GPS / GNSS Receivers
Kolida & FOIF RTK systems — centimetre-level precision for surveying and mapping across Kenya
Kolida K9T Pro RTK GNSS
Flagship Kolida RTK receiver with built-in 4G/LTE, UHF radio, Bluetooth and Wi-Fi. IP67 rugged, multi-constellation, ideal for East African field conditions.
RTK Accuracy
±8mm H / ±15mm V + 1ppm
Constellations
GPS+GLONASS+BDS+Galileo (556ch)
Data Link
4G LTE + UHF internal + BT
Battery
8 hours field operation
IP Rating
IP67 dust & waterproof
Weight
1.35 kg with battery
Kolida S680 GNSS Receiver
High-precision multi-frequency Kolida receiver with 800+ channel tracking, cloud data management, and 10-hour battery — the professional choice for precise static and RTK work.
RTK Accuracy
±2.5mm H + 0.5ppm
Static
±2.5mm H + 0.5ppm post-proc
Channels
800+ channels, all constellations
Memory
8 GB internal data logger
Battery
10 hours continuous
I/O
4G, Wi-Fi, Bluetooth, USB-C
FOIF A90 RTK + IMU Tilt
FOIF’s tilt-compensating RTK — measure to 60° without levelling the pole. Revolutionary for dense vegetation, rocky terrain, and awkward corners. Built-in display, hot-swap battery.
Tilt Range
60° — no levelling needed
RTK Accuracy
±10mm H / ±20mm V + 1ppm
Constellations
GPS, GLONASS, BDS, Galileo, QZSS
Battery
8 h hot-swappable
IP Rating
IP67
Display
2.4″ sunlight-readable colour
FOIF A30 RTK GNSS Receiver
Reliable, compact FOIF RTK for growing survey firms in Kenya. Multi-constellation tracking, integrated UHF radio, optional 4G modem. Excellent value with full after-sales support.
RTK Accuracy
±10mm H / ±20mm V + 1ppm
Constellations
GPS L1/L2, GLONASS, BDS
Radio
Internal UHF 400–470 MHz (2 W)
Battery
7+ hours
Op. Temp
-40°C to +65°C
Certifications
CE, FCC, IP67
Laser & Distance Measurement
Bosch Professional and Kolida laser levels and measuring tools — trusted on East African construction sites
Bosch GLL 3-80 3-Plane Laser
Professional self-levelling 3-plane laser from Bosch — projects horizontal, vertical, and cross lines simultaneously up to 80 m with detector. IP54 for site use.
Working Range
80 m with receiver
Accuracy
±0.3 mm/m self-levelling
Self-Levelling
±4° automatic
Laser Class
Class 2 red beam
Protection
IP54 splash & dust
Battery
4× AA / 20 hours
Bosch GCL 2-50G Green Cross-Line Laser
Bosch’s brightest cross-line laser — 4× more visible than red in bright outdoor conditions. Self-levelling with pendulum lock, IP65, and Bluetooth remote.
Visible Range
50 m green beam (outdoors)
Accuracy
±0.3 mm/m
Levelling
±4° auto + pendulum lock
Laser
Green 532 nm, Class 2
Protection
IP65
App
Bosch Levelling Remote (BT)
Bosch GLM 50-27C Laser Distance Measurer
Professional 50 m laser measurer with Bluetooth, colour display, and area/volume/Pythagoras functions. Ideal for site measurement, property surveys, and MEP work.
Range
0.05–50 m
Accuracy
±1.5 mm
Functions
Distance, area, volume, Pythagoras
Display
Colour with backlight
Bluetooth
iOS & Android compatible
Protection
IP54
Kolida PL-1 Pipe & Sewer Laser
Specialist grade-and-alignment laser for underground drainage and sewer installation. Wireless remote control for grade and direction from outside the trench. IP67.
Grade Range
±10% wireless adjustment
Grade Accuracy
±1 mm
Plumb Accuracy
±0.5 mm
Range
Up to 250 m in pipe
Pipe Diameter
200–2000 mm
Protection
IP67 submersible
Total Stations & Theodolites
Kolida & FOIF electronic total stations — reflectorless, robotic, and optical models for every budget
Manual Electronic Total Stations
Kolida KTS-442R Total Station
Workhorse Kolida TS with 2″ accuracy and 500 m reflectorless EDM. Compact, robust, and reliable for everyday cadastral, construction, and topographic survey in Kenya.
