Sonoff 4CH Pro Manual

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Sonoff 4CH PRO data JAN 2018
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• Support antenna diversity
• Built-in ultra-low power 32-bit MCU, also work as application processor
• SDIO 2.0、SPI、UART
• STBC、1x1 MIMO、2x1 MIMO
• WiFi @ 2.4 GHz, supports WPA / WPA2 safe mode
• 2ms, connect and transfer data packets
• Other parameters are as follows
Category
Parameters
Description
Wireless Parameter
Wireless standard
802.11 b/g/n
Frequency range
2.4G-25G(2400M-2483.5M)
Tx Power
802.11b: 20dBm
802.11g: 17dBm
802.11n: 14dBm
Rx Sensitivity
802.11b: (11Mbps)-91dbm
802.11g: (54Mbps)-75dbm
802.11n: (MCS7)-72dbm
Software
Parameter
Wireless network
types
Station/softAP/softAP+station
Security
WPA/WPA2
Encryption
WEP/TKIP/AES
Firmware Upgrade
UART Download / OTA (via
network)
Network Protocols
IPv4、TCP/UDP/HTTP/FTP
User configuration
AT+ instruction set
Specification
2

Sonoff 4CH Pro Specifications

General

Channels	4
Wi-Fi Standard	802.11 b/g/n
Max Current	10A per channel
Max Power	2200W per channel
Operating Temperature	-10°C to 40°C
Operating Humidity	5%-90% RH, non-condensing
Material	PC V0
Certification	CE, FCC, RoHS
Voltage Range	90-250V AC
Dimensions	145 x 90 x 40 mm