Two-channel UHF Wireless Base Station

  • Operates in select frequency bands between 590-608MHz
  • Two separate channels for 2-wire, 4-wire, or both
  • Supports up to 4 full-duplex wireless beltpacks
  • Wireless-Talk-Around button momentarily routes audio to only the wireless beltpacks monitoring the current channel
  • Full talk/listen headset at the base
  • Rear panel connections allow system expansion
  • Input and output level adjustment controls
  • Stage Announce (SA) button
Item Part Number:


Technical Specifications

Base Station

RF Frequency Range: 518-608MHz, 614-686MHz in 18MHz TX and RX bands

Power Requirement: 100-240V AC, 50-60Hz, IEC receptacle
Typical Battery Life Alkaline: N/A

Typical Battery Life – Nickel Metal Hydride (1500 mAh): N/A
Current Draw: N/A

Temperature Range: -4oF to 140oF (20oC to 55oC)
Dimensions: 19.0 x 1.72 x 14.0in (WxHxD)

(48.3 x 4.4 x 35.6cm)

Weight: 7 lbs. 2 oz. (3.24 kg)
Transmit Antenna: 1/2 Wave (supplied), TNC Male Connector

Receiver Antenna: 1/2 Wave (supplied), TNC Male Connector
Frequency Response: 300Hz – 8,000Hz
Four-Wire Input: Level Adjustable (2 Vrms typical)
Four-Wire Output: Level Adjustable (2 Vrms typical)
Clear-Com® Party-line Levels: Input/Output Level Adjustable (1 Vrms typical), Line Impedance 200 W
RTS® Party-line Levels: Input/Output Level Adjustable (0.775 Vrms typical), Line Impedance 200 W
Telex® Party-line Levels: Input/Output Level Adjustable (1 Vrms typical), Line Impedance 300 W
Auxiliary Input: Adjustable (2 Vrms typical)
Auliliary Output: Adjustable (2 Vrms typical into 600 W) (at rated deviation)
Stage Announce Output (WBS-680 only): Internally Adjustable (1Vrms typical at rated deviation into 100K W)
Stage Announce Relay (WBS-680 only): Dry contact, rated at 1Amp, 24 V Max. / N/A


Type: Synthesized, 720 channels
Transmit Power: WBS-680: 100 mW max. (High), 10 mW (normal)
RF Frequency Stability: 0.005%
Modulation: FM, 40 KHz Deviation
Modulation Limiter: Peak-Responding Compressor
Modulation Frequency Range: 300 Hz -8,000 Hz +-2 dB
Microphone Audio Input: 30 W – 3,500 W
Microphone Input Sensitivity: 9 mV
Radiated Harmonics & Spurious: Exceeds FCC specifications
FCC Acceptance: Type accepted under FCC Part 74


Type: Dual Conversion Superheterodyne, Synthesized, FM, 720 channels
RF Sensitivity: <0.7 mV for 12 dB SINAD
Signal-to-Noise Ratio: 95 dB
IF Selectivity: 3 dB at 230 KHz
Image Rejection: 70 dB or better
Squelch Quieting: 95 dB
RF Frequency Stability: 0.005%
Distortion: <1% at full deviation
Local Headset Output: 40mW output into 600 W (1% distortion)
FCC Acceptance: Notification under FCC Part 15

Important Notice:

The FCC has finished its sale of the 600 MHz frequency bands in the United States, and has set a date of July 13, 2020, for wireless intercom users to cease operation in the 617-652 MHz and 663-698 MHz frequencies.

If you are in the US and planning on purchasing a WBS system, please order the following models:

Associated Products

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