UniStrong e660 e650 Geosurvey UniStrong,E660 RTK GPS Surveying

Measurement:
24 Channels, L1 C/A Code, L1/L2 Full Cycle Carrier
2 Channels SBAS support
Multi-path reduce technology

Accuracy

Code Differential GPS Positioning
Horizontal: 0.2m +- 2ppm (2DRMS)
Vertical: 0.5m +- 2ppm (2DRMS)
Static Surveying
Horizontal: 5mm +- 1ppm (2DRMS)
Vertical: 10mm +- 1ppm (2DRMS)
Real-Time Kinematic Surveying
Horizontal: 10mm +- 1ppm (2DRMS)
Vertical: 20mm +- 1ppm (2DRMS)

Hardware

Physical:
Casing: Tough and lightweight fully sealed aluminum alloy
Dimension: 182mm x 174mm x 109mm (7.2in.x 6.8in.x 4.3in.)
Weight: 2.1kg (include internal batteries, internal radio and internal GSM/GPRS module)
Temperature: Operating: -30C to +60C(-22F to +140F)
             Bluetooth: -20C to 60C(-7F to 140F)
             Storage: -40¡æ to +70C(-40F to +158F)
Water/dustproof: IP67, immersion to depth of 1 m (3.28ft)
Shock: 1.5m drop to concrete
Humidity: 95%, condensing

Electrical
Battery: Rechargeable built-in Lithium-Ion battery
Power optional: 10-25V DC external power input with over-voltage protection on 7-pin Fisher port
Operating time on internal battery: 8 hours with UHF receive, varies with temperature
Power consumption: 4W

Communication and Data Storage
2 RS-232 ports, 1 external power port, 1 USB port (USB Host), Bluetooth
Fully integrated 2W UHF radio
Fully integrated GSM/GPRS module
External UHF radio support for RTK
Data storage on 1G internal memory
Data storage on controller with 128M internal memory (1G SD card largess)
Event marker output
1-10 Hz positioning
1 pulse per second output
CMR, CMR+, RTCM, Navcom NCT input and output
NMEA-0183 output

http://www.unistrong.com/english/Product.asp?BigClassName=Discontinued

http://geotechmabna.com/catalouges/e650.pdf

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FIS F18513HR Handheld Optical Power Meter

Our Fiber Optic Hand Held Power Meter is the essential tool for measuring optical power within a fiber optic link. The Fiber Optic Hand Held Power Meter is a solid performer, with 0.01dB resolution. Standard units test from +5dBm to -65dBm, . This Hand Held Fiber Optic Power Meter has a battery life of 70 hours and an auto shut off. This Fiber Optic Power meter is provided with Operating Manual, 9V Battery, and 2.5mm Universal Adapter
Product Number	Description
F18513HR	Fiber Optic Power MeterPM 0.01dB Resolution

http://www.fisblue.com/fiber-optic-hand-held-power-meter.html