Wireless modem at UHF 400-430MHz

Basic Info

Model No.: GDWV42

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

Designed for all-weather operation, the GDWV42 uses wireless data acquisition, industrial control and oilfield measurement and control, watermark monitoring and other important industries.

GDWV42 has high frequency omnidirectional antenna and durability, aesthetics, long service life, etc. It can be designed for 400-430MHz SCADA, UHF business band and fiberglass antenna. The 400MHz UHF antenna line meets multiple requirements simultaneously, such as high gain, wideband and high quality.  Moreover, it is possible to ensure connection with different rover and other devices, and to transmit or receive signals of less than five millimeters in time.

Specifications

1. General

   (1) Operating frequency range: 400 to 430 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: 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 20 ms

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: 2400 or 4800bps programmable

   (3) INTERFACE BAUD RATE: 1200 / 2400 / 4800 / 9600bps programmable   (4) INTERFACE DATA BIT: 8 / 7  bit

   (5) INTERFACE PARITY BIT: None / Even / Odd

   (6) INTERFACE STOP BIT: 1 / 2  bit