Meridian

Meridian M3Plus

Mini IMU GNSS RTK receiver with a UHF radio module, up to 300 g.

Tilt compensation accuracy≤1.5cm
Radio working distanceUp to 10 km
Operating time, RTK rover10 h
Weight≤ 300 g

Model: M3Plus
Brand: Meridian

Meridian M3Plus is an ultra-lightweight GNSS RTK receiver of up to 300 g with a calibration-free IMU. It supports both CORS and UHF radio RTK (MeridianLink protocol, range up to 10 km). Up to 10 hours as an RTK rover.

On order

44 500 MDL Price incl. VAT

Price per kit: receiver, MC55 controller with software (Android), survey pole

0% installments via Iute or Easy Credit. Online application and free delivery throughout Moldova.

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01Description

Meridian M3Plus extends the mini receiver family with a UHF radio module, so it can work with your own base station without relying on a mobile network. The configuration (radio and the optional cellular module) is specified when requesting an offer.

Key features

UHF radio with the MeridianLink protocol, working range up to 10 km
CORS and radio RTK modes
Calibration-free IMU: ≤1.5 cm at tilt ≤30°, operation up to 120°
1408 channels, full-frequency antenna
Optional LTE Cat 1 bis cellular module
Up to 10 hours as an RTK rover, IP67, weight ≤300 g

Typical use

The receiver can be worn on an armband, carried in a pocket or mounted on a pole.

For configuration and availability, send a request for a quote.

02Specifications

GNSS signals

Number of channels	1408
GPS	L1C/A, L1C, L2P(Y), L2C, L5
GLONASS	L1, L2, L3*
BeiDou (BDS)	B1I, B2I, B3I, B1C, B2a, B2b*
Galileo	E1, E5a, E5b, E6*
QZSS	L1C/A, L1C, L2C, L5, L6*
SBAS	L1, L5*
NavIC (IRNSS)	L5
L-band corrections	B2b PPP (Only for the Asian-Pacific Region) & HAS*
Correction data formats	CMR, CMR+, RTCM2.X, RTCM3.X
Data update rate	Up to 20Hz
Cold start time	≤30 Seconds
Hot start time	≤3 Seconds
Initialization time	≤5 Seconds (Typical)

Positioning accuracy

Standalone positioning (RMS), horizontal	1.5m
Standalone positioning (RMS), vertical	2.5m
DGPS / code differential (RMS), horizontal	0.4m
DGPS / code differential (RMS), vertical	0.8m
RTK accuracy (RMS), horizontal	±(8mm+1×10-6·D)
RTK accuracy (RMS), vertical	±(15mm+1×10-6·D)
Velocity accuracy	≥0.03m/s

Tilt compensation and IMU

Tilt compensation accuracy	≤1.5cm(Tilt Angle≤30°)
IMU (inertial unit)	120° calibration-free

Communication

Bluetooth	Bluetooth V4.0
Cellular module category	LTE Cat 1 bis
LTE FDD bands	B1/3/5/7/8/20/28

Internal radio modem

Radio transmitting power	2W(33±1dBm) 1W(30±1dBm)
Radio frequency range	410-470MHz
Radio protocols	SOUTH, TRIMTALK 450S, TRIMMK III, TRANSEOT, SATEL, MERIDIANLINK
Air baud rate	9600,19200,11000
Radio working distance	Up to 10 km (built-in 2W radio)

Power supply

Battery (voltage / capacity)	7.4V / 2500mAh lithium-ion Rechargeable Battery
Operating time, RTK rover	RTK Rover: Up to 10 Hours (Typical Power Consumption)

Operating conditions and protection

Operating temperature	-20°C~+75°C
Storage temperature	-40°C~+85°C
Shock resistance	1.6m Pole Drop Onto Concrete
Ingress protection (IP)	IP67
Humidity	95% No Condensation