non-invasive · EEG · shipping
Geodesic Sensor Net 256
Identity
- Manufacturer
- Electrical Geodesics
- Model number
- —
- Codename
- —
- Aliases
- EGI HCGSN 256, EGI Net Amps 300
- Generation
- —
- Country of origin
- US
- Released
- —
- Announced
- —
- Discontinued
- —
- Status
- shipping
Classification
- Invasiveness
- non-invasive
- Modalities
- EEG
- Primary modality
- EEG
- Direction
- read
- Categories
- research-grade, clinical-grade
- Form factor
- scalp-cap
- Use cases
- high-density EEG / ERP research, infant / pediatric EEG (HCGSN sizing from neonate to adult)
- Target users
- neuroscience-researcher, clinician
Electrodes
- Total channels
- 256
- Recording channels
- 256
- Reference channels
- —
- Electrode type
- wet-saline
- Material
- Ag/AgCl-pellet, sponge
- 10-20 positions
- —
- Requires gel
- No
- Requires saline
- Yes
- Prep time
- 15 min
- Reusable
- Yes
- Disposable
- No
Signal acquisition
- Sampling rate
- —
- ADC resolution
- —
- Notch filters
- —
- Onboard artifact rejection
- —
Stimulation
- Capable
- No
Connectivity
- Protocols
- ethernet
- Bluetooth
- —
- Bluetooth profiles
- —
- Concurrent mode
- —
- Encryption (transit)
- —
- Pairing methods
- —
- Cloud sync
- —
- Offline recording
- —
Power
- Sources
- wired
- Battery life (active)
- —
- Charging port
- —
- Charging time
- —
- Battery replaceable
- —
- Notes
- —
Software & data
- Mobile app
- No
- Cloud platform
- —
- Offline mode
- Yes
- Subscription required
- —
- Raw data access
- Yes
- Export formats
- —
- LSL support
- —
- Data ownership
- user
- Apps
- Net Station
SDK & developer access
- Has SDK
- —
- Open source
- —
- Languages
- —
- Web Bluetooth
- —
- Raw sample access
- Yes
- BCI paradigms
- —
- 3rd-party integrations
- —
- Docs
- —
Regulatory & clinical
- FDA status
- —
- CE mark
- —
- Certifications
- —
- Prescription required
- —
- Pediatric approved
- —
Pricing & availability
- MSRP
- —
- Current price
- —
- Subscription
- —
- Warranty
- —
- Return policy (days)
- —
- Where to buy
- Buy at egi.com
Editor’s take
In favor
- Sponge-based saline electrodes — no gel needed
- Sizes from neonate to adult
- 256 channels at ≤15 min setup
Against
- Damp wear time limited to ~12 h with HydroCel
- Higher per-net consumable cost than gel caps
Sources & provenance
- EGI — Geodesic Sensor Net product page
- Penn State SLEIC — HCGSN description
- EGI — Geodesic Sensor Net technical manual
Last reviewed