Angle Accuracy
2″ (0.6 mgon)
EDM Accuracy
±(2 mm + 2 ppm)
Reflectorless
500 m (RL mode)
Prism Range
3 000 m single prism
Memory
50 000 pts + USB
Battery
AA cells, 40+ hours
Kolida KTS-460R Total Station
High-precision 1″ Kolida TS with 600 m reflectorless range. Built-in intelligent programs: traverse, stake-out, offset, remote elevation, area. Dual-sided illuminated display.
Angle Accuracy
1″ (0.3 mgon)
EDM Accuracy
±(1.5 mm + 2 ppm)
Reflectorless
600 m
Prism Range
5 000 m
Memory
USB + 50 000 pts internal
Battery
Dual-sided, backlit
FOIF OTS635 Electronic Total Station
Reliable FOIF 5″ manual TS with long battery life and IP55 dust/splash protection — ideal for extended field operations across varied East African terrain. Great value.
Angle Accuracy
5″ (1.5 mgon)
EDM Accuracy
±(3 mm + 2 ppm)
Reflectorless
300 m
Prism Range
2 000 m
Protection
IP55
Battery
AA cells, 50+ hours
Robotic Total Station
FOIF RTS-860R Robotic Total Station
Professional one-person robotic TS from FOIF with automatic target recognition (ATR) up to 1 500 m and long-range prism tracking. Wireless pole-mounted controller included.
Angle Accuracy
2″
ATR Range
1 500 m auto-tracking
Reflectorless EDM
1 000 m
Prism EDM
5 000 m
Controller
Wireless pole-mounted tablet
Battery
Lithium, 14 hours
Theodolites
FOIF ET-02 Electronic Theodolite
Digital readout FOIF theodolite for angle measurement, column plumbing, and structural alignment. Simple, reliable, battery-efficient.
Angle Accuracy
2″
Magnification
30× telescope
Compensator
Single-axis automatic
Battery
AA cells, 40+ hours
Weight
4.2 kg with tribrach
Display
LCD digital readout
Kolida J2 Optical Theodolite
Classic battery-free optical theodolite. Ideal for teaching, training, backup instrumentation, and remote area surveys where battery supply is uncertain.
Type
Double-reading optical
Accuracy
2″ reading resolution
Magnification
28×
Battery
None — fully optical
Weight
5.0 kg
Use case
Training, backup, remote areas
Levels
Kolida & FOIF automatic and digital levels — precision vertical control for construction and levelling networks
Automatic / Dumpy Levels
Kolida KL-28 Automatic Level
Professional Kolida auto level — 28× magnification, ±1.0 mm/km accuracy, magnetic-dampened compensator. The workhorse for everyday construction levelling across Kenyan building sites.
Accuracy
±1.0 mm/km double-run
Magnification
28× (aperture 36 mm)
Compensator
Magnetic dampened ±15′
Min Focus
0.9 m
Weight
1.7 kg
Protection
IPX4
FOIF B20 Automatic Level
FOIF B20 precision auto level with 32× magnification and ±0.7 mm/km accuracy — suitable for second-order levelling. Parallel-plate micrometer option for first-order work.
Accuracy
±0.7 mm/km double-run
Magnification
32×
Compensator
Air dampened ±12′
Stadia
100 (standard)
Micrometer
PPM option available
Min focus
1.0 m
Digital / Electronic Levels
Kolida KL-2800 Digital Level
Kolida digital level with automatic bar-code staff reading — eliminates human reading errors and dramatically accelerates levelling. 10 000+ readings internal memory, USB output.
Accuracy
±0.5 mm/km double-run
Read Time
<3 sec auto bar-code
Memory
10 000+ readings
Staff
Bar-coded invar or aluminium
Manual Mode
Plain staff readable
Battery
AA, 700+ readings
FOIF EL302A Digital Level
FOIF digital level combining bar-code auto-reading with optical manual reading. Cost-effective entry to digital levelling — same field workflow as an auto level, better results.
Accuracy
±1.5 mm/km double-run
Read Time
<4 sec
Memory
2 000 readings
Staff
Bar-code or plain staff
Battery
AA, 400+ readings
Best For
Construction upgrade from auto level
UAV / Drone Systems — DJI Enterprise
Bosch Professional and Kolida laser levels and measuring tools — trusted on East African construction sites
DJI Phantom 4 RTK
The industry-standard professional mapping drone for East Africa. Built-in RTK delivers centimetre-accurate image georeferencing — eliminating or drastically reducing GCP requirements on every survey.
