Fangrui Product Details Dual-core Cpu, Larger And More Efficient Network Dynamic Routing Maintenance, 200-level Routing Depth The Host Computer Visualizes The Routing Status Of The Entire Network Router Setup-free One-key Ad Hoc Network Coordinator Can Be Replaced Directly Model: Drf2659c Input Voltage: Dc5-28v Temperature Range: -40+85wireless Frequency: 2.4ghz (2460mhz), The User Can Change The Channel Through The Serial Port Command (2405mhz-2480mhz, Step Size: 5mhz) Serial Port Rate: 38400bps (missing Recognition) Can Be Set To 1200bps, 2400bps, 4800bps 9600bps, 19200bps, 38400bps, 57600bps, 115200bps Serial Port Format: 8-n-1 (default) Can Be Set 8-e-1, 8-o-1 Transmission Distance: Visible Open Environment, The Maximum Transmission Distance Is 1600 Meters (using An External Antenna) Receiving Sensitivity: -98dbm Configurable Node: It Can Be Configured As Coordinator, Router. Interface: Communication Interface: Rs485 (a/b/gnd) Antenna Port: Sma Outer Screw Inner Hole Type: Antenna Colour: Black Material: Plastic Pack