We have 12ch, 24ch, 48ch seismic refraction cable with Mueller Connector/Kooter/Spring Split take-outs, terminated with LK-25/NK27/22-55S/24-61S connectors, we also have Y-Calbes.
We also have geophones in different frequency: 4.5Hz/10Hz/14Hz/28Hz/40Hz/60Hz/100Hz, with connectors compatible to the cable take-outs.