The LT400HS is a rugged 120-channel GPS+GLONASS handheld receiver designed to achieve sub-meter to RTK centimeter accuracy in adverse mapping conditions. The LT400HS is the most cost-effective and powerful GNSS Solution for survey, construction and GIS professionals. 

The LT400HS is the perfect choice for companies which have not yet invested in GNSS technology due to cost or/and occasional equipment use (earth moving and landscape contractors, real estate developers, construction SMEs, agriculture irrigation, utilities mapping..).

Combined with DigiTerra Explorer Mobile GIS software, the LT400HS GNSS handheld offers feature-rich solution for accurate GIS field data collection and maintenance.


·         Features

·         Specifications

·         Resource

GNSS characteristics

120-channel signal tracking



L1, L2, L2C


L1, L2



Update rate


Time to first fix(1)

< 45 s (typical)

External antenna support



Performance specifications(1)


< 2 m RMS

SBAS real-time accuracy

< 1 m RMS

Network RTK


- Horizontal (external antenna)

2 cm + 1 ppm

- Horizontal (internal antenna)

< 10 cm + 2 ppm

- Initialization time

< 30 s

- Initialization reliability:

> 99.9%


System configuration

Windows Mobile 6.1 operating system


3.7” VGA transflective sunlight readable screen.



480×640 pixel

Processor speeda

806 MHz


- Internal 256 MB RAM and 256 MB flash storage


- External TF card slot, 4 GB as standard (up to 16 GB)

5.0 mega pixel autofocus camera




Internal GSM/GPRS modem 850/900/1800/1900 Mhz


Bluetooth class 2, version 2.1+ EDR protocol


1x USB port


Built-in microphone


Built-in Wi-Fi

802.11 b/g

SIM socket


Data I/O protocol




Size (LxWxH)

210 x 95 x 45 mm (8.3 x 3.7 x 1.8 in)


575 g with battery (20.3 oz)

Operating temperature

-30 °C to +65 °C (-22°F to 149°F)

Storage temperature

-45 °C to +75°C (-49°F to 167°F)

Waterproof and dust proof



survives a 1.2 meter drop on to concrete



Li-ion battery capacity

6800 mAh @ 3.7V

Battery life

typical 8 hours with GNSS on

Charging power

5 VDC via USB charger


Accessories (Optional)

Precision Kit

External geodetic GNSS antenna


2m pole


Pole bracket


GPS antenna cable


Transport hard case


Software (Optional)

Carlson’s SurvCE version 3


 DigiTerra Explorer 7 Professional Edition


(1) Accuracy  and  reliability  specifications  may  be  affected  by  multi  path, satellite  geometry  and  atmospheric  conditions.  Performances  assume minimum of  5 satellites, follow up of recommended general GPS practices. Specifications are subject to change without notice.

Data Controller


 Getac PS236

Getac PS236 is a high performance, fully rugged data controller for CHC GNSS solutions working in real-time RTK network.