---
lang: "en"
title: "Protoss PW11-H from RS485 to wifi complete with external antenna, 220 VAC power supply"
sku: "PW11-H"
canonical_url: "https://shop.marcomweb.it/en/modbus/protoss-pw11-h-from-rs485-to-wifi-complete-with-external-antenna-220-vac-power-supply"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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PW11-H: RS485 to wifi gateway complete with antenna, 220 VAC power supply

The Protoss PW11-M provides an interface from RS485 to a WiFi network. The Protoss PW11-M integrates the TCP/IP controller, memory, WiFi connection with external antenna, RS485, and incorporates a fully developed TCP/IP network stack and the FreeRTOS operating system. Protoss PW11-M also includes a built-in webserver used to configure the device.
The Protoss PW11-M, using a highly integrated hardware and software platform, has been optimized for all types of applications in industrial control, smart grids, personal medical applications, and remote control that have lower data transmission speeds and transmit or receive data on an infrequent basis.

## Technical Specifications

- Support for 802.11bgn wireless standard
- Support STA/AP/AP+STA modes
- Support SmartLink V8 Smart Config (provide APP)
- Support TCP/UDP/MQTT/HTTP/WebSocket protocol
- Support Modbus TCP to RTU, Modbus master function
- Support RS485 to WiFi conversion
- Support simple web page configuration or PC IOTService tool
- Support security protocols like TLS/AES/DES3
- Support Heartbeat and Register Packet function
- Support Webpage OTA wireless upgrade
- Support industrial temperature: -40 to +70˚ C
- Protoss-PW11-M: 220 VAC
- 160MHz Processor
- 160MHz Base Frequency
- 2MB Flash
- 352KB SDRAM
- mbed operating system
- Network Protocol IP，TCP，UDP，DHCP，DNS，HTTP Server/Client，ARP， BOOTP， AutoIP， ICMP，Web socket， Telnet， uPNP， NTP， Modbus TCP
- Security Protocol TLS v1.2 AES 128Bit DES3
- Network Mode STA/AP/STA+AP
- Transmit Power 802.11b: +18dBm(Max.) 802.11g: +16dBm(Max.) 802.11n: +15dBm (max.)
- Receive Sensitivity 802.11b: -89dBm 802.11g: -81dBm 802.11n: -71dBm
- Wi-Fi Security WEP64/WEP128/TKIP/AES
- Port Number 1 RS485
- Data Bits 7，8; Stop Bits 1，2; Control Bits: None, even, odd
- TTL Baud Rate: 600bps~230400bps
- Flow Control No flow control Software flow control Xon/Xoff
- Configuration Web CLI XML Import Telnet PC Software IOTService
- Dimensions 102.03 x 64.95 x 27.50 mm

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Source: https://shop.marcomweb.it/en/modbus/protoss-pw11-h-from-rs485-to-wifi-complete-with-external-antenna-220-vac-power-supply

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.