Radio modem With 5W Output Power
- 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 |
The GDMP5R radio modem could be used to link remote industrial controllers in SCADA systems or mobile applications. It overs distances of tens of miles at a data rate of 19200 bps and provides reliable communications between master station and slave stations in high noise environments.
Ideal for SCADA and telemetry applications, the radio modem series of products features: 5 watts of RF output power in the 136-174MHz, 223-235MHz, 400-470MHz and 480-520MHz frequency bands, range of 5-50 kilometers, RS232 and RS485 interfaces available.
Specifications
1. General
(1) Operating frequency range: 136-174MHz, 223-235MHz, 400-470MHz , 480-520MHz
(2) Channel spacing: 25 KHz
(3) Number of channels: 60
(4) ANTENNA IMPEDANCE: 50 Ohm unbalanced
(5) OPERATING TEMPERATURE: -40 to +70℃
(6) FREQUENCY STABILITY TCXO: ±2.5ppm
(7)OPERATIONVOLTAGERANGE: 12V DC ( 11Vdc to 14.5V DC)
(8) STAND-BY CURRENT: 110mA
2. TRANSMITTER
(1) RF OUTPUT POWER: 5 W 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: 19200bps programmable
(3) INTERFACE BAUD RATE: 600~19200bps programmable
(4) INTERFACE DATA BIT: 8 /7bit
(5) INTERFACE PARITY BIT: None / Even / Odd
(6) INTERFACE STOP BIT: 1bit
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