Feature group

Feature

Sigma

Cableless systems with only shootblind capability

Cableless systems with some data return capability

Benefit of feature and related issues

Central recorder

Low cost, PC based

Limited functionality

Usually requires expensive CCU hardware

Sigma has unrivalled software functionality for recording truck-based and recorderless operations.
Does not require expensive on-going software licences.

User software

Full suites for observer, deployment, downloading, harvesting

Limited software functionality

Recorderless operations

Yes

Not always an option

Not an option

GoogleEarth integration

Yes

Not always an option

Limited