Maxon's RF Link Modules allow radio frequency signals to be used for the control and monitoring of remote sites and much more. Adding the expansion lid to Maxon’s SD-125 RF link module provides the benefit of installing CTCSS modules, modem boards, or other option boards. Take a look and see how they can extend your communication possibilities Installing the (optional) Maxon CTCSS Encoder / Decoder (SD-010) for the SD-125 Series Increases privacy during audio applications and operates on all 38 EIA standard CTCSS tones

The Maxon SD-FSK (/ either V23 or Bell 202) 1200 Baud Modem Accepts low speed data to provide monitoring and control of external devices and includes high density 15 pin connector, standoffs, installation hardware and instructions. Installation includes expansion lid kit.

Ideal for: irrigation equipment, electrical equipment, building security systems, monitoring stations, emergency call-boxes

Model	Band
SD-125 V2	VHF 148 - 174 MHz
SD-125 U1	UHF 400 - 430MHz
SD-125 U2	UHF 440 - 470MHz
SD-125 U3	UHF 470 - 490MHz