TECHNICAL SPECIFICATIONS
RTC: ±2 ppm (0–40 °C, CR3032 powered)
MCU (Auxiliary): Arm® Cortex®-M3 48 MHz, 32-bit CPU
MCU Memory: 128 KB flash, 20 KB SRAM, 8 MB external flash
On-board Sensors:
- Temperature: −40 °C to +80 °C, ±1.8 °C accuracy
- Barometer: 300–1100 hPa, ±1.7 hPa accuracy
Communication Interfaces:
- Cellular: Integrated 3G/4G LTE modem (HSDPA, EDGE, GPRS)
- Ethernet over USB 2.0
- Wi-Fi (2.4 GHz / 5 GHz IEEE 802.11 b/g/n/ac)
- GNSS high-sensitivity GPS (external antenna)
Cellular Bands (LTE): Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28, 38–41
Cellular Data Rates:
- LTE FDD: 150 Mbps (DL), 50 Mbps (UL)
- LTE TDD: 130 Mbps (DL), 35 Mbps (UL)
- WCDMA: 42 Mbps (DL), 5.7 Mbps (UL)
- GSM/EDGE: 296 Kbps (DL), 236.8 Kbps (UL)
RF Band: ISM 863–870 MHz / 902–928 MHz
Transmit Power: Up to 1 W (30 dBm)
Modulation: 2-GFSK
Network Capacity: Up to 50 nodes, 12 hops
Range: Up to 5 km (line-of-sight), 1 km (urban), 500 m (below ground)
Data Security: AES-128 encrypted end-to-end
Operating Temperature: −40 °C to +80 °C
Protection: IP67 rated die-cast aluminium enclosure
Power Supply: 12 V DC @ 3 A nominal (max 24 V DC)
Backup Battery: 1 × D-cell Li-SOCl₂ 3.6 V, 19 Ah
Typical Current Drain: 250 mA (operation), max 3 A
Solar Option: 12/24 V, 80 W panel minimum, 18 Ah lead-acid battery recommended
Interfaces: USB 2.0 Micro B, LEDs (SYS, NET, RF, WF), buttons (Wi-Fi toggle, Shutdown)
Firmware: Ackcio Mesh
Software: Ackcio Snape (on-Gateway), Ackcio Nimbus (mobile configuration)