# General Systems

- [Spectrum Device](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/spectrum-device.md): The Spectrum Device is a handheld transceiver that can act as an electromagnetic spectrum analyzer.
- [PMF-5.1](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/pmf-5.1.md): PMF-5.1 Is a MFD system that's used in APCs, Tanks, and MRAPs such as  T-14, T-15, K-17, K-16, Typhoon-K
- [RHS IR, NV and "Thermals"](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/rhs-ir-and-nv.md)
- [RHS Extended Inventory System](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/rhs-extended-inventory-system.md): Put stuff on your stuff
- [RHS Radial Menu](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/radial-menu.md)
- [Close Air Support](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/close-air-support.md)
- [Navigation and Positioning](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/navigation-and-positioning.md)
- [EARHS](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/earhs.md): EARHS is an independent subsystem of RHS modification that will allow you to interact with modern radios and other operational electronics on an immersive level.
- [GPS Radio Beacon](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/gps-beacon.md)
- [Garmin Tactix Bravo](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/garmin-tactix-bravo.md)
- [Default Key Bindings](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/default-key-binds.md)