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SFR-system orienteering

Welcome to SFR punching system official website!

SFR-system is reliable punching system designed for orienteering, rogaining and adventure racing.
SFR-system finally approved by IOF for Foot-O events.


Base Unit SFR U5


Base unit U5 is simple and reliable device. It has two operation modes.
Mode 1 called «Press to punch» is the most energy-efficient operation mode. When the station is in a sleep mode (real time clock work only), pressing the button activates it and then punch data transmitted to the card (activation time is less than 0.01 sec.).
Mode 2 is called «Punch on fly». In this mode the station continuously searches for the card and writes down the data when found. In both modes station produce sound and light signals as a confirmation of successful punch.

Brief datasheet:

FunctionsClearing, Start, Finish, Control point
Punch time < 0,1 sec — Start, Finish and Control point < 2 sec — Clearing (for 58-stamps card)
BatteryReplaceable Li/SOCl 2 3,6V ER-14335M (1350 mAh)
Operating range3-10 cm, depending of card size
Operating temperature range .-25°C to 55°C
Size99 x 45 x 19 mm
Weight57 g
ColorSemi-transparent green

Price: 59.00 euro.


petal e-card

Card C4, while being soft and absolutely safe, is also tight and lightweight. It provides an operating distance range of 5 cm . Punch process with e-tag is very straightforward. Indeed it is the same as pressing the floor button in elevator!

Brief datasheet:

Functions Competitor’s card, Base station set card
Memory size 122 number & time stamps — start, finish, control points
Operating distance range 5 cm
Operating temperature range . -25°C to 70°C
Size (excl. fastening)80 x 30 x 5 mm
Weight (incl. fastening) 10 g
Color Green with yellow (for private cards) or red (for rental cards)

Price: 6.90 euro.

Readout unit

The readout unit is the base unit U5 completed by standard USB port for communication with a computer. It is provided with the required firmware. The unit is used for data recording (control code, time, function, mode) to base units using e-card, and also for all operations with cards of competitors including data reading after the finish. The readout unit also can be used as an online control with external communicator.

Price: 69.00 euro.

Download instruction (pdf) for competitors
Download instruction (pdf) for organizers