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2904.GM.NB

The Avior ECO (2904.GM.NB) is a low-power DIN rail-mounted cellular controller with built-in GNSS positioning, designed for remote monitoring and control of mobile assets, off-grid sites, and solar-powered installations where both location tracking and energy budget matter. This version runs directly on mains power (85–264 VAC, 47–63 Hz / 120–370 VDC) and includes built-in 2G/3G/4G cellular connectivity for primary connection. A factory-installed Li-Poly backup battery provides 15 minutes to 6 hours of operation during power loss. It combines 6 digital inputs, 4 analog inputs, and 4 relay outputs with an embedded web server, Modbus, MQTT, and HTTP support — enabling local and remote control without additional middleware. Alerts can be sent via SMS, call, email, chat, HTTP, or MQTT on any local event.

The integrated multi-constellation GNSS receiver (GPS, GLONASS, Galileo, BeiDou) tracks up to 55 satellites with better than 2.5 m accuracy. Like the rest of the ECO family, this unit has no WiFi or Bluetooth — it operates exclusively over cellular and supports Sleep (30 mW) and Hibernate (0.8 mW) low-power modes. Analog inputs accept 0–10 V, 0–20 mA, or NTC signals (±2% accuracy); relay outputs are rated 3 A / 250 VAC. The unit fits a 4-module DIN EN-50022 rail, is rated IP40, and operates from −20 °C to +60 °C.

Note: Cellular requires a microSIM (3FF, 3 V / 1.8 V) — not included. A GNSS antenna with SMA male connector is required for satellite positioning and is sold separately.
Price
352.50 € 352.50 € (Tax excluded)
352.50 € (Tax excluded)

Terms and Conditions

Key features


6 digital inputs3–9 VDC · pulse counter · running counter up to 999 999 min
4 analog inputs0–10 V · 0–20 mA · NTC · ±2% accuracy
4 relay outputsSPST · 3 A / 250 VAC · 750 VA breaking capacity
Built-in 4G LTELTE B3/B7/B20 · UMTS/GSM fallback · microSIM 3FF
Low power modesSleep 30 mW · Hibernate 0.8 mW · ideal for off-grid sites
Mains powered85–264 VAC / 120–370 VDC · 47–63 Hz · battery backup
Built-in GNSSGPS · GLONASS · Galileo · BeiDou · < 2.5 m accuracy
Modbus · MQTT · HTTPNative protocols · embedded WebServer · cloud integration
DIN rail · IP40EN-50022 · 4 modules · −20 to +60 °C · UL94-V0


Technical Specs


LTE bandsB3 / B7 / B20 (1800 / 2600 / 800 MHz)
UMTS bandsB1 / B8 (2100 / 900 MHz)
GSM bandsB3 / B8 (900 / 1800 MHz)
SIM cardmicroSIM 3FF – 3 V / 1.8 V
LTE uplinkup to 8.96 Mbps
LTE downlinkup to 10 Mbps
UMTS uplinkup to 42 Mbps
UMTS downlink5.76 Mbps
EDGE uplinkup to 236.8 Kbps
GPRS downlink107 Kbps


SystemsGPS · GLONASS · Galileo · BeiDou
Sensitivity−162 dBm
Time to first fix35 s cold · 26 s warm · 3 s hot
Satellitesup to 55
Accuracybetter than 2.5 m
Antenna connectorSMA female · 50 Ω
Antenna gain≥ 0 dBi to < 18 dBi (active antenna supported)
FrequencyGPS L1 1575.42 MHz · GLONASS 1597.55–1605.89 MHz
AntennaNot included — sold separately


Input voltage3–9 VDC
Input current2 mA @ 5 V
Activation time1–35535 s
Pulse counter width> 20 ms
Pulse counter frequency< 25 Hz
Running counterup to 999 999 min


Input types0–10 V · 0–20 mA · NTC
Resolution0.014 V · 0.028 mA · 0.1 °C
Impedance35 kΩ (voltage) · 100 Ω (current)
Accuracy±2%
Full scale value±1 000 000
Zero readingAdjustable


Contact typeSPST
Rated current3 A
Rated voltage250 VAC
Breaking capacity750 VA max


SerialRS-232 via RJ45 · 115200 bps · 8N1
Aux power (RJ45)5 VDC · 50–300 mA
ProtocolsModbus · MQTT · HTTP · embedded WebServer


AC input85–264 VAC · 47–63 Hz
DC input120–370 VDC (polarity independent)
Current< 100 mA @ 230 VAC
Sleep mode30 mW
Hibernate mode0.8 mW
Backup batteryLi-Poly (included)


TypeLithium-polymer (rechargeable, replaceable)
Voltage3.7 V (4.2 V full charge)
Capacity> 320 mAh · 1.26 Wh
Backup time15 min to 6 h (depending on conditions)
Charging temp.0 °C to +45 °C
Operating temp.−10 °C to +40 °C
Typical lifetime~2–3 years
IncludedYes (factory-installed)


MountingDIN EN-50022 rail · 4 modules
MaterialPolycarbonate self-extinguishing UL94-V0
Weight< 200 g
ProtectionIP40
Insulation classClass II – double insulation
Operating temperature−20 °C to +60 °C
Relative humidity5–95% non-condensing
Max altitude2000 m



Cellular: Built-in 4G LTE with UMTS and GSM fallback. Requires a microSIM (3FF, 3 V / 1.8 V) — not included.


GNSS antenna: A GNSS antenna with SMA male connector is required for satellite positioning and is sold separately. Combined RF/GNSS antennas are not recommended.


Low-power operation: The Avior ECO supports Sleep (30 mW) and Hibernate (0.8 mW) modes for off-grid or solar-powered installations where energy budget is critical.


Documentation


Avior ECO Extended Guide

Build the perfect configuration

Everything you need to complete your setup!

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