
Low Power SCADA Radio Modem
- Payment Type:
- T/T
- Incoterm:
- FOB
- Min. Order:
- 2 Set/Sets
- Min. Order:
- 2 Set/Sets
- Delivery Time:
- 9 Days
- Transportation:
- Ocean, Land, Air
- Port:
- Shenzhen
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Contact NowPlace of Origin: | China |
---|---|
Productivity: | 10000 sets / year |
Supply Ability: | 20000 sets / year |
Payment Type: | T/T |
Incoterm: | FOB |
Certificate: | SO9001 certification |
Transportation: | Ocean,Land,Air |
Port: | Shenzhen |
Our GDSC05 low power SCADA radio modem, is a 1.5W output power transceiver used for embedded wireless data communications. It has lower output power and low cost as well. It is ideal for embedded remote control applications where the communication ranges several miles.
The digital transmission module is connected to the master station computer via an RS-232 interface, and is connected to the RTU at slave end via an RS-485, RS-232 or TTL interface. It can be used in the field to form a mobile data terminal and its multi over the air rate allows for maximum flexibility.
Specifications
1. General
(1) Operating frequency range: 220 to 240MHz
(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: ±2.5ppm
(7)OPERATIONVOLTAGERANGE: DC12 ~ 24 V
(8) STAND-BY CURRENT: 110mA
2. TRANSMITTER
(1) RF OUTPUT POWER: 1.5W 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: GMSK
(2) AIR RATE: 9600bps or 19200bps programmable
(3) INTERFACE BAUD RATE: 2400bps/4800bps/9600bps/19200bps programmable
(4) INTERFACE DATA BIT: 8 / 7 bit
(5) INTERFACE PARITY BIT: None / Even / Odd
(6) INTERFACE STOP BIT: 1 / 2 bit
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