Wilson’s sensor ball and wrist devices for referees got a preseason tryout before the new NBA season. Find out how both of these gadgets work and what’s in store for the future of officiating tech.
Wondering what technical tests went down in the background on opening night this year? You saw the classic leather ball and the well-known refs, nothing too exciting on screen. But oh, there was a little hardware experiment that took place during the exhibition schedule. If you’re interested in Bluetooth, latency or replay rulings, here’s the technical breakdown and how it could affect betting.
Opening Night Tipped Off With Standard Gear
On Oct. 5, the NBA announced the preseason trial for 2 gadgets, a Bluetooth basketball from Wilson and wrist wearables for officials. By Oct. 20, both had cleared out. Ball data stayed in research mode the whole way, so referees kept calling games with eyes, whistles and the regular replay process.
Canada got a front-row seat. Toronto opened its exhibition slate against Miami in Quebec City on Oct. 3 (a first for NBA preseason play in that city), then hit Vancouver a week later. Out in Alberta, where a regulated online market launched July 13, bettors 18 and up need a phone that passes a geolocation check inside provincial borders, according to Covers, an odds and betting-analysis site giving the Raptors a 4% title chance.
Its Oct. 19 board priced the first-night matchups like so:
| Matchup | Title chances |
| Thunder vs. Spurs | 24% and 23% |
| 76ers vs. Knicks | 11% and 9% |
| Celtics vs. Pistons | 5% and 3% |
Defending champion New York started its repeat bid against LeBron James and Philadelphia. Huge night in the NBA, with zero sensors in the ball.
Wilson Built the Ball to Feel Boring
Funny thing about sports hardware: players want to forget it exists.
Wilson already knows the connected-ball game from the consumer side, where it sold a basketball that tracked shots through a paired phone app. Pro gear answers to a fussy test group. For the league version, Wilson tucked a Bluetooth sensor into the air valve, a spot built into the ball from day one, and readings such as acceleration beam out to a few antennas placed around the building, per a sensor design breakdown from Fast Company.
Added weight comes to around 1 gram, roughly 1/600 of the ball’s weight.
Tom Ryan, the NBA’s head of basketball research and development, ran the preseason as a blind test, so players didn’t know which game ball had the sensor. Summer League players didn’t notice any difference, and the ball had been used in the G League before the experiment. The goal was an identical feel, including the feedback, from teams.
Wrist Devices Cut Down the Back-and-Forth
Late in a tight fourth quarter, a clock glitches and a corner three gets logged as a two.
Last season, referees wore clip-on earpieces to talk with the Replay Center during reviews and stoppages. Wrist wearables give officials another direct channel to that same room. Designated uses during the trial:
- replay reviews that need a second look
- scoring changes, like that missing third point
- clock malfunctions, which tend to freeze a building fast
A Summer League pilot earned a “successful” label from the league. League officials kept the vendor and wireless protocol under wraps.
Connected Officiating Raises Real Data Questions
Signals have to land on time. Packed buildings throw thousands of phones, broadcast links and venue Wi-Fi into the same airspace, a stadium-sized cousin of the Wi-Fi congestion people fight at home by switching channels. Bluetooth from a spinning ball must punch through all of it consistently, game after game.
Soccer provides a look ahead. Sensor data played a key role this summer in canceling a Croatian goal against Portugal at the World Cup.
The process of gathering data and the responsibility of calling a foul are different endeavors. Sensors measure acceleration; the whistle is blown by humans assessing contact, intent and nuance. The publication of specific criteria beforehand builds credibility with fans when technology calls for a second and final time during preseason.
Live NBA Markets Could Get Cleaner Inputs
Why would a casual Canadian bettor care about a valve sensor?
Live odds jump on reviews, clock corrections and score changes. While the test ran, both devices stayed experimental, so in-game prices kept running off the official scorer’s numbers. Down the road, cleaner event data could explain a wiped bucket or a reset clock within seconds, and anyone refreshing in-play numbers on a phone already knows how much latency and uptime matter when a line moves mid-possession.
Regular Season Use Waits on a League Decision
Adam Silver suggested in May that automated refereeing could soon be coming to an NBA court near you. Regular-season games, including those in the NBA Cup starting Oct. 30, are currently played without the use of either device, but the league is now considering the future applications of the tech. Up next for the NBA: League officials will discuss reliability, potential officiating uses and whether the technology should be expanded beyond certain games. Sports-tech insiders should bookmark this league memo.