- Transmits Wireless Clock Correction Signal to the Valcom Wireless Clocks-915 - 928 MHz Frequency-Hopping Technology-Can Transmit up to 2000 Meters in Open Space-Wirelessly Receives & Transmits Data-Receives the Signal from Any Valcom Wireless Clock And Re-Transmits It-Perfect for Applications with Extremely Long Distances-Works on Valcom’s 915-928 MHz Frequency Hopping Technology-Transmits Up to 2000 Meters in Open Space-Powerful 30dbm Transmission-Extremely Slim Design Makes the Repeater Versatile for Mounting-No Need for Custom Back Box-FCC Compliant, Part 15, Section 15,247-Made in The U.S.A.