User's Manual

24 TRM SB Integration Guide MDS 05-4121A01, Rev. 02
• Proper programming of the transceiver’s operating parameters
(see Section 3.0, TRANSCEIVER CONFIGURATION AND
DIAGNOSTIC COMMANDS).
• The correct interface between the transceiver and the connected
data equipment (correct cable wiring, proper data format, timing,
etc.).
5.0 TECHNICAL REFERENCE
5.1 Transceiver Specifications
RADIO TYPE
Synthesized, half duplex, 6.25 and 5.0 kHz channel spacing, split frequency, or simplex
ENVIRONMENTAL
Temperature Range: –40 to +85 degrees C
Humidity: 0 to 95% at 40 degrees C
Board Dimensions: 2.75″ W x 0.4″ H x 1.75″ D
7.0 cm W x 1.10 cm H x 4.4 cm D
Weight: 35 grams (6053 Board: 42 grams)
Enclosure: None. Open-frame PCB with digital/RF circuit
shield
TRANSMITTER
Frequency Range: 410 – 470 MHz
Frequency Increments: 6.25 and 5.0 kHz
Frequency Stability: 1.5 ppm, –40 to +85 degrees C
Channel Spacing: 6.25 and 5.0 kHz
Modulation Type: GMSK (Gaussian-mean Shift Keying)
Carrier Power: 0.5 W, 2 W programmable
(+27 DBM, +33 dBm)
Duty Cycle: 50%
Output Impedance: 50 ohms
RF Connection: Pads for SMT IMP 3 mm RF connector, mmcx
Spurious and Harmonics: –65 dBc
Transmitter Keying: ON TX_ON
Key-up Time: 5 ms
Data Rate Over-the-Air : 4800, 8000, 9600, 16000, and 19200 bps
(Rate user-selectable via BAUD command)
RECEIVER
Type: Double conversion superheterodyne
(45 MHz IF)
Frequency Range: 410 – 470 MHz
Frequency Increments: 6.25 kHz
Frequency Stability: 1.5 ppm, –40 to +85 degrees C
Spurious and Image Rejection: –70 dB
Sensitivity: 12 dB SINAD @ –116 dBm @ 4800 bps
12 dB SINAD @ –110 dBm @ 19200 bps