radio modem UHF at 450-470MHz
- 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 |
GD450H has a UHF radio modem integrated inside the case which connects to a computer via included USB cable (running serial protocol).Grand’s 450-470MHz UHF radio modem can meets the mission critical connectivity requirements. Such as high availability，long-range connectivity, easy and error-free deployment. With a transmission range of 10 kilomiters, it can securely delivers transparent error-free data even in band interference or adverse industrial environments.
It transceiver capable of working on broadband and narrowband channels with baud rate from 800 to 19200 and one of the most versatile and fast date radio modems.
Specifications
1. General
(1) Operating frequency range: 450-470MHz
(2) Channel spacing: 12.5 KHz
(3) Number of channels: 60
(4) ANTENNA IMPEDANCE: 50 Ohm unbalanced
(5) OPERATING TEMPERATURE: -40 to +70℃
(6) FREQUENCY STABILITY TCXO: ±1.5ppm
(7)OPERATIONVOLTAGERANGE: 11Vdc to 14.5V DC
(8) STAND-BY CURRENT: 85mA
2. TRANSMITTER
(1) RF OUTPUT POWER: 10W 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 @10W 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 20ms
2. RECEIVER
(1) TYPE OF RECEIVER:Crystalcontrolled double, super heterodyne
(2) INTERMEDIATE frequency: 45MHz (1st IF), 455 KHz (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: 800 to 19200 bps programmable
(3) INTERFACE BAUD RATE: 1200 / 2400 / 4800 / 9600/19200 bps 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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