VHF Test Specifications

1-3

 

 

1.3VHF Test Specifications

General

 

VHF

 

 

Channel Capacity:

16 or 64 Channels

 

 

Power Supply:

7.5 Volts ±20%

 

 

Dimensions (HxWxD)

 

with Battery:

130.5mm x 62mm x 45mm

High Capacity Li-Ion

(5.12" x 2.44" x 1.77")

 

 

Weight: with Battery:

 

High Capacity Li-Ion

397g (14.0 oz.)

 

 

Average Battery Life

 

@ (5-5-90* Duty

 

Cycle):

17 hr low power/

High Capacity Li-Ion

12 hr high power

 

 

Model Number:

LAH65KDC9AA2_N,

 

LAH65KDH9AA4_N

 

 

Frequency Range:

146-174 MHz

 

 

Channel Spacing:

12.5/20/25 kHz

 

 

Temperature Range:

-30° to 60°C

 

 

Frequency Stability:

±2.5 ppm

 

 

FCC

ABZ99FT3045

 

 

*5% receive; 5% transmit; 90% standby.

Transmitter

 

 

VHF

 

 

 

 

RF Output

Low

 

High

Li-Ion @ 7.5 V:

1 W

 

5 W

 

 

 

Frequency:

146-174 MHz

 

 

 

Channel Spacing:

12.5/20/25 kHz

 

 

 

Spurious/Harmonics:

-36 dBm < 1 GHz

 

-30 dBm > 1 GHz

 

 

 

FM Noise:

-40 dB (12.5 kHz)

 

-45 dB (25 kHz)

 

 

 

Modulation Limitation:

±2.5 kHz @ 12.5 kHz/

 

±5 kHz @ 25 kHz

 

 

 

 

Audio Response:

+1 to -3 dB

 

 

(from 6 dB/oct.

 

 

 

Pre-emphasis, 300 to

 

 

 

3000 Hz)

 

 

 

 

 

 

 

Audio Distortion:

3%

 

 

@ 1000 Hz, 60%

 

 

 

Rated Max. Dev.

 

 

 

 

 

 

 

Receiver

 

VHF

VHF

 

12.5 kHz

25kHz

 

 

 

Channel Spacing:

12.5/20/25 kHz

 

 

 

 

Sensitivity

0.25 V (typical)

12 dB EIA SINAD:

 

 

 

 

 

Adjacent Channel

-60 dB

-70 dB

Selectivity:

 

 

 

 

 

Intermodulation:

-70 dB

 

 

 

 

Freq. Stability

0.00025%

 

(-30°C to +60° C):

 

 

 

 

 

Spur Rejection:

-75 dB

 

 

 

 

Image and 1/2 I-F

-70 dB

 

Rejection:

 

 

 

 

 

Audio Output

500 mW into 24

@ <5% Distortion:

 

 

 

 

 

Specifications subject to change without notice. All electrical specifications and methods refer to EIA/TIA 603 standards.

Page 12
Image 12
Motorola EP450 service manual VHF Test Specifications, General, Transmitter, Receiver, kHz 25kHz

EP450 specifications

The Motorola EP450 is a robust and reliable two-way radio that has made a significant impact in the world of professional communications. Known for its solid construction and exceptional performance, the EP450 is a popular choice among various industries, including security, transportation, and event management.

One of the standout features of the Motorola EP450 is its impressive audio quality. Equipped with advanced audio processing technologies, the radio offers clear and crisp sound, ensuring effective communication even in noisy environments. This feature is particularly beneficial for users who work in fields where situational awareness and timely communication are crucial.

The EP450 operates on both VHF and UHF frequency bands, making it versatile for various communication needs. With 16 channels and a wide frequency range, users can easily switch between channels to avoid interference and ensure secure communications. Additionally, the radio offers a programmable feature, allowing users to customize button functions and settings, which enhances the overall user experience.

The battery life of the EP450 is another notable characteristic. It comes powered with a long-lasting rechargeable battery that provides extended usage on a single charge. This ensures that users can rely on the device throughout their shifts without concerns about running out of power. Furthermore, the EP450 features a battery save mode that helps conserve energy when the radio is not in use.

In terms of design, the Motorola EP450 is built to withstand tough environments. Its rugged housing is dustproof and can withstand exposure to water, making it suitable for outdoor use. Additionally, the radio's user-friendly interface includes a large display and oversized buttons, allowing users to operate it easily even with gloves or in challenging conditions.

Furthermore, the EP450 supports various accessories, such as headsets and external microphones, enhancing usability and flexibility in various operational scenarios. This adaptability allows users to customize their communication solutions based on specific needs.

In conclusion, the Motorola EP450 stands out for its superior audio quality, versatile frequency operation, long-lasting battery life, and rugged design. These features make it an indispensable tool for professionals who require reliable communication in demanding environments, proving its value across a multitude of industries.