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Mr. Antony Lee
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Shenzhen PuFang Technology Co., Ltd.
| Payment Type: | T/T |
|---|---|
| Incoterm: | FOB |
| Min. Order: | 2 Set/Sets |
| Delivery Time: | 9 Days |
Basic Info
Model No.: GDW480
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
GDW480 is a flexible wireless data communication module which makes it a suitable unit for various RS485 connectivity uses. It operates in VHF or UHF bands with over the air rate 8000bps.
GDW480 meets both the technical and economical requirements set on wireless communications in a number of SCADA system applications, including remote meter reading (like gas, electricity, heat), Remote control of irrigation systems, remote control of distribution, environmental monitoring, and oil data acquisition and control systems.
Specifications
1. General
(1) Operating frequency range: 400 to 420 MHz
(2) Channel spacing: 25 KHz
(3) Number of channels: 16
(4) ANTENNA IMPEDANCE: 50 Ohm unbalanced
(5) OPERATING TEMPERATURE: -40 to +70℃
(6) FREQUENCY STABILITY TCXO: ±1.5ppm
(7)OPERATIONVOLTAGERANGE: 12V DC ( 11Vdc to 14.5V DC)
(8) STAND-BY CURRENT: 85mA
2. TRANSMITTER
(1) RF OUTPUT POWER: 1.5W to 8W 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 10ms
2. RECEIVER
(1) TYPE OF RECEIVER:Crystalcontrolled 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: MSK
(2) AIR RATE: 8000bps programmable
(3) INTERFACE BAUD RATE: 1200 / 2400 / 4800 / 9600bps programmable programmable
(4) INTERFACE DATA BIT: 8 bit
(5) INTERFACE PARITY BIT: None / Even / Odd
(6) INTERFACE STOP BIT: 1 bit
Product Categories : Wireless Modem > RS485 Wireless Modem
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