Feature group

Feature

Sigma

Cableless systems with only shootblind capability

Cableless systems with some data return capability

Benefit of feature and related issues

Remote control (cableless) of battery/power use

Included

Not possible

Yes

Shoot blind systems provide no way to switch on/off battery, to conserve power, reducing battery life.

Remote battery (cableless) monitoring

Included

Not possible

Yes

Lithium Ion/Polymer battery

Option

In some cases

In some cases

Lithium often has poor low temperature characteristics, not recommended for all survey environments.

Wide choice of battery chemistry

Yes

In some cases

Not always an option

Cableless systems need high number of batteries. It is important to provide choice to the end user.

Wide choice of battery capacities

Yes

In some cases

Not always an option

Wide choice of battery charger

Yes

In some cases

Not always an option

Hot swap

Yes

In some cases

Yes

Solar panel

Option

In some cases

In some cases