Kepler RF device Server UHF Communication Radio

• UHF:430-470MHz
• Data or voice communication
• Fast start-up time: 5ms
• RF power : 1W – 5W programmable
• Serial Interface:TTL/RS-232/RS-485(8N1)
• Data transmission mode: Transparent
• Channel spacing : 12.5KHz/25KHz programmable
• F3D / F3E modulation
• Optional – FSK, GMSK, 4FSK modem
• CTCSS/DCS encode/decode
• Pocsag support
• Digital SQ programmable
• LED status indicator
• Time out timer

GENERAL

• Frequency: VHF: 136-174 MHz
• UHF: 430-470 MHz
• Channel spacing :12.5JHz/25KHz Programmable
• Modulation: F3D / F3E
• Number of channels: 16
• Nominal V: 12V DC
• Input: 9.5V ~ 16V DC
• Current: Standby <100mA
• Transmit 5 watts RF power <1.5A
• Transmit 1 watt RF Power <1A
• TX to RX attack time: <5ms
• RX to TX attack time: <5ms
• Frequency error: <2.5ppm
• Antenna connector: BNC 50Ω
• External interface: DB15 / DB9
• Operating temperature: -30°C ~ +65°C

SPECIFICATION

• Support pre-emphasis, squelch, CTCSS/DCS & audio amplifier
• Operating voltage: +12.5Vdc
• TX attack time: < 5ms
• Output power: 1 – 5W
• TX current: 5W RF power, 12V, 1.5A
• 1W RF power, 12V, 1A
• Standby current: 65mA
• RX sensitivity: <-119dBm
• (12dB Sinad) <-115dBm maximum
• Transmit rate: FSK 1200bps, 4FSK 9600/19200 bps,
• GMSK 9600 bps

TRANSMITTER

• Power: 1W/2W/3W/4W/5W Programmable
• Frequency deviation: @ 25KHz – <2.5KHz @ 12.5 KHz – <2.5KHz @ Subsonic – <0.5KHz
• Audio response: @ 25KHz – 300Hz~3Khz +1/-3dB @ 12.5KHz – 300Hz~2.55KHz +1/-3dB
• Adjacent channel power: @ 25KHz – <-70dBc @ 12.5KHz – -65dBc
• Conducted spurious emission: <1GHz, <-36dBm >1GHz, <-30dBm
• Modulation sensitivity: Voice 8~15mV Data 80~130mV TX SNR: @ 25KHz – >45dB @ 12.5KHz – >40dB

RECEIVER

• RX sensitivity : @ 25KHz: <-119dBm Extreme <-115dBm
• (12dB SINAD) @ 12.5KHz: <-119dBm Extreme <-115dBm
• ACP: @ 25KHz >70dB @ 12.5KHz >60dB
• Image rejection: >70dB
• IF rejection: >70dB
• Spurious rejection: >70dB
• Intermodulation suppression: >65dB
• Conducted spurious emission: <57dBm
• Audio distortion: <5%
• RX SNR: @ 25KHz: >45dB @ 12.5KHz: >40dB
• Audio output: 0.5W @ 8 Ω load

Download Data Sheet

• Industrial telemetry & wireless remote control
• Gas & oil flow monitoring
• Electricity, water & gas utilities
• Earthquake, weather, environmental protection
• Urban lighting control
• Vehicle & asset tracking systems
• Water monitoring, wastewater management
• Irrigation control
• Railway, police, and army automation system
• Aerial defense
• Fire alarm system
• Wireless paging system