sHaLow/all
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Wi-Fi HaLow is a wireless communication technology based on IEEE 802.11 ah, newly established by the Wi-Fi Alliance, and is a next-generation wireless LAN technology that can transmit data from various IoT devices over long distances.
SystemBase sHaLow/all is a wireless gateway converter that provides Wi-Fi HaLow wireless communication functionality to devices supporting RS232/RS422/RS485 signals. It supports RS232/RS422/RS485 communication at speeds of up to 921.6kbps over wired sections and is equipped with Wi-Fi HaLow at speeds of up to 1.5Mbps over wireless sections. It is SystemBase’s next-generation wireless communication device that overcomes the limitations of short-range communication technologies such as conventional Wi-Fi and BLE.
Users can build mid- to long-range wireless networks by using Wi-Fi HaLow products such as sHaLow/all, eHaLow/Br, and uHaLow, and apply them to various networks such as smart grids and sensor networks.
IEEE 802.11 ah (Wi-Fi HaLow), approved by the Wi-Fi Alliance in 2016, is a WLAN technology that uses the 921.5 to 922.5MHz (USN1 Band). The 2.4GHz ISM band used by conventional Wi-Fi and BLE has become increasingly congested due to various communication devices, resulting in reduced stability. To overcome these issues, Wi-Fi HaLow uses the 921.5 to 922.5MHz (USN1 Band) and overcomes the 100m communication distance limitation of conventional wireless communication technologies, enabling mid- to long-range communication of approximately 1 to 1.5km. With its low-power characteristics, it is a next-generation WLAN technology for IoT that offers excellent advantages for sensor networks and communication networks powered by batteries and similar sources.
Remote serial devices connected through a Wi-Fi HaLow network can be easily communicated with, controlled, and monitored. Various communication modes such as one-to-one communication mode, TCP Server/Client, and UDP allow users to configure and utilize the network according to their environment.
sHaLow/all supports the advanced security protocol WPA2-PSK for information security. Designed with the characteristics of various usage environments in mind, sHaLow/all provides high reliability through highly reliable components and design. In addition, the included HaLowConfig allows users to easily modify and apply product settings.
Various utility programs are provided for use with sHaLow/all.
TestView™: Provides functions to test the communication performance and stability of serial and Ethernet ports.
HaLowConfig: A Windows configuration utility that provides easy and convenient product configuration functions.
| Communication Standard | IEEE 802.11 ah (Wi-Fi HaLow) |
| Maximum Communication Speed | Max. 1.5Mbps |
| Maximum Communication Distance | Up to 1.5km (Open Area) |
| Frequency | 921.5 to 922.5 MHz (USN1) |
| Security | Open, WPA2-PSK |
| Antenna | Dipole Antenna / Avg 2.5dBi / 800MHz to 960MHz |
| Mode | Peer to Peer |
| Protocol | Modbus TCP, TCP Server/Client, UDP |
| Supported Features | TCP No-Delay Mode, TCP KeepAlive |
| Number of Communication Ports | 1 Port DB9(Female), RS232 / RS422 / RS485 |
| Maximum Communication Speed | Max. 921.6kbps |
| Data Bits | 8 |
| Stop Bits | 1 |
| Parity | None, Even, Odd |
| Flow Control | RTS/CTS |
| Signal Lines | RS232 : TXD, RXD, RTS, CTS RS422 : TXD+, TXD-, RXD+, RXD- RS485 : TRXD+, TRXD- |
| O/S | Free RTOS |
| Management Tool | HaLowConfig, TestView™ |
| Operating Application | HaLowConfig |
| Supported Operating Systems | Windows 7 or later Windows Server 2008 or later |
| Power Input | DC 12~48V 1A Input |
| Power Consumption | Max. 1.32W / Operating 0.66W / Standby 0.42W |
| MTBF | 181,019 hrs |
| Power Connector | External Φ5.5mm / Internal Φ2.1mm |
| Serial Port Protection | ±15kV ESD Protection |
| Dimensions | 75.8(W) × 82.6(L) × 28.4(H) mm |
| Weight | Product 175g / Total Weight 575g |
| LED | RDY(Green), TXD(Green), RXD(Yellow) |
| Operating Temperature | -40 to 85℃ |
| Humidity | Max. 90% R.H |
| Certifications | KC, Japan MIC |


Click the button below to visit the Resource Center, where you can download related materials such as manuals, drivers, and utilities.
