11 Dec 2018

11 Dec 2018

N520 – Wifi Bluetooth Sensor Gateway



N520 – Wifi Bluetooth Sensor Gateway


  • Simple and cost effective solution for remote wireless live monitoring sensors

N520 Wireless Sensor Gateway Datasheet

  • Standalone and plug and play wireless sensors gateway
  • Up to 8 sensor channels monitored through wifi and Bluetooth.
  • Monitoring data is transferred to any devices or to clouds.
  • Up to 400 ksps for multiple channels or 1Msps for 1 channel
  • 12-bit ADC resolution
  • Wifi 2.4 GHz band
  • Bluetooth Low Energy v4.1
  • Temperature, Humidity, Pressure, Accelerator,  Compass, and Infrared sensors support on default
  • Easy to integrate with other sensors
  • Support clouds
  • Support Norstar AT commands and web interface to sensors setup
  • Long distance wireless range: up to 300m for wifi and 150m for Bluetooth
  • Application: Automotive, industrial sensors, smart home, etc.
  • DC power:5V
  • IP68 for all weather operations
  • RoHS, REACH and IEEE Compliant Solution

General Specifications

Sensor ADC
ADC resolution 12-bit
Number of ADC channels 8
Sampling rate per channel 400 ksps
Maximum sampling rate one channel 1 Msps
Analog voltage ADC input 0-1,8 V
Default sensors Temperature, humidity, pressure, accelerator, compass, infrared
WLAN Technology IEEE802.11bgn
Frequency 2.4GHz
Module type Standalone
Configuration and Connection AT Commands and Web interface
Active Power Save Green Tx & Low Power Listen
Power Supply 5V DC
Bluetooth version 4.1
Bluetooth Profiles GAP, GATT, SPP, SPPLE, HID, AN, BAS..
Firmware Norstar firmware
Real-time Operating System (RTOS) ThreadX
Clouds on default Amazon AWS, Norstar cloud
RF Characteristics
Rx Sensitivity
Wifi 2.4 GHz band
CCK 1 Mbps -94 dBm
CCK 11 Mbps -87 dBm
OFDM  6 Mbps -91.5 dBm
OFDM  54 Mbps -75 dBm
HT40 MCS0 – 92 dBm
HT40 MCS7 – 69.5 dBm
Tx Outputs 17 dBm
Rx Sensitivity -89 dBm at 1Mbps

-83 dBm at 3Mbps

Tx Power 10 dBm Maximum


Physical Characteristics
Operating Temperature -20͑°C to +85°C
Dimension (LXWXH) 14cm x 8.4cm x 3.5cm
Sensor connectors 3 RJ12
Weight 98g+/- 2.5g tolerance


Power Supplies

The N520 Wireless Sensor Gateway can be powered through 5V DC.


Temperature Default Measurement


Temperature Sensing -55°C to +125°C
Accuracy +/-0.5°C
Resolution 0.1°C


Humidity Default Measurement


Humidity Sensing 0-100%/-40°C to +85°C
Accuracy +/-3%
Resolution 0.4%

Pressure Default Measurement