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4800 ( 4.8 K ) BPS Air Rate, 1.5W Output Power All Frequency Middle Rate Wireless Data Transceivers for Short Range.
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Origin
China Mainland
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- Description
Product Detail
GD400B
Air Rate: 1200 - 4800 bps
RF Output Power: 7.5 W
Frequency: 400 - 470MHz
Dimensions:125x76x34mm
A small size wireless data transceiver operating at 400 MHz frequency band with programmable air rate of 4800, 2400 and 1200 bps. Maximum RF output power is 7.5 watts and can be programmed from 7.5 watts down to 1 watt with five levels. It is easy to integrate for system integrator.
? General
| Frequency Range | 400 - 430MHz, 450 - 470MHz |
Channel Capacity | 60 |
Channel Spacing | 25KHz |
Frequency Stability | ±2.0ppm (-40~+70? ) |
Operating Voltage | DC 11V to 14V ( Typical 12V ) |
Current Drain | Standby:<80mA |
Antenna Impedance | 50 ohm unbalanced |
Dimensions (WxHxD) | 125mmx76mmx34mm |
Weight | 370g |
Operating Temperature | -40? - +70? |
?Receiver
| Type of Receiver | Double, super heterodyne |
Intermediate Freq | 45MHz(1st IF), 455KHz(2nd IF) |
Sensitivity | 0.2 µV @12dB SINAD |
Squelch Sensitivity | 0.25uV |
Adjacent Channel Selectivity | greater than -70dB |
Spurious and Image Rejection | greater than -70dB |
Intermodulation | 65dB |
Output Audio Distortion | 3% at 1KHz for ±3KHz deviation |
?Transmitter
| RF Output Power | 7.5W, 6W, 4W, 2W and 1W, programmable for GD400B-7.5 |
Maximum Frequency Deviation | ±5KHz |
Output Harmonic | less than -65dB |
Spurious Emissions | less than 0.25uW (30MHz to 1GHz) |
Distortion | =2.5% |
Transmitter Attack Time | <5ms |
?Data and Interface
| Modulation | MSK |
Air Rate | 4800, 2400 and 1200, programmable |
Interface Baud Rate | 300 - 38400bps programmable |
Interface Data Bit | 8 or 7 bits programmable |
Interface Parity Bit | None / Even / Odd programmable |
Interface Stop Bit | 1 bit or 2 bits programmable |
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