Model Number: SF884W Brand Name: Saftire Key Specifications/Special Features: Sensor built-out installationTPMS receiver communicated to dashboard via UART port of RS232We can provide communication protocol When more than 8 tires using two repeatersCan be used together with display

Convertible pressure unit, bar/psi,via GPS

High/low pressure, slow/fast leakage, high temperature, low battery alarm, sensor failure alarm via GPS

Real-time tire data monitoring

Visual/audible alarm via GPS

Wireless transmission

Includes:

• RS232 receiver: 1 piece
• sensor: 6 to 26 pieces
• Manual: 1 piece
• Repeaters: 1 to 2 pieces
• Screw: 4 pieces
• Display: option

Sensor:

• Operating frequency:433.92MHz ±28kHz
• Operating voltage:2.0-3.3V
• Operating current:≤10mA
• Static current:≤1uA
• Operating temperature:-20 to 85°C
• Storage temperature:-40 to 125°C
• Battery model:CR1632
• Battery lifespan:≥2 years
• Weight: 17g ±0.5g
• Pressure range: 0-13bar/0-188psi

RS232 receiver:

• Operating frequency:433.92MHz ±68kHz
• Operating voltage:9-12V DC
• Operating current:≤20mA
• Static current: ≤10mA
• Operating temperature:-20 to 70°C/-4 to 185°F
• Communication: UART
• Baud rate: 19,200kbps
• RF receiver sensitivity: ≥105dBm

Repeater:

• Operating frequency:433.92MHz ±68kHz
• Operating voltage:9-30V DC
• Operating current:≤50mA
• Static current:≤10mA
• Operating temperature:-20 to 85°C
• Storage temperature:-40 to 125°C
• Power supply:trunk power
• RF transmitter power: <10dBm
• RF receiver sensitivity: ≥105dBm

Default warning value:

• Low pressure alarm threshold default: 7.5 bar/109psi
• High pressure alarm threshold default: 12.5 bar/181psi
• High temperature:75°C