Meridian

Meridian M20

Dual-camera visual GNSS RTK receiver with AR stakeout, calibration-free IMU and 4G.

Tilt compensation accuracy≤2cm
Radio working distance15 km
Operating time, RTK rover≤ 14 h
Weight650 g

Model: M20
Brand: Meridian

Meridian M20 is a dual-camera visual GNSS RTK receiver: a 5 MP AR camera and a 2 MP VR camera with a global shutter. It offers 360° AR stakeout, measuring points from images on site or later in the office, and tilt compensation with a 120° calibration-free IMU.

On order

Price on request

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

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BrochuresBrochure — M20 Dual Camera VISUAL GNSS RTK-2025.6.10 EN Brochure — Meridian M20 GNSS receiver brochure-2025.09.18 EN

01Description

The cameras turn the receiver into a visual survey tool: points can be measured from images, and AR stakeout switches between the controller and the rover. The internal MeridianLink radio has a working range of up to 15 km, and the receiver includes 4G, WiFi and Bluetooth.

Key features

Two cameras: 5 MP AR and 2 MP VR (global shutter)
Visual survey: measuring points from images on site or in the office
360° AR stakeout with switching between controller and rover
120° calibration-free IMU (tilt ≤2 cm at ≤60°)
Internal MeridianLink radio, range up to 15 km
1408 channels, Bluetooth, WiFi, 4G, 32 GB storage (up to 64 GB)

Typical use

The M20 suits surveying in hard-to-reach places and stakeout, where augmented-reality visualization speeds up the work. Runtime and weight figures are confirmed when requesting an offer.

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 output formats	NMEA-0183, RINEX, TXT
Data update rate	Up to 20Hz
Signal re-acquisition time	<1s
Cold start time	<40s

Positioning accuracy

Standalone positioning (RMS), horizontal	1.5m
Standalone positioning (RMS), vertical	3.0m
DGPS / code differential (RMS), horizontal	0.4m
DGPS / code differential (RMS), vertical	0.8m
RTK accuracy (RMS), horizontal	±(8mm+1ppm)
RTK accuracy (RMS), vertical	±(15mm+1ppm)
Static accuracy (RMS), horizontal	±(2.5mm+0.5ppm)
Static accuracy (RMS), vertical	±(5mm+0.5ppm)
Velocity accuracy (RMS)	0.03m/s
Velocity accuracy	≥0.03m/s
Time accuracy (RMS)	20ns

Tilt compensation and IMU

Tilt compensation accuracy	≤2cm(Tilt Angle≤60°, Up to 120°)
IMU update rate	200Hz
IMU (inertial unit)	120° calibration-free

Cameras

AR camera (live stakeout)	Global shutter with 5 MP
VR camera (photogrammetry)	Global shutter with 2 MP
VR camera field of view	75°C
Video frame rate	30fps
Image accuracy	2~4 cm 95% (2σ)@10m

Communication

Bluetooth	V2.1+EDR/V4.0 Dual Mode
Wi-Fi	802.11 a/b/g/n/ac
LTE FDD bands	B1/2/3/4/5/7/8/12/13/18/19/20/25/26/28
LTE TDD bands	B38/39/40/41
WCDMA / UMTS bands	B1/2/4/5/6/8/19
GSM / GPRS / EDGE bands	B2/3/5/8

Internal radio modem

Radio transmitting power	2W(37±1dBm) 1W(30±1dBm)
Radio frequency range	410~470MHz
Radio protocols	TRIMTALK, TRIMMK3, SOUTH, TRANSEOT, SATEL, MeridianLink
Air baud rate	9600, 19200
Radio working distance	15km (internal radio)

System and memory

Internal storage	32GB, Up to 64GB

Power supply

Battery (voltage / capacity)	7.2V, 6900 mAh lithium-ion Rechargeable Battery
Operating time, RTK rover	Up to 14 hours (Typical Power Consumption)
Operating time, static	Up to 22 hours (Typical Power Consumption)
Charging	Support USB PD 15V/2A (Supports Quick Charging Adapter)