on the tablet's touchscreen grid
2️⃣
Instant Transmission
Play sent via encrypted LoRa signal in <100ms
3️⃣
Player Sees Play
Play name appears on wristband display
4️⃣
Execute
Players run the play without breaking huddle or looking to sideline
Applications Beyond Sports
Team Sports
Football, basketball, baseball, soccer play calling
Tactical Operations
Military and law enforcement secure communications
Event Coordination
Large venue staff communication
Industrial
Warehouse and manufacturing team coordination
Emergency Response
First responder group coordination
Why Choose FieldLink?
🔒 Anti-Sign Stealing Security
AES-256 military-grade encryption makes it impossible for opponents to intercept or decode your plays. Each system has a unique encryption key.
📶 Extended LoRa Range
500m+ range covers any field with room to spare. Call plays from sideline, press box, or even the parking lot. LoRa cuts through stadium interference.
☀️ Readable Anywhere
E-ink display is crisp and clear in direct sunlight, under Friday night lights, or in any weather. No glare, no squinting—just read and run.
⚡ Instant Delivery
Plays appear on the wristband in under 100 milliseconds. No delay between the call and the huddle knowing the play.
💪 Game-Day Tough
Impact-tested and sweat-resistant. Built to survive tackles, slides, and the general punishment of game day. TÜV safety certified.
✏️ Edit On The Fly
Add, edit, or reorganize plays directly from the sideline between drives or at halftime. Your playbook adapts as fast as you do.
Additional Capabilities
👥 Multi-Coach Access
Coordinators can send plays too. Offensive, defensive, and special teams coaches can all use the system simultaneously.
📊 Delivery Confirmation
Real-time confirmation shows when each player has received the play. Know exactly when your team is ready.
🔄 No Internet Required
LoRa mesh network operates independently—no WiFi, no cellular, no monthly fees. Works anywhere, even in remote practice fields.
The Future of Play Calling
Football Mode
- Formation + Play name display
- Quick-tap grid organized by situation
- Separate offense/defense/special teams
- Audible/check-with-me support
- QB + captain wristbands
- NFHS & NCAA compliant
Baseball/Softball Mode
- Pitch calling to catcher
- Defensive positioning signals
- Base running commands
- Eliminates sign-stealing completely
- Catcher + middle infielder bands
- NCAA compliant
Technical Specifications
Player Wristband Display
Specification
Display Type
Visibility
Wireless
Encryption
Range
Latency
Water/Impact Rating
Charging
Battery Life
Weight
Strap Size
Operating Temp
Value
2.9" e-ink (296 x 128 pixels), high contrast
180° viewing angle, sunlight readable, night visible
LoRa 902-928 MHz (LoraBlaster® technology)
AES-256 bit end-to-end encryption
500m+ (1,600 ft) line of sight
<100ms end-to-end delivery
8+ hours active use, 30 days standby
USB-C magnetic charging, 1 hour to full
IP65 water resistant, TUV impact certified
48g (1.7 oz) including strap
Adjustable 5"-10" (fits youth through adult)
14°F to +122°F (-10°C to +50°C)
Coach Tablet & Transmitter
Specification
Tablet
App Compatibility
LoRa Transmitter
Max Wristbands
Playbook Capacity
Tablet Battery
Cloud Sync
Value
10.1" rugged tablet, sunlight readable display
iOS 14+ / Android 10+ (app included)
Integrated module, FCC certified
Up to 15 wristbands per system
Unlimited plays, formations, and categories
8+ hours active use
Optional—backup playbooks to cloud
Package Options
Starter Package
1 Coach Tablet + 5 Player Wristbands
- 1 Coach Tablet + App
- 2 Player Wristbands
- Charging Dock
- Carry Case
- 1-Year Warranty
Team Package
1 Coach Tablet + 11 Player Wristbands
- 1 Coach Tablet + App
- 5 Player Wristbands
- Multi-Device Charger
- Rolling Equipment Case
- 2-Year Warranty
Complete System
1 Coach Tablet + 22 Player Wristbands
- 2 Coach Tablet + App
- 10 Player Wristbands
- Premium Charging Station
- Pelican Road Case
- 3-Year Warranty + Support
Add-On Options
- Additional wristbands (sold individually)
- Extra coach tablets for coordinators
- Replacement batteries and charging docks
Technical Specifications
Communication
- LoraBlaster® Secure Mesh Network
- AES-256 encryption
- 500m+ line-of-sight range
- <100ms message delivery
- No cellular or internet required
- Self-healing mesh architecture
Coach Controller
- iPad/Android tablet app
- Wireless adapter (USB or Bluetooth)
- Programmable message templates
- Support for 100+ players per network
- Real-time delivery confirmation
Player Wristbands
- High-contrast LCD display
- Easy-read text in any lighting
- Lightweight, comfortable design
- Water-resistant construction
- 8+ hour battery life
- Rechargeable via USB
Compliance
- NFHS approved for high school sports
- NCAA compliant (check current rules)
- FCC certified
- CE marked for European markets
Why FieldLink?
Faster Play Calling
Get plays to your team in under 100ms—faster than any hand signal or sideline chart.
Eliminate Confusion
Every player sees the exact same play at the exact same time. No miscommunication.
Maintain Tempo
Keep your offense moving at game speed without breaking rhythm for play calls.
Secure Communication
AES-256 encryption ensures opponents can't intercept your plays.
Works Anywhere
No cellular or internet connection needed. Reliable even in packed stadiums with heavy RF interference.
Who Uses FieldLink?
Football Programs
Youth, HS, college, semi-pro
Baseball Teams
Travel ball, HS, college, NCAA
Softball Programs
Travel, HS, college, fastpitch
League Compliance
FieldLink is designed to comply with electronic communication rules for various leagues and governing bodies:
- NFHS (National Federation of State High School Associations) — Football
- NCAA — Baseball & Softball (approved for pitch calling)
- USSSA — Softball
- Youth football leagues (check local rules)
What Coaches Are Saying
FieldLink changed our offensive tempo completely. We can run 90 plays a game now without huddles. Game changer.
Coach Mike Stevens
Westlake High School Football
No more missed signals, no more confusion. Every player gets the exact same play at the exact same time.
Coach Sarah Martinez
Jefferson Basketball
The encryption gives us peace of mind. We know our opponents can't steal our plays.
Coach Tom Richardson
State Championship Program
Ready to Transform Your Play Calling?
Contact us to schedule a demo or request a quote for your team.
- 1-800-NEXTERA
- sports@nexteraiot.com