DownloadWi-Fi HaLow is a wireless communication technology based on IEEE 802.11 ah, newly established by the Wi-Fi Alliance, and is a next-generation wireless LAN technology that can transmit data from various IoT devices over long distances.
SystemBase sHaLow/all is a wireless gateway converter that provides Wi-Fi HaLow wireless communication functionality to devices supporting RS232/RS422/RS485 signals. It supports RS232/RS422/RS485 communication at speeds of up to 921.6kbps over wired sections and is equipped with Wi-Fi HaLow at speeds of up to 1.5Mbps over wireless sections. It is SystemBase’s next-generation wireless communication device that overcomes the limitations of short-range communication technologies such as conventional Wi-Fi and BLE.
Users can build mid- to long-range wireless networks by using Wi-Fi HaLow products such as sHaLow/all, eHaLow/Br, and uHaLow, and apply them to various networks such as smart grids and sensor networks.
IEEE 802.11 ah (Wi-Fi HaLow), approved by the Wi-Fi Alliance in 2016, is a WLAN technology that uses the 921.5 to 922.5MHz (USN1 Band). The 2.4GHz ISM band used by conventional Wi-Fi and BLE has become increasingly congested due to various communication devices, resulting in reduced stability. To overcome these issues, Wi-Fi HaLow uses the 921.5 to 922.5MHz (USN1 Band) and overcomes the 100m communication distance limitation of conventional wireless communication technologies, enabling mid- to long-range communication of approximately 1 to 1.5km. With its low-power characteristics, it is a next-generation WLAN technology for IoT that offers excellent advantages for sensor networks and communication networks powered by batteries and similar sources.
Remote serial devices connected through a Wi-Fi HaLow network can be easily communicated with, controlled, and monitored. Various communication modes such as one-to-one communication mode, TCP Server/Client, and UDP allow users to configure and utilize the network according to their environment.
sHaLow/all supports the advanced security protocol WPA2-PSK for information security. Designed with the characteristics of various usage environments in mind, sHaLow/all provides high reliability through highly reliable components and design. In addition, the included HaLowConfig allows users to easily modify and apply product settings.
Various utility programs are provided for use with sHaLow/all.
TestView™: Provides functions to test the communication performance and stability of serial and Ethernet ports.
HaLowConfig: A Windows configuration utility that provides easy and convenient product configuration functions.
| Communication Standard | IEEE 802.11 ah (Wi-Fi HaLow) |
| Maximum Communication Speed | Max. 1.5Mbps |
| Maximum Communication Distance | Up to 1.5km (Open Area) |
| Frequency | 921.5 to 922.5 MHz (USN1) |
| Security | Open, WPA2-PSK |
| Antenna | Dipole Antenna / Avg 2.5dBi / 800MHz to 960MHz |
| Mode | Peer to Peer |
| Protocol | Modbus TCP, TCP Server/Client, UDP |
| Supported Features | TCP No-Delay Mode, TCP KeepAlive |
| Number of Communication Ports | 1 Port DB9(Female), RS232 / RS422 / RS485 |
| Maximum Communication Speed | Max. 921.6kbps |
| Data Bits | 8 |
| Stop Bits | 1 |
| Parity | None, Even, Odd |
| Flow Control | RTS/CTS |
| Signal Lines | RS232 : TXD, RXD, RTS, CTS RS422 : TXD+, TXD-, RXD+, RXD- RS485 : TRXD+, TRXD- |
| O/S | Free RTOS |
| Management Tool | HaLowConfig, TestView™ |
| Operating Application | HaLowConfig |
| Supported Operating Systems | Windows 7 or later Windows Server 2008 or later |
| Power Input | DC 12~48V 1A Input |
| Power Consumption | Max. 1.32W / Operating 0.66W / Standby 0.42W |
| MTBF | 181,019 hrs |
| Power Connector | External Φ5.5mm / Internal Φ2.1mm |
| Serial Port Protection | ±15kV ESD Protection |
| Dimensions | 75.8(W) × 82.6(L) × 28.4(H) mm |
| Weight | Product 175g / Total Weight 575g |
| LED | RDY(Green), TXD(Green), RXD(Yellow) |
| Operating Temperature | -40 to 85℃ |
| Humidity | Max. 90% R.H |
| Certifications | KC, Japan MIC |


Click the button below to visit the Resource Center, where you can download related materials such as manuals, drivers, and utilities.
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