Sennheiser AD 3700 User Manual

74-4270 SENNHEISER AD 3700 ANTENNA Active, directional, 470-866MHz
An active, paddle type, directional antenna with integrated AB 3700 broadband antenna booster. This antenna is only
compatible with EM 3731, EM 3732, EM 2000, EM 2050, and EM 6000 receivers only.
Technical Specifications
Frequency range 470 – 866 MHz
Apex angle (-3 dB) approx. 100°
Front-to-back ratio ≥ 14 dB
Gain approx. 3 dB
Amplification (booster) bypass (-3 dB), 5 dB, 10 dB, 15 dB adjustable, without DC feed: -6 dB
Impedance 50 Ω
OIP3 ≥ 32 dBm
RF connection BNC socket
Power supply 9 – 15 V ⎓ / 160 – 100 mA, DC feed via antenna cable, (RF OUT socket on receiver).
Mounting connection 3/8" or 5/8" thread
Dimensions 329 x 322 x 23 mm
Weight: 625g, (including booster).
Pick-up Pattern
Intended Use
The product is designed for indoor and outdoor use. The product can be used for commercial purposes. It is considered
improper use when the product is used for any application other than as an antenna with the receiver equipment
mentioned above. Sennheiser does not accept liability for damage arising from improper use or misuse of this product
and its attachments/accessories. Before putting the products into operation, please observe
the respective country-specific regulations!

Sennheiser AD 3700 Specifications

General

Antenna gain level (max)	- dBi
Antenna type	Directional antenna
Product type	Antenna
Product color	Black
Country of origin	Germany
Brand compatibility	Sennheiser
Compatible products	Sennheiser EM3731/3732, EM2000/2050
Antenna connector type	-
Connector(s)	BNC
Master (outer) case width	399 mm
Master (outer) case height	493 mm
Master (outer) case weight	8225 g
Harmonized System (HS) code	85177100
Shipping (inner) case weight	820 g
Quantity per master (outer) case	9 pc(s)
Quantity per shipping (inner) case	1 pc(s)

Weight and Dimensions

Height	- mm
Package depth	370 mm
Package height	45 mm

Summary

Technical Specifications

Frequency Range

Specifies the operational frequency band of the antenna.

Apex Angle

Defines the directional beamwidth at -3 dB.

Front-to-Back Ratio

Indicates the signal rejection in the opposite direction.

Gain

Specifies the approximate signal amplification provided by the antenna.

Amplification (Booster)

Details adjustable amplification levels and performance without DC feed.

Impedance

Specifies the antenna's characteristic impedance.

OIP3

Third-order intercept point, indicating linearity performance.

RF Connection

Identifies the type of connector for the RF output.

Power Supply

Details voltage and current requirements for the antenna's operation.

Mounting Connection

Specifies the standard thread size for mounting.

Dimensions

Provides the physical size of the antenna.

Weight

States the total weight of the antenna, including the booster.

Pick-up Pattern

Intended Use

Overview and Operation

LED Indication

Explains the meaning of LED colors for amplifier settings.

Typical Amplification Settings

Provides guidance on amplification settings based on cable type and length.

Setup Guidelines

Accessories

Safety Instructions for Antenna Mounting

Manufacturer Declarations

Warranty Information

Details the warranty period provided by the manufacturer.

Compliances

Lists regulatory compliance information and directives.