Specifications:
RF Module:
Frequency: 433MHz
Weight: Under 4 grams (without antenna)
Receiver Sensitivity: -121 dBm
Transmit Power: Up to 20 dBm (100mW)
Data Rate: Up to 250 kbps (air)
Interface: Transparent serial link
Additional Features: TCXO, flash memory, SAW filter, LNA
Timepulse: Configurable from 0.25 Hz to 10 MHz
GNSS Receiver (u-blox M8 Engine):

Receiver Type: 72-channel u-blox M8 engine

Supported GNSS:

GPS/QZSS L1 C/A
GLONASS L10F
BeiDou B1
SBAS (WAAS, EGNOS, MSAS)
Galileo-ready E1B/C (NEO-M8N)

Update Rate:

Single GNSS: Up to 18 Hz
Concurrent GNSS: Up to 10 Hz

Position Accuracy: 2.0 m CEP

Acquisition Times:

Cold Start: 26s
Aided Start: 2s
Reacquisition: 1.5s

Sensitivity:

Tracking & Navigation: -167 dBm
Cold Start: -148 dBm
Hot Start: -156 dBm
Additional Features:

GNSS Assistance:

AssistNow GNSS Online
AssistNow GNSS Offline (up to 35 days)
AssistNow Autonomous (up to 6 days)
OMA SUPL & 3GPP compliant

Oscillator:

TCXO (NEO-M8N/Q)
Crystal (NEO-M8M)

RTC Crystal: Built-in

Noise Reduction:

On-chip LNA (NEO-M8M)
Additional LNA for lowest noise figure (NEO-M8N/Q)

Anti-Jamming:

Active CW detection and removal
Onboard SAW band-pass filter (NEO-M8N/Q)

Memory:

ROM (NEO-M8M/Q)
Flash (NEO-M8N)

Supported Antennas: Active and passive

Additional Functions:

Odometer for traveled distance tracking
Data-logger for position, velocity, and time (NEO-M8N)
Environmental & Compliance:

Operating Temperature: -40°C to 85°C

Storage Temperature:

-40°C to 85°C (NEO-M8N/Q)
-40°C to 105°C (NEO-M8M)

Compliance & Quality:

RoHS-compliant (lead-free)
ISO 16750 qualification
Manufactured in ISO/TS 16949-certified production sites
Uses u-blox M8 chips qualified to AEC-Q100 standards
Power Requirements:

Supply Voltage:

NEO-M8M: 1.65V to 3.6V
NEO-M8N/Q: 2.7V to 3.6V

Power Consumption:

Continuous Mode: 23 mA @ 3.0V
Power Save Mode (1Hz, GPS only): 5 mA @ 3.0V

Backup Supply: 1.4V to 3.6V

Module Variant:
NEO-M8N-0: u-blox M8 Concurrent GNSS LCC Module