The Model OTPT-300A is a cost-effective, field installable return laser transmitter with an RF passband of 5 to 300MHz. The unit comes in several models including a 1310nm DFB laser with 3mW output (+4.8dBm), a 1550nm DFB laser with 2.5mW output (+4.0dBm), or a CWDM laser with a 2.5mW output (+4.0dBm). This transmitter is intended only for indoor applications. This transmitter must be mounted to an Olson OTPN-2000C or OTPN-1000. It will not function as a stand-alone device.