Payment Type: | T/T |
---|---|
Incoterm: | FOB |
Min. Order: | 2 Set/Sets |
Delivery Time: | 9 Days |
Basic Info
Application: Industrial, Civilian
Certification: ISO
Style: Sky Wave
Condition: Used
Standard: Standard
Screen: With Screen
Additional Info
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
GDWP25 has a high-power transmitter with an output power of 25W. The transmission distance is about 20km long and can cover a connection distance of 80km. At the same time, it has wide 70MHz. tuning range (403-473MHz) is a hardware and optional channel spacing. It travels in the 900MHz frequency band and maintains data throughput of up to 115.2kbps.
GDWP25 is a wireless modem capable of supporting multiple frequency bands, UHF and VHF, especially for outdoor use in different weather conditions.
Specifications
1. General
(1) Operating frequency range: 403-473MHz
(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: 110mA
2. TRANSMITTER
(1) RF OUTPUT POWER: 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: GMSK
(2) AIR RATE: 115.2kbps programmable
(3) INTERFACE BAUD RATE: 0-19200bps programmable
(4) INTERFACE DATA BIT: 8 / 7 bit
(5) INTERFACE PARITY BIT: None / Even / Odd
(6) INTERFACE STOP BIT: 1 / 2 bit
CONTACT US
Shenzhen PuFang Technology Co., Ltd.
Address: 916, Time building, Tian An Cyber Park, Futian, Shenzhen, China,Shenzhen,Guangdong
Contact Person: Antony Lee
Phone:86-755-83476931
Fax:86-755-83475106