Grandcomm Technology Co., Ltd

Quality is our most competitive strengths, stability and reliability is the biggest feature of Grandcomm products!

4800 ( 4.8 K ) BPS Air Rate, 1.5W Output Power All Frequency Middle Rate Wireless Data Transceivers for Short Range.

4800 ( 4.8 K ) BPS Air Rate, 1.5W Output Power All Frequency Middle Rate Wireless Data Transceivers for Short Range.

Air Rate: 1200 - 4800 bps
RF Output Power: 7.5 W
Frequency: 400 - 470MHz
Dimensions:125x76x34mm

Send Inquiry
Product Details

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
Receive:<100mA
Transmit @ 7.5W:<1.8A @12V power supply
Transmit @ 1.5W:<0.9A @12V power supply

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
1.5W, 1W, 0.6W, 0.3W and 0.1W, programmable for GD400B -1.5

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

If the 4800 ( 4.8 k ) bps air rate, 1.5w output power all frequency middle rate wireless data transceivers for short range. caters to your requirement, welcome to buy the famous brands' equipment with our factory. We are one of the leading manufacturers and suppliers, also offering you the customized service and the wholesale service. Please be free to check the quotation with us.

Inquiry