Popular 2400bps RS232 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 Now| Place 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 |
GD2400 radio modem is one of the most versatile and convenient data radio unit with over-the-air data rate of 2400 bps where RS232 serial interface is used. The baud rate of RS232 can be configured from 600bps to 38400bps.
Specifications
1. General
(1) Operating frequency range: 136-520MHz
(2) Channel spacing: 25KHz.
(3) Number of channels: 16
(4) ANTENNA IMPEDANCE: 50 Ohm unbalanced
(5) OPERATING TEMPERATURE: -40 to +70℃
(6) FREQUENCY STABILITY TCXO: ±2.0ppm
(7)OPERATIONVOLTAGERANGE: DC 11V to 14V ( Typical 12V )
(8) STAND-BY CURRENT: 110mA
2. TRANSMITTER
(1) RF OUTPUT POWER: 1.5W 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: 5.0A @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: MSK
(2) AIR RATE: 2400bps bps programmable
(3)INTERFACE BAUD RATE: 600bps to 38400 programmable
(4) INTERFACE DATA BIT: 8 /7bit
(5) INTERFACE PARITY BIT: None / Even / Odd
(6) INTERFACE STOP BIT: 1/2bit
As data at the source end is passed in transparent mode and the destination end will receive the data in the same form as it was transmitted, wireless RS-232 communication appears as wired communication to the system.
The radio modem works on narrow band channel covering 136-520MHz. GD2400 is an ideal choice for most data radio systems.
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