QL5 Lavalier Mic, CT7 Bodypack Transmitter, 9V Battery Operation

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The Samson Micro / AirLine UM1 Wireless Lavalier Microphone System features the Samson QL5 lavalier microphone, CT7 body-pack transmitter, and UM1 portable true-diversity UHF receiver. The system is an ideal solution for all sorts of video professionals and operates on the less-cluttered 800MHz bandwidth.

The QL5 lavalier features a cardioid polar pattern and frequency response well suited for capturing vocals in speech applications. The CT7 is powered up to 14 hours on a single 9V battery. The portable, camera-mountable UM1 receiver also operates on a 9V battery and features a mini-XLR output connector, diversity reception, headphone output with level control, specially tuned antennas, and a DC input for power with an external power supply (not included). Note: Does Not Include Shoemount

Key Features

  • Super-compact 9V battery-operated Micro-Receiver (2.63" wide x 4.21" high x 0.91" deep)
  • Unbalanced output with level switch
  • DC input for external powering
  • Variable Squelch control and Power switch (internal)
  • Available in handheld, lavalier and headset systems with a wide range of Samson and other mic elements
  • Locking balanced mini-XLR output with level switch
  • Supplied XLR to mini-XLR cable
  • Headphone output with level control
  • Specially tuned, moulded antennas
  • Special carry case included
  • Limited 1-Year Warranty


Polar Pattern
Frequency Response
60 Hz to 15 kHz
-44 dbV/Pa (6.3 mV/Pa)
200 Ω
Maximum SPL
132 dB (THD ≤ 0.5% 1 kHz)
Dynamic Range
114 dB
Power Supply
9 to 52 Volt Phantom Power
Frequency Response
50 Hz to 15 kHz (±3 dB overall)
Receiving Frequency Range
801 to 805 MHz or 863 MHz
Sensitivity: 17 dBμv ±4 dB
1% maximum overall (@ AF1 kHz, RF56 dBuv)
Dimensions (WxDxH)
2.60 x 1.00 x 4.25" (6.58 x 2.60 x 10.70 cm)
Frequency Response
50 Hz to 15 kHz (± 3.5 dB)
Current Consumption
7 mA (typical)
Battery Life
1x 9 V battery
12 hours
RF Output
-4 dB minimum, 3 dB maximum (@ 5 mW)
Frequency Stability
±20 kHz
Dimensions (WxDxH)
2.60 x 0.92 x 4.00" (66.15 x 23.40 x 102.50 mm)
N2- 642.875 MHz
Samson UM1 Portable Wireless Lavalier Microphone System (Frequency N2- 642.875 MHz)
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