Camera
20 MP, 1″ CMOS, mech. shutter
RTK Accuracy
H ±1 cm + 1 ppm
Flight Time
30 minutes
Coverage
Up to 120 ha / battery set
GNSS
GPS+GLONASS+BDS+Galileo
Wind Resistance
10 m/s (36 km/h)
DJI Mavic 3 Enterprise (M3E)
Next-generation 45 MP enterprise drone with 4/3 CMOS mechanical-shutter camera and 45-minute flight time. Foldable, portable, omnidirectional obstacle sensing. RTK module attachment available.
Camera
4/3 CMOS, 45 MP, mech. shutter
RTK Option
M3E RTK module, 1 cm accuracy
Flight Time
45 minutes
Range
15 km (O3 Enterprise)
Sensing
Omnidirectional obstacle avoidance
Certification
KCAA commercial class
DJI Matrice 350 RTK
DJI’s most powerful enterprise platform — interchangeable payloads support Zenmuse P1 (photogrammetry), L2 (LiDAR), H20T (thermal+zoom). 55-minute flight time, IP55 all-weather.
Payload Capacity
2.7 kg (single), dual payload
Flight Time
55 minutes (no payload)
Protection
IP55 rain & dust
Wind Resistance
15 m/s (54 km/h)
RTK Accuracy
H 1 cm + 1 ppm
Payloads
P1, L2, H20T, H20, X9
DJI Agras T40 Agricultural Drone
DJI’s flagship precision agriculture platform — 40 L spray tank, 40+ ha/hour coverage, built-in multispectral for NDVI mapping. Transform large-scale Kenyan farms with data-driven inputs.
Tank Capacity
40 L spray tank
Flow Rate
16.8 L/min (8 nozzles)
Coverage
40+ ha / hour
Multispectral
Built-in NDVI/GNDVI
Obstacle Avoidance
Active, all directions
Control
App + remote + auto mission
Field Accessories
Prisms, tripods, staffs, controllers, batteries — complete survey accessories for Kolida and FOIF instruments
Kolida Survey Prisms & Reflectors
Full range of Kolida prisms — 360° mini for robotic TS, standard circular, tribrach-mounted sets, and monitoring prisms. Compatible with Kolida, FOIF, and most universal mounts.
Types
360° mini, standard, monitoring
Poles
1.5 m, 2.0 m, telescopic carbon
Compatibility
Kolida, FOIF, universal adaptor
Accuracy
Prism constant per model
Survey Tripods & Tribrachs
Aluminium and fibreglass tripods with flat and dome heads. Precision tribrachs with and without optical plummet — compatible with all standard 5/8″ threaded instruments.
Materials
Aluminium (standard), fibreglass
Head Types
Flat 5/8″, dome, forced-centring
Tribrach
With/without optical plummet
Compatibility
All 5/8″ survey instruments
Levelling Staffs & Rods
Bar-code (digital), E-pattern, and mm-graduation staffs in aluminium and fibreglass. Available 3 m, 4 m, and 5 m single-piece and telescopic.
Types
Bar-code, E-pattern, mm-graduated
Materials
Aluminium, fibreglass
Lengths
3 m, 4 m, 5 m; telescopic
Accessories
Staff bubble, holder, bag
Field Data Controllers & Tablets
Rugged field tablets for Kolida and FOIF TS and GNSS with sunlight-readable displays, MIL-STD-810G drop resistance, and KOLIDA Survey / FOIF Field software pre-installed.
OS
Android (latest)
Display
5″–7″ sunlight-readable touch
Protection
IP67, MIL-STD-810G
Battery
Hot-swap, 10+ hours
Software
KOLIDA / FOIF Field pre-loaded
Instrument Batteries & Chargers
Original Kolida and FOIF Li-Ion replacement batteries, dual chargers, and 12 V field power packs. Genuine OEM cells for maximum cycle life and full warranty protection.
Compatibility
Kolida and FOIF model-specific
Types
Li-Ion, NiMH as applicable
Chargers
Single, dual, vehicle 12 V
Extended
12 V field battery packs
Survey Sundries & Site Tools
Measuring tapes, ranging rods, survey pegs, marking spray, flagging tape, instrument cases, lens kits, and safety gear. Everything for a fully equipped Kenyan field team.
Tapes
20 m – 100 m fibreglass/steel
Ranging Rods
2 m aluminium or fibreglass
Cases
Hard shell & soft, instrument-matched
Consumables
Spray, flagging tape, PPE