Engineered to avoid interference and deliver a clear, steady signal:

1. Frequency Agility - provides over 100 selectable UHF channels
2. IF (Intermediate Frequency) Filtering - selects the desired signal
3. Phase Locked Loop (PLL) Circuitry - ensures the signal is steady
4. Tone Key Circuitry - blocks out other RF signals that could interfere with reception when the transmitter is off
5. Noise Squelch Circuitry - analyzes signal quality to evade noise bursts when the transmitter is off
6. Microprocessor-controlled Predictive Diversity - Patent pending Shure technology anticipates dropouts before they occur, switching antennas when necessary for consistent audio and RF reception

Designed and constructed for dependable operation in even the most challenging environments:

1. At least 10 hours operation provided from a single 9V battery
2. Extruded Aluminum Chassis - built tough to withstand the real rigors of the road
3. Solid Aluminum Alloy Mounting Box - attaches securely to NP-style and Anton-Bauer^® Gold Mount battery outfits
4. Legendary Shure Quality - subjected to one of the most stringent environmental and drop testing programs in the industry

With a few extras for added convenience:

1. Unique mounting design - battery can be changed without removing the receiver from the camera
2. Innovative Weather-resistant Cover - snaps easily around the top of the receiver for protection against the elements
3. Rugged Carrying Case - included with every UP4 receiver

The UP4 is available alone or as part of a complete UP Portable UHF Wireless System with your choice of Shure UC or UHF series transmitters.

Additional features of the UP4 include:

1. Bi-colored LEDs to monitor multi-feature operation status
2. Polarity protected battery case
3. SMA antenna connectors with removable antennas
4. Thread-locking DC input jack for external power option
5. Push-lock audio gain control
6. Mic level XLR output