| Model | DH-PFM881 |
| Wireless Features | |
| Wireless Standard | IEEE802.11 a/n |
| Working Frequency | 5745~5825MHz(extended range: 4920~6100MHz) |
| Wireless Speed | 300Mbps |
| Modulation Mode | OFDM |
| Antenna | Built-in antenna: gain 15dBi |
| Output Power | 27dBm (max) |
| Receiving Sensitivity | -74dBm@65Mbps, -96dBm@1Mbps |
| Transmission Distance | 0-3KM |
| Wireless Direction Angle | Horizontal 40°, vertical 15° |
| Hardware | |
| Power | 1*PoE RJ45(IN: 220V, OUT: 24V/0.5A); |
| Power Consumption | Max. 8W |
| Ethernet Port | 1*LAN RJ45 + 1*LAN RJ45 from passive PoE adapter |
| Indicator Light | Wi-Fi status indicator light / LAN port indicator light / Power indicator light / Signal intensity indicator light |
| Working Temperature | -30℃~+70℃ |
| Storage Temperature | -30℃~+80℃ |
| Working Humidity | 5%~95%RH(no condensation) |
| Equipment Dimension | 280mmx30mmx80mm |
| Equipment Weight | 0.45Kg |
| Mast Diameter | 40mm~60mm |
| Software | |
| Encryption Type | WEP/WPA-PSK/WPA2/CCMP(AES)/TKIP |
| Network Mode | Route/Network Bridge |
| Working Mode | Access Point/Client/WDS AP/WDS client/WDS Repeater |
| Security Mechanism | IP/MAC address filtering, hide network name, 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, SNMP, Syslog, Telnet |
| Webpage Configuration Management | Support webpage configuration |
| Firmware Update | Support firmware webpage update |
| Long-Distance Communication Throughput Rate | ≤40Mbps@3km |
| Bandwidth Flexible Configuration | 5M/10M/20M/40MHz |