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Home > Products > Radio Modem > UHF Radio Modem > 480-520MHz radio modem
480-520MHz  radio modem
  • 480-520MHz  radio modem

480-520MHz radio modem

    Payment Type: T/T
    Incoterm: FOB
    Min. Order: 2 Set/Sets
    Delivery Time: 9 Days

Basic Info

Model No.: GD480HH25

Application: Industrial, Civilian

Certification: ISO

Style: Sky Wave

Condition: Used

Standard: Standard

Screen: With Screen

Additional Info

Packaging: Environmentally friendly paper packaging

Productivity: 10000 sets / year

Brand: PuFangTech

Transportation: Ocean,Land,Air

Place of Origin: China

Supply Ability: 20000 sets / year

Certificate: SO9001 certification

Port: Shenzhen

Product Description

Operating in 480-520MHz frequency band, GD480HH25 is an UHF ( Ultra High Frequency) Radio modem with output power of 25 watts. The air data rate is 19200 bps in 25 kHz channel spacing and 9600 bps in 12.5 kHz channel spacing. These UHF radio modems work in transparent transmission, and they can ensure compatibility to most user systems and protocols. They are particularly suited for outdoor use under varying weather conditions and are perfect for SCADA, Remote control and telemetry for utility distributions (water, electricity, oil & gas).

480-520MHz Radio Modem


Specifications

1. General
(1) Operating frequency range: 480 to 520 MHz
(2) Channel spacing: 25 KHz or 12.5KHz
(3) Number of channels: 60
(4) ANTENNA IMPEDANCE: 50 Ohm unbalanced
(5) OPERATING TEMPERATURE: -40 to +70℃
(6) FREQUENCY STABILITY TCXO: ±1.5ppm
(7) OPERATION VOLTAGE RANGE: 12V DC ( 11Vdc to 14.5V DC)
(8) STAND-BY CURRENT: 85mA

2. TRANSMITTER
(1) RF OUTPUT POWER: 5W to 25W programmable
(2) OUTPUT 2ND HARMONIC: less than –65dB
(3) SPURIOUS EMISSIONS: less than 0.25uW (30MHz to 1GHz)
(4) MAXIMUM FREQUENCY DEVIATION: ±5KHz
(5) REFERENCE OSCILLATOR: TCXO
(6) RF IMPEDANCE: 50 Ohm unbalanced
(7) CURRENT DRAIN: 6.0A @25W output power
(8) FM HUM AND NOISE RATIO: greater than –50dB
(9) AUDIO FREQUENCY DISTORTION: 3% 1KHz for 3KHz deviation
(10) AUDIO FREQUENCY RANGE: 300Hz to 3400Hz ±2dB
(11) TRANSMITTER ATTACK TIME: less than 7ms

2. RECEIVER
(1) TYPE OF RECEIVER: Crystal controlled double, super heterodyne
(2) INTERMEDIATE frequency: 45MHz(1st IF), 455KHz(2nd IF)
(3) SENSITIVITY: Better than 0.2uV @12dB SINAD
(4) SQUELCH SENSITIVITY: 0.1uV to 1uV programmable
(5) ADJACENT CHANNEL SELECTIVITY: greater than –70dB
(6) SPURIOUS AND IMAGE REJECTION: greater than –65dB
(7) OUTPUT AUDIO DISTORTION: 3% at 1KHz for ±5KHz deviation
(8) FM HUM AND NOISE RATIO: greater than 40dB

3. Data and Interface
(1) MODULATION: GMSK
(2) AIR RATE: 19200 or 9600bps programmable
(3) INTERFACE BAUD RATE: 600 - 38400 bps programmable
(4) INTERFACE DATA BIT: 8 / 7 bit
(5) INTERFACE PARITY BIT: None / Even / Odd
(6) INTERFACE STOP BIT: 1 / 2 bit



Looking for ideal UHF Interface Modem Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the 25 KHz or 12.5KHz are quality guaranteed. We are China Origin Factory of 480-520MHz UHF Modem. If you have any question, please feel free to contact us.

Product Categories : Radio Modem > UHF Radio Modem

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