Sennheiser SKM 100 G4-A1 Wireless Microphone Handheld Transmitter System Receiver It features an interchangeable microphone capsule design and is offered without a capsule included, so you can choose the one that best fits your application. Powerful handheld transmitter with a lightweight aluminum housing for evolution wireless G4 100 Series systems. Features: Your choice of Sennheiser?s renowned e 835, e 845, e 865, e 935, e 945 capsules Easy and flexible wireless synchronization between transmitter and receiver via infrared Fast frequency allocation for up to 12 receivers via new linking functionality Up to 20 compatible channels Up to 42 MHz bandwidth with 1680 selectable frequencies, fully tunable in a stable UHF range Transmission Range: up to 100 meters / 300 feet High RF output power (up to 30 mW) depending on country regulations Specifications: Frequency range A1: 470 - 516 MHz Dimensions Approx. O 50 x 265 mm Compander Sennheiser HDX THD, total harmonic distortion ? 0.9 % Weight (incl. batteries) approx. 450 g Signal-to-noise ratio ? 110 dBA RF output power Max. 30 mW Switching bandwidth up to 42 MHz Peak deviation 48 kHz Nominal deviation 24 kHz Operating time Typically 8 h Modulation Wideband FM Power supply 2 AA batteries, 1.5 V or BA 2015 accupack Current consumption at nominal voltage: typ. 180 mA with transmitter switched off: ? 25 ?A Input impedance 40 k? Max. Input voltage 3 Veff Powering 3 V battery / 2.4 V rechargeable battery Transmission frequency Max. 1680 transmitting frequencies, adjustable in 25 kHz steps 20 frequency banks, each with up to 12 factory-preset channels, no intermodulation 1 frequency bank with up to 12 programmable channels AF frequency response 80 ? 18,000 Hz Temperature Range -10 C to +55 C Frequency stability ? 15 ppm What's in the Box: SKM 100 G4 handheld transmitter MZQ 1 microphone clamp 2 AA batteries quick guide safety guide manufacturer declaration sheet Capsules (Not Included) Echotone Music LLC is an experienced E-commerce Audio Visual Equipment dealer since 1998. We take pride in selling Pro Audio gear for musicians, sound engineers, production companies and broadcast applications. Shipping --Pro packed shipped USPS, UPS or Freight Service. Contact us pay for 2 day air upgrade on any unit. We are working hard to get your product ( built if needed), processed shipped. Processing times vary, 2-30 days Returns/Refunds- If there is truly a manufacturing defect a return tag will be provided. Otherwise customer pays for return shipping. Returned items must be sealed/unopened to qualify for a full refund. Refunds are for the Item cost only. Gear returned with out all its original packaging, accessories or shows signs of wear, is subject to an additional service fee. This item is now used and it would be unfair to resell to another customer as new. What products can not be returned? - Clearance items, Custom Builds, items identified as non-returnable, discontinued items, used or NOS items, electronic software downloads, demo gear, computers, vacuum tubes, earbuds, harmonicas raw-frame speakers, drumheads, drumsticks, turntable cartridges, fog fluids