丨 Product IntroductionAK330 supports full-band signal reception for Beidou, GPS, and GLONASS; multi-constellation collaboration enhances positioning stability and accuracy in complex environments. It features a 9~36V wide-voltage power supply compatible with vehicle-mounted and outdoor scenarios, plus industrial-grade RS485 and Bluetooth dual transmission for stable long-distance anti-interference data transfer and flexible short-distance debugging, ideal for surveying, precision agriculture, UAV operations, and geohazard monitoring.
Product Features:
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Built-in advanced all-system, all-frequency GNSS module.
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Supports BDS, GPS, GLONASS, Galileo, and QZSS.
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Can be used as a rover station.
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Supports Bluetooth 2.0 transparent transmission.
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Adopts vehicle-standard 9‑36V wide‑voltage input.
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Supports RS485 output for long‑range anti‑interference transmission.
丨 Product Structure
Interface Description
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5 line markings
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Feature Introduction
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4-core aviation connector connection end
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DC+(9-36V)
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positive power terminal
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Aviation connector power supply+terminal
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485-
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RS485 signal negative terminal
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Aviation connector 485- end
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485+
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RS485 signal positive terminal
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Aviation connector 485+end
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DC-(GND)
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Negative pole of power supply/signal ground
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Aviation connector power supply - terminal
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Shield ground
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Anti interference grounding
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-(handled separately)
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丨 Specification parameters
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Specification parameters
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GNSS module
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1
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working frequency
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BDS: B1I B2I B3I B1C B2a B2b
GPS: L1 C/A L1C L2P (Y) L2C L5
GLONASS: L1 L2
Galileo: E1 E5a E5b E6
QZSS: L1 L2 L5 L6
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2
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Receiving channel
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1408 channel
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3
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Single point positioning
(RMS)
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Plane: 1.5m
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Elevation: 2.5m
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4
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DGPS(RMS)
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Plane: 0.4m+1ppm
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Elevation: 0.8m+1ppm
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5
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RTK(RMS)
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Flat: 0.008m+1ppm
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Elevation: 0.015m+1ppm
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6
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Observation accuracy(RMS)
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BDS
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GPS
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GLONASS
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Galileo
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7
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B1I/B1C/L1C/L1 C/A/E1/G1 pseudorange
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10cm
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10cm
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10cm
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10cm
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8
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B1I/B1C/L1C/L1 C/A/E1/G1 Carrier Phase
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1mm
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1mm
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1mm
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1mm
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9
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B3I/L2P(Y)/L2C/G2 pseudorange
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10cm
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10cm
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10cm
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10cm
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10
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B3I/L2P(Y)/L2C/G2Carrier Phase
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1mm
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1mm
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1mm
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1mm
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11
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B2I/B2a/ B2b/L5/E5a/E5b pseudorange
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10cm
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10cm
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10cm
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10cm
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12
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B2I/B2a/ B2b/L5/E5a/E5b Carrier Phase
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1mm
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1mm
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1mm
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1mm
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13
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Time accuracy (RMS)
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10ns
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14
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Speed accuracy (RMS)
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0.03m/s
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15
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cold boot
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＜10s
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16
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Initialization time
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<5s (typical value)
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17
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Initialize reliability
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＞99.9%
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Bluetooth module
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1
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Bluetooth version
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2.0
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2
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operating frequency band
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2.4G
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3
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air speed
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2Mbps
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4
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reference distance
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10m
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Data format
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1
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Differential data
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RTCM3.X
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2
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output format
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NMEA-0183, RTCM3.X
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3
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Data update rate
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1Hz-20Hz(default 1Hz)
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Electrical
performance
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1
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Power Supply
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DC +9V ~ +36V
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2
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power waste
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＜3W
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Physical
parameters
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1
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size
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Φ156.6*61mm
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2
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weight
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551g
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3
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output interface
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RS485
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Environmental
Specifications
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1
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working temperature
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-25℃ ~ +75℃
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2
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Storage temperature
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-55℃ ~ +85℃
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3
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humidity
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100% fully sealed, anti condensation
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Packaging and Delivery：
