Meridian

Meridian M20L

Palm-size GNSS RTK receiver with a green laser, calibration-free IMU and 4G.

Tilt compensation accuracy≤2cm
Radio working distance15km
Operating time, RTK rover≤ 20 h
Weight≤ 699 g

Model: M20L
Brand: Meridian

Meridian M20L is a palm-size GNSS RTK receiver with a green laser for rodless measurement of hard-to-reach points. Laser accuracy is ±(8 mm + 3 mm/m) horizontally and ±(15 mm + 3 mm/m) vertically. Tilt compensation uses a 120° calibration-free IMU.

In stockBestseller−26%

~~64 800~~ 47 700 MDL Price incl. VAT

Price per kit: receiver, MC200 controller with software (Android), survey pole

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

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BrochuresBrochure — M20L High Precision Laser GNSS RTK Brochure 2025.11.10 EN Brochure — Meridian M20L Laser +Camera GNSS Receiver-2025.10.13 EN

01Description

The receiver has 1408 channels with support for all constellations including L-band, plus 4G, Bluetooth, WiFi and 32 GB of storage. The internal radio uses the MeridianLink protocol, and the 7.2 V / 7000 mAh battery supports USB PD quick charging. Runtime and protection class details are confirmed when requesting an offer.

Key features

Green laser for rodless measurement: H ±(8 mm + 3 mm/m), V ±(15 mm + 3 mm/m)
120° calibration-free IMU (tilt ≤2 cm at ≤60°)
1408 channels, full constellations including L-band
4G, Bluetooth, WiFi, 32 GB storage
Internal radio with the MeridianLink protocol
7.2 V / 7000 mAh battery, USB PD quick charge
Dimensions 125×125×79 mm

Typical use

The laser is useful for points where the pole cannot be placed: building corners, fences, dangerous or obstructed areas.

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, DAT
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+1×10-6·D)
RTK accuracy (RMS), vertical	±(15mm+1×10-6·D)
Static accuracy (RMS), horizontal	± (2.5mm+0.5-6·D)
Static accuracy (RMS), vertical	± (5mm+0.5-6·D)
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

Laser

Laser accuracy (RMS), horizontal	±(8mm+3mm/m)
Laser accuracy (RMS), vertical	±(15mm+3mm/m)
Laser type	Green laser

Communication

Bluetooth	SPP3.0+BLE5.0 Dual Mode, 2.4 GHz @ +6 dBm
Wi-Fi	802.11 a/b/g/n, 5.0GHz
LTE FDD bands	B1/3/5/7/8/20/28
LTE TDD bands	B34/38/39/40/41
WCDMA / UMTS bands	B1/5/8
GSM / GPRS / EDGE bands	B850/900/1800

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	15km (internal radio; from garbled brochure 2025.10.13)

System and memory

Internal storage	32GB

Power supply

Battery (voltage / capacity)	7.2V, 7000mAh lithium-ion Rechargeable Battery
Operating time, RTK rover	Up to 20 hours (Typical Power Consumption)
Operating time, static	Up to 40 hours (Typical Power Consumption)
Charging	Support USB PD 15V/2A (Supports Quick Charging Adapter)