State-of-the-art sensor technology, high accuracy, high-pressure working, long range and rugged high-quality build
make WiCap the perfect choice for for vehicles that will take you anywhere you want.
UK-designed ASIC (application-specific integrated circuit)
with 16 MHz 32-bit Cambridge ARM Cortex-M0 processor
and AES-128 bit encryption processor and fully-integrated Bluetooth transceiver.
Compatibility: Bluetooth 4.2 and above (ie including 5.0).
Uses Bluetooth Low Energy (BLE)
Compliance: ETSI EN 300 328 and EN 300 440 Class 2 (Europe), FCC CFR47 Part 15 (US) and ARIB STD-T66 (Japan)
0 dBm transmit output power
-20 dBm output power in 'Near Field Mode'
-93 dBm receiver sensitivity
Transmits while vehicle is stationary as well as moving.
Transmission interval: 3 minutes (average)
Range: up to 28-metres (as measured by Boo9
using iPhone 8 Plus, in-vehicle, running TPMSii app)
14 to 188psi
1 to 13bar
Pressure sensing: +/- 1% + LSD (last significant digit) at full scale
App pressure display increments: 0.1psi (0.1bar)
Incorporated but not applicable to externally-fitted sensors
Standby current: 2.2uA (less when not fitted to a tyre)
Battery capacity: 140 mAh. Not user replaceable.
Chemistry: Manganese oxide Lithium
Operational life: typically 2 years
Shelf life: typically 10 years.
Place of manufacture: Mainland China
Sensor weight: 10g
Lock nut weight: 2.5g
Sensor dimensions: 21.6mm max OD x 20mm height
Fitting: standard Schrader valve
Extension of valve when WiCap fitted: 13mm
(Please check that the WiCaps, when fitted,
will not extend beyond the outer wall of your tyres)
Wheel balance: may be impacted at high speeds by fitting sensors to tyre valves. Generally this is not an issue at legal towing speeds. If vibration is detected or you are in doubt, wheel balancing is recommended
Water and dust protection: IP67
(applicable only when WiCap is fitted to a tyre valve)
Presentation box with magnetic closure
WiCap sensors: 2 or 4
Lock nuts: 2 or 4
Folding spanner for easy lock nut and battery replacement
UK English user guide produced by Boo9
UK English safety guide produced by Boo9
TPMSii app for iOS (iPhone and iPad).
An Android version is available but currently there are compatibility issues with some Android versions.
Please contact us for the latest information re. work in progress.
Compatible with Bluetooth 4.2 and 5
App uses mobile device's screen for display of pressure data
Pressure limit warnings: speech, vibration, visual
Speech selectable: on/off
Pressure measurement range up to 180psi (13 bar)
Speech and visual warning (for low inflation pressure) lower limit range: 1.5 to 36.2 psi (0.1 to 2.5 bar)*
We are currently developing our own very advanced app. Customers will be advised when this app is available.
* We recommend setting the lower limit speech and visual warning threshold at 20% to 25% lower than cold inflation pressure. Due to software limitation,this is not possible with
tyre cold inflation pressures of > 45psi to 48psi respectively.
You'll still get accurate pressure readings whatever your tyre pressures or settings.
Speech and visual warning upper limit range:
40.6 to 92.8 psi (2.8 to 6.4 bar)
Speech and visual warning for rapid air loss:
unlimited pressure range)
Speech warning, where applicable: American English
Tyre pressures are displayed for up to four tyres
Pressure units used for screen display :
selectable psi, bar, kPa
Number of sensors supported: 2 to 4
Battery level warning
'WiCap' and 'Boo9' are trademarks of Boo9 Limited. © 2019 Boo9 Limited