GPS 18 Technical Specifications (190-00307-00) Rev. D
Page 5
1.5 TECHNICAL SPECIFICATIONS
Specifications are subject to change without notice.
1.5.1 Physical Characteristics
1.5.1.1 Size
61 mm in diameter and 19.5 mm in height
1.5.1.2 Weight
• GPS 18 unit only (no cable): 1.9 oz (53.9 g)
• GPS 18 USB: 3.5 oz (100.4 g)
• GPS 18 PC: 6.5 oz (184.6 g)
• GPS 18 LVC (3 meter cable): 3.9 oz (110.6 g)
• GPS 18 LVC-5m (5 meter cable): 5.7 oz (161.6 g)
• GPS 18-5Hz (5 meter cable): 5.7 oz (161.6 g)
1.5.1.3 Color
Black
1.5.1.4 Case Material
Polycarbonate thermoplastic that is waterproof to IEC 60529 IPX7 level (immersion in 1 meter of water for
30 minutes)
1.5.1.5 Cable Length
• GPS 18 USB: 2 meter
• GPS 18 PC: 2 meter
• GPS 18 LVC: 3 meter (Garmin Part Number 010-00321-05)
• GPS 18 LVC-5m: 5 meter (Garmin Part Number 010-00321-06)
• GPS 18-5Hz: 5 meter
1.5.2 Electrical Characteristics
1.5.2.1 Input Voltage
• GPS 18 USB: 4.4–5.5 V
• GPS 18 PC: 8–30 V (Automotive supply from cigarette lighter jack)
• GPS 18 LVC: 4.0–5.5 V
• GPS 18-5Hz: 4.0–5.5 V
1.5.2.2 Input Current
• GPS 18 USB: 55 mA @ 5.0 V
• GPS 18 PC: 50 mA @ 13.8 V
• GPS 18 LVC: 60 mA @ 5.0 V
• GPS 18-5Hz: 65 mA @ 5.0 V
1.5.2.3 CMOS Serial Output Levels
• GPS 18 PC: 0 V to 5 V (Asynchronous Serial, TIA-232-F (RS-232) Compatible Polarity)
• GPS 18 LVC and GPS 18-5Hz: 0 V to Vin, between 4 and 5.5 V (Asynchronous Serial, TIA-232-F
(RS-232) Compatible Polarity)
