PFM885-I - is an indoor 2.4GHz wireless access point , designed for HD IP video transmission in elevators. Thanks to 802.11n MIMO 2x2 technology, it guarantees speeds of up to 300 Mbps and stable point-to-point or point-to-multipoint connections. It supports the proprietary TDMA protocol , which ensures secure and interference-free communications, and DC or PoE power supply for flexible installation. It offers auto-ranging, flow control and VLAN functions , ideal for reliable and uninterrupted video networks. With a compact design and multimedia optimization technology, it ensures maximum signal stability and smooth data transmission even in harsh environments. Dahua
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PFM885-I | INDOOR 2.4G WIRELESS ELEVATOR AP

The Dahua PFM885-I is an indoor 2.4GHz wireless access point designed for stable HD IP video transmission in elevators. Thanks to the 802.11n 2x2 MIMO chip, it reaches speeds of up to 300 Mbps, ensuring reliable point-to-point or point-to-multipoint connections. It supports proprietary TDMA protocol, PoE or 12V DC power supply, and features VLAN control, auto-ranging, and automatic restart. Its compact design and multimedia optimization ensure high performance, low latency, and a stable signal, ideal for video surveillance systems and wireless transmission in complex environments.
Main specifications:
- Wireless speed up to 300 Mbps
- TDMA support for secure and interference-free connections
- PoE or DC 12V power supply for maximum flexibility
- VLAN control and data flow management
- Auto-ranging and auto-restart function
- Coverage up to 500 meters and simplified installation
Further details
Technical data sheet
Model | PFM885-I |
Wireless Features | |
Wireless Standard | IEEE802.11 b/g/n |
Working Frequency | 2412~2472MHz(extended range: 2312~2732MHz) |
Wireless Speed | 300Mbps |
Modulation Mode | OFDM |
Antenna | Internal antenna: gain 6dBi |
Output Power | 27dBm (max) |
Receiving Sensitivity | 11b: -97dBm@ 1Mbps; 11g: -94dBm@6Mbps; 11n: -72dBm@MCS7 |
Transmission Distance | 500m |
Wireless Direction Angle | Horizontal 65°, vertical 60° |
Hardware | |
Power | 1*PoE RJ45(IN: 220V, OUT: 48V/0.25A), DC 12V |
Power Consumption | Max. 8W |
Ethernet Port | 2*LAN RJ45 |
Working Temperature | -30℃~+70℃ |
Storage Temperature | -40℃~+80℃ |
Working Humidity | 5%~95%RH (no condensation) |
Equipment Dimension | 150mm×150mm×32mm |
Equipment Weight | 0.5kg |
Protection Level | IP41 |
Software | |
Encryption Type | WPA-PSK/WPA2/CCMP(AES)/TKIP |
Network Mode | Route/Network Bridge |
Working Mode | Access Point/Client/WDS AP/WDS client |
Security Mechanism | IP/MAC address filtering, hide network name and etc. |
Network Protocol | TCP/UDP/ARP/ICMP/DHCP/HTTP/NTP |
TDMA Enhancement | Support(TDMA eliminate hidden nodes influence and greatly improve one-to-many performance) |
Auto ACK Timing Adjustment | Support(Auto optimize parameter within long-distance communication and make the performance optimal) |
Management and Log | NTP, Syslog, Telnet, AC, SNMP |
Webpage Configuration Management | Support webpage configuration, AC remote management and SNMP management |
Firmware Update | Support Firmware webpage update and AC remote upgrade |
Bandwidth Flexible Configuration | 5/10/20/40MHz |