The HHa incorporates features to provide high-quality speech and vocal reinforcement, along with a wide frequency response and dynamic range in native 400-Series mode. The handheld transmitter is also compatible with Lectrosonics 200 series, 100 series, and IFB receivers, and other systems from top manufacturers. Transmitting on the B1: 537.600 - 614.375 MHz frequency band, the HHa is a transmitter only. Some other features include: A membrane switch and LCD interface, selectable RF power at 50 and 100 mW, and an IR (infrared) port for a fast setup with Lectrosonics receivers. If there is an issue with a product, please contact me immediately for a resolution.This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Microphones & Wireless Systems". The seller is "jdm2696" and is located in this country: US. This item can be shipped to United States, Canada, Australia, Japan, Korea, South, Indonesia, Taiwan, South Africa, Hong Kong, Bahamas, Israel, New Zealand, Singapore, Chile, Colombia, Barbados, Bangladesh, Bermuda, Brunei Darussalam, Bolivia, Egypt, French Guiana, Guadeloupe, Jordan, Cambodia, Cayman Islands, Sri Lanka, Macau, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Uruguay.