Click on product name for description and photo. TEST MODULATORS Wideband Test Modulator Singlerate WTM-SR Wideband Test Modulator Multirate WTM-MR Wideband Test Modulator Multirate Ultra High Rate WTM-MR-UHR Wideband Test Modulator 8PSK WTM-8PSK Convolutional Encoder/OQPSK Modulator CE-WTM-SR For detailed technical information or quote email info@graylabs.com