ANR-S281

Gateway Modbus rte 4g LTE, Lora. 1 Ethernet, 1 USB.

  • Bridgemeter® compatible equipment
  • Operating Temperature: -10-+70 ℃
  • CPU: ARM® Cortex ™ -m4 32Bits rtos
  • Memory: Max.2000 records and 500 alarm recorder.
  • Reserve battery: 3.7 V 900 mAh, lasts about 3 hours.

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The ANR-S281 is a perfect industrial concentrator for applications that require reliability, processing and low cost. It has a selection of interfaces and features designed by the Above-Net engineers team to solve problems found on equipment available on the market.

It has a frequency of 420hmz-450mhz, optional: 868MHz or 915MHz. With CPU ARM® Cortex ™ -m4 32Bits RTOs, low power consumption with power supply in waiting: 12V / 130MA; Working: 12V / 150MA; Charging battery: 12V / 180MA and reserve battery 3.7 V 900 mAh, lasts about 3 hours.

It is equipment that has higher processing capacity with max memory.2000 records and 500 alarm recorder.

Large operating temperature range: -10-+70 ℃, and light and compact chip with a weight of 450 g.

Technical file

Pdf download

Technical Specifications


CPUARM® Cortex ™ -m4 32Bits rtos
MemoryMax.2000 records and 500 alarm recorder.
Cell phoneGSM / 3G / 4G LTE / LORA
Frequency loraStandard: 420HMZ-450MHz, Optional: 868MHz or 915MHz
Related tensionRecommended: DC 12V / 1.5A, Track: 9-36VDC
Power supplyIn wait: 12V / 130MA; Working: 12V / 150MA;
Charging battery: 12V / 180MA
Reserve battery3.7 V 900 mAh, lasts about 3 hours.
USB portMicro USB
RJ45Interface Ethernet RJ45 10 / 100m
SIM CARD3V YES
Working temperature-10-+70℃
Humidity95% related humidity
Dimension488mm*75mm*30mm
Net weight450g