Specification

Product	UM982 (dual-antenna)	UM982 Ultralight
Application	Rover Moving Baseline Rover Base Station (Recommend using H-RTK F9P-Base as base station)	Rover
Compass	IST8310	IST8310
GNSS	BDS B1I/B2I/B3I GPS L1C/A/L2P (Y)/L2C/L5 GLONASS L1/L2 Galileo E1/E5a/E5b QZSS L1/L2/L5	BDS B1I/B2I/B3I GPS L1C/A/L2P (Y)/L2C/L5 GLONASS L1/L2 Galileo E1/E5a/E5b QZSS L1/L2/L5
Antennas Peak Gain (MAX)	2.5 dBi	2.8 dBi
LNA Gain (typical)	33±2dB	22±2dB
Time-TO-First Fix	Cold start: ≤ 30s Hot start: ≤ 5s	Cold start: ≤ 30s Hot start: ≤ 5s
RTK-SurveyIn-Time	≤5 minute @2.0mCEP	≤5 minute @2.0mCEP
Data and Update Rate	20 Hz Positioning & Heading 20 Hz Raw Data observation	20 Hz Positioning & Heading 20 Hz Raw Data observation
Port	Port 1: GH1.25 10-pin Port 2: USB Type-c Port 3: UART 2 (GH1.25 6pin) Ultralight: GH1.25 8-pin	GH1.25 8-pin
Cable Length	GH 10P: 150mm GH 10P: 400mm GH 10P to 6P: 300mm	200mm
Antenna Connection Type	Board: SMA female Antenna: SMA male Ultralight: NA	NA
Baud rate: (Adjustable)	230400 5Hz default	230400 5Hz default
Working voltage:	4.75V~5.25V	4.75V~5.25V
Current Consumption	~350mA	400mA max
Dimensions	Board: 34.8*58.9*14.4mm Antenna Diameter: 27.5mm Antenna height: 59mm	⌀43.6*37.1mm
Weight	37.9g (without antennas)	25.4g

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