User's Manual

4 Appendix 1 Technical Specifications
Item DH-PFM889-I DH-PFM889-IM
Wireless
Standard
IEEE802.11 b/g/n
（2T2R）
IEEE802.11 a/n/ac（2T2R）
IEEE802.11 b/g/n（2T2R）
Working frequency
2400~2500MHz （ support frequency extension, extension
range 2312~2732MHz）
5745~5825MHz （ support frequency extension, extension
range 4900~6100MHz）(only supported by DH-PFM889-IM)
Antenna Built-in Omnidirectional antenna: gain 3dBi
Output power 27dBm
Receive sensitivity
11b ：
-97dBm@1Mbps
11n ：
-72dBm@MCS7
11b：-93dBm@1Mbps
11g： -92dBm@6Mbps
11a：-91dBm@6Mbps
11n：-74dBm@MCS7
11ac：-67dBm@MCS9
Max transmission
speed
11n： 300Mbps(40M
channel width)
11ac：867Mbps（80M channel width）
11n：300Mbps(40M channel width)
Hardware
Working voltage 48V PoE or 48V DC 48V PoE or 48V DC
Port
3×10/100M
Base-TX (Cat. 5/5E，
RJ-45) network port
2×10/100/1000M Base-TX (Cat.
5/5E， RJ-45) network port
Working
temperature
-30℃～+65℃
Storage temperature
-40℃～+85℃
Working humidity
5%～95%RH non-condensation
Dimension 150*150*31.6mm
Software Encryption mode WPA-PSK/WPA2-PSK