Comtek ALS-216 Personal Trainer System


  • Includes Wireless Transmitter
  • Includes Wireless Receiver
  • Includes Omnidirectional Lapel Mic
  • Includes Windscreen
  • Includes Left & Right Mono Headset
  • 300′ Range of Operation
  • Includes Carrying Case


The Comtek ALS-216 Personal Trainer System includes an M-216 Option 1 wireless transmitter with mute switch, a PR-216 personal receiver, a CM-183 RT omnidirectional lapel microphone, a WM-183 windscreen, an MDR-J10 left and right mono headphone set, and a C-216 carrying case. It is designed to allow trainers to communicate with horse riders while riding.

The ALS-216 has up to a 300-foot range of operation. Multiple receivers can be integrated into the system allowing multiple riders to monitor the trainer simultaneously. The included MDR-J10 headphone set includes both left and right earpieces, allowing you to use whichever side is more comfortable while riding.


Inputs 1x 0.03″ (2.5 mm) Micro-Mini Mono Microphone (Locking or Non-Locking)
1x 1/8″ (3.5 mm) Stereo Mini
Impedance Mic Input: 3 kΩ
Auxiliary/Line Input: 10 kΩ (@ 0 dB nominal)
Frequency Response 80 Hz to 10 kHz
Modulation 5 kHz Deviation Channels 1 to 40 (non-companded)
10 kHz Deviation Channels 41 to 60 (companded)
Controls Synthesized Channel Selection Switches
Power On/Off Switch
Audio Input Gain Control
Modulation Voice Level Indicator
RF Power Output 10 mW to the Antenna System
Emissions Out-of-Band Emissions: Better than 45 dB Below Carrier
Current Drain 17 mA Constant Current
Battery 9 V Alkaline (Up to 35 Hours)
9 V Nickel-Metal Hydride Rechargeable (Up to 15 Hours)
Dimensions (WxHxL) 1.16 x 2.50 x 3.25″ (2.70 x 5.70 x 8.30 mm)
Weight 4 oz (110 g)
Outputs 1x 1/8″ (3.5 mm) Stereo/Mono jack
Audio Output Headset Output: 16 dBu (low impedance)
Frequency Response 80 Hz to 12 kHz
Operating Frequency 216 to 217 MHz
Frequency Stability 0.002% Frequency Synthesized Crystal Controlled
RF Sensitivity 0.5 uV for 12 dB SINAD
Adjacent Channel Isolation 65 dB 50 kHz (off-channel)
Spurious Rejection 60 dB (image excluded)
Ultimate Quieting Better than 95 dB Companded Channels
Deviation Acceptance Up to 10 kHz
Antenna Integral with Output Cable
Current Drain 15 mA (Nominal)
Power Requirements 9 V Alkaline Battery
Rechargeable Nickel Metal Hydride
Dimensions (WxHxL) 1.16 x 2.50 x 3.25″ (2.70 x 5.70 x 8.30 mm)
Type Lapel
Polar Pattern Omnidirectional

Additional information

Weight 2.50 lbs


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