Speci cations
U
LM300M
RF output <10 dBm (10 mW)
Operating range max. 60 m (200 feet)*
Dynamic range 95 dB A-weighted**
Equivalent input noise -120 dBu, unweighted @ 24 dB gain, 600 Ω
Frequency response 20 Hz - 20 kHz, +0.1/-1 dB*
Sampling rate 48 kHz
Resolution 24 bit
Encoding 4 bit ADPCM (192 kbps)
RF f
requency
2.404-2.476 GHz, 37 channels,
2
.404-2.478GHz,38 channels
Battery type 2 x AA
Battery life > 24 hours***
Dimensions (W x D x H)
ULM300M 260 x 53 x 53 mm (10.2 x 2.1 x 2.1")
ULM300RD 41 x 150 x 119 mm (1.6 x 5.9 x 4.7")
Weight
ULM300M 0.3 kg (0.66 lbs)
ULM300RD 0.25 kg (0.55 lbs)
*Achievable range will be dependent on nearby sources of RF interference and/or line of sight obstacles
** Measured from analog input to analog output, unity gain operation without wireless compression
*** Depending on battery type and use pattern
NOTES:
1. For best performance, avoid placing the receiver close to radio frequency generating equipment such as computers, wireless access points,
cell phones or microwave ovens.
2. It is recommended to use only one set of ULM302MIC at the same time / location (1 microphone with 1 receiver).
3. The wireless operation might cause troub
le when two or more sets of ULM300 series models are used simultaneously. In this case you should keep a
minimum distance of 1-2 meters between microphone and receiver, and 10-15 meters between all used ULM300 series sets.
>=10 meter
>=1 meter >=1 meter
17Quick Start Guide
16
ULM300M
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