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Multichannel reliability at an amazing price! The DR-2500 delivers super frequency flexibility with 10 selectable UHF channels, available in 3 FM frequency bands (169.505MHz, 170.245MHz, 171.905MHz). The UniPak instrument transmitter features a rugged dynamic unidirectional element, an advanced dipole antenna system, and adjustable squelch control with a removable docking power supply that inserts into receiver back. Features: 10 selectable UHF channels 3 FM frequency bands Transmitter features rugged, dynamic unidirectional element, Advanced dipole antenna system Adjustable squelch control Removable docking power supply inserts into receiver back Long battery life Specifications: Overall System Operating frequency: UHF band Band A: 470.000MHz-479.750MHz Band B: 482.000MHz-491.750MHz Number of channels: 10 Frequency stability: 0.005%, PLL frequency control Modulation mode: FM Maximum deviation: 15kHz Operating range: 150' minimum Operating temperature range: 40-110 degrees F Frequency response: 100Hz-13kHz Receiver Receiving system: non-diversity, 10 channel synthesized, dual-antenna system Image Rejection: 50dB minimum Signal-to-noise Ratio: 80dB at 10kHz deviation, maximum modulation 15kHz Total harmonic distortion: Sensitivity: 25 V for 60dB S/N (IEC-weighted) Audio output: 350mV (at 1kHz, 10kHz deviation, 100k ohm load) Output connector: 1/4" phone jack Power supply: 120VAC 60Hz, 6 VA; or 12V DC, 200mA, center positive, with external DC supply Dimensions: 8-1/4"W x 1-3/4"H x 4-3/4"D Net weight: 19 oz; without AC adapter, 12 oz Handheld Transmitter RF power output: 10mW nominal, 5mW typical Spurious emissions: Under federal regulations Dynamic range: >=90dB, A-weighted Microphone element: dynamic unidirectional Battery (not included): 9V (NEDA type 1604) alkaline Current consumption: 60mA typical Battery life: 4-5 hours Dimensions: 9-6/8" long, 2-1/8" diameter Net Weight: (without battery) 11-1/4 oz
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