
GN Netcom
How can you get two headsets for the price of one? Get the GN Netcom Stratus Ultra-G.
By giving you a choice of headband and ear capsule styles, plus the ability to switch from
one style to the other in seconds, Stratus Ultra-G’s the one for versatility and value. Stratus
Ultra-G also features our patented earlobe hinge, for a custom, on-the-ear fit. Soft foam ear
cushions for all-day wearability. And a flexible non-kink microphone boom, for long-term
durability and reliability. If you want comfort, convenience, clarity and cost-effectiveness,
you want Stratus Ultra-G.
• Noise-canceling microphone
• Two wearing styles
• Swivel-mount receiver
• Flexible microphone boom
• Adjustable Lobe Hinge
• Lightweight, yet durable
• Two-year “No Fine Print” warranty
™
™
STRATUS ULTRA-G
THE ULTRA-POPULAR CONVERTIBLE HEADSET.

The Stratus Ultra-G convertible headset lets you choose either our Adjustable Lobe
Hinge for confident on-the-ear comfort, or a slender headband, for over-the-ear
stability. And its noise-canceling microphone delivers uninterrupted call clarity.
Standard Features ST-I
Universal Telephone Interface
Noise-Canceling Microphone
Flexible Microphone Boom
Swivel Mount Receiver
Adjustable Lobe Hinge
Multiple Wearing Styles
GN Netcom-compatible Quick Disconnect
Two-Year “No Fine Print” Warranty
Great Sound, Comfort, Durability
∆
∆
∆
∆
™
∆
∆
∆
∆
∆
Stratus Ultra ST-I
There’s a GN Netcom amplifier for every need and every application. Like our headsets,
all GN Netcom amplifiers feature a two-year warranty.
The Stratus Ultra-G comes complete with
headband, ear capsule, ear cushions and
windscreen.
Transmit Specifications
Microphone: Noise-canceling electret
Frequency Response: 300-3000 Hz
Distortion: Less than 5%
Current Consumption: 250 µa @ 3 V (DC)
Operating Voltage: 1.5-10 V (DC)
Receive Specifications
Speaker: Dynamic
Input Impedance: 300 ohms (typical)
Frequency Response: 300-3,300 Hz
Automatic Gain Control
The MPA-II Multi-Purpose
Amplifier works on most
phone systems with a modular handset connector. The
easiest amplifier to set up
and use, it features a sliding
volume control, headset/
handset switch, mute switch
and a built-in headset stand.
An optional on-line indicator
signals when the headset is
in use.
Also available: The 0911 Two-Prong 6-Wire Amplifier, for push-to-talk dispatch/911 environments;
and the HT One Headset Telephone (HT-1), the first professional-quality telephone with an integrated headset—ideal for PBX and CTI applications.
Our 0686 In-line Amplifiers
provide a cost-effective option
for standard carbon applications. Incredibly compact, they
feature a rotary wheel for a
broad range of volume adjustments. Also available with a
mute button, 0686M.
The 0452 Two-Prong
Amplifier is designed for
telephones equipped with a
two-prong headset port. Its
3-position volume control
locks your volume preference
in place.
Threshold Level with amplifier: -41 dBV with an input at 1 kHz
Volume Control Range: 18 dB (typical)
Maximum Output: 114 dB spl peak unit
General Specifications
Operating Temperature: 0°–50° C
Polarity: Non-polar in amplified applications
Dielectric Withstand Voltage: 5,000 V AC or 7,000 V DC
Safety: Registered to UL 1459
FCC Parts 68 Registered
OSHA Part 1910 subpart S
CSA C22.2 No. 225-M90
Printed in USA.
10/99
GNI-134A
For more information:
GN Netcom, Inc.
77 Northeastern Blvd. Nashua NH 03062
1-800-826-4656 www.gnnetcom.com