UTILITY DATA DEVICE (UDS) MULTIPURPOSE FM RADIO LINKING

General

RF frequency range 150-174 MHz, 406-430 MHz, 450-512 MHz, 928-960 MHz

Digital baud rate: 2400 baud maximum (analog baud rate is determined by the external modem)

Analog baseband frequency response: 67 Hz to 3800 Hz

Transmission mode: 16F3, 16F9, 15F2

Specification compliance: FCC, parts 15, 21, 90, 94, EIA, RS-316-B, MIL-STD-810C

RF connector: 50 BNC female

Power and control: 15 pin "D" type male

Dimensions: 7" x 3.5" x 2.5" (17.8 cm x 8.9 cm x 6.35 cm)

Weight:1 lb 6 oz

Operating temperature:-30 degree to +60 degree C

Storage temperature: -40 degree to +75 degree C

Humidity: Will withstand 8 hours at 95% at 40 degreeC

Shock stability: Per MIL-STD-810C method 516.2

RFI integrity: Cabinet radiation is 20 dB better than FCC requirements

Pin Assignments:

 PIN# FUNCTION
1 GND
2 VSWR sense (High to alarm; not available for 950 MHz)
3 Signal present (open collector NPN sinks to GND upon receipt of signal)
4 Analog output (balanced)
5 Analog output (balanced)
6 Rx mute (High to mute; TTL level*)
7 Data input (TTL level*)
8 N/C
9 Keyline (High to transmit; TTL level*)
10 Data output (TTL level*)
11 +12.5 VDC in
12 Analog input (balanced)
13 Analog input (balanced)
14 Spare
15 Spare
 
*TTL voltage levels: High = +2.5 V, Low = 0.0-0.5 V

ReceiverÝ

Analog output:

Output level: 1.0 VRMS +/-1 dB into 600 ohms (+/-5 kHz deviation)

Harmonic distortion:5% maximum (+/-3 kHz deviation for a 1 kHz analog tone)

Frequency response: 67 Hz to 3800 Hz (3 dB bandwidth)

Output return loss: 20 dB at 1 kHz

Digital output:

Output level:TTL voltage levels*

Pulse width jitter: +/-5% at 2400 baud at 0.7 µV input level

Manchester data rate: 700 to 2400 baud

Pulse width distortion: 3% at 1000 µV input signal

Output drive capacity: One TTL load

Turnaround time (Tx to Rx): 6 mS

Bit-error performance: 1 x 10-3 BER for -107 dBm (1.0 µV)

RF input typically: -116.5 dBm (0.33 µV) for 150-174 MHz; -115.5 dBm (0.38 µV) for 450-475 MHz; -112.5 dBm (0.53 µV) for 928-960 MHz

Output sense: Output in phase with input

Frequency stability: +/-0.0010% (VHF and UHF); +/-0.0005% (928-960 MHz); +/-0.00015% (optional for 928-960 MHz only)

TransmitterÝ

RF power output:2 watts (standard); 4 watts (VHF and UHF only)

RF spectrum: Meets FCC requirements with 2400 baud Manchester modulation

Modulation type: Direct FM (+/-5 kHz deviation)

Harmonic distortion: 5% maximum at +/-3.0 kHz deviation (1 kHz analog tone)

Frequency stability: +/-0.0005% (VHF, UHF, and 928-960 MHz); +/-0.00015% (optional for 928-960 MHz only)

Transmitter attack time: 5 mS for 90% power output within 1 kHz of operating frequency

Analog input:

Input level: 1.0 VRMS +/-5% into 600 ohms for +/-5 kHz deviation

Input impedance: 600 ohms nominal

Frequency response: 67-3800 Hz (3dB bandwidth)

Digital input:

Input voltage: TTL voltage level*

Input impedance: 10 K ohm minimum

Power Requirements

Voltage: 12.5 VDC +/- 10%

Current:

Standby 22 mA maximum

Receive: 27 mA maximum

Transmit: 460 mA maximum (at 2.0W)

ÝFor individual frequency ranges refer to the appropriate RDL specification sheet.

Specifications are subject to change without notice.

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