Holux RCV-3000 - Technical Specification; Basic Specification; Acquisition Time; Receiver Accuracy

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Technical Specification
Basic Specification
• Chipset: MTK MT3333 chipset.
• Channels: 66 parallel satellite-search channels
• Frequency: L1, 1575.42 MHz (GPS), L1, 1602Mhz(GLONASS)
• Receiver: L1, C/A code.
• Built-in 4MB flash memory capable of recording 250,000 points of GPS data
Acquisition Time
• Reacquisition < 1 second
• Cold start < 35 seconds
• Warm start < 33 seconds
• Hot start < 1 second
* The above data are based on specifications of the MTK GPS chip
Receiver Accuracy
• Normal: < 3 meters CEP without SA
• Enable EGNOS or WAAS:
Position: < 2.2 meters, horizontal 95% of time
< 5 meters, Vertical 95% of time
• Velocity: within 0.1 meters / second
• Time: 0.1 microsecond synchronized GPS time
Use Limitation
• Altitude: < 18,000 meters (60,000 feet)
• Velocity: < 515 meters/ second (1000Knots)
• Acceleration: 4 G
• Jerk: 20 meters / second
3
, max
Power Supply
• External Voltage: 5V DC +/-5%
• Batteries: Main Power: Built-in rechargeable Lithium-ion for system power.
• Power Consumption: 50~60mA (Normal mode)/ 25mA (Power Saving).
• Auto Power saving mode.
• Circuit protection on RCV-3000 when over-
temperature condition 50°C
occurs.
Output and Interface
• Output
I. Output protocol
Baud Rate: 38400 bps
Data bit: 8
Parity: No
Stop bit: 1
II. Format. NMEA0183 V3.01:
GPGGA (1time/1 sec), GPGSA (1 time/5 sec.),
GPGSV (1ti
me /5 sec.), GPRMC (1time /1 sec.), GPVTG (1 time/1 sec),
(GLL, or MTK NMEA Command for optional).
III. Datum: WGS84.