Specifications
Parameter SX1121 SX1122 SX1123 SX1124
RF Frequency
Tx, MHz 2503-2683 2503-2683 2153-2159 2153-2159
Rx, MHz 2503-2683 2503-2683 2503-2683 2503-2683
Tx RF Output
Power Output
1.5 MHz BW, dBm +24 to +28 +34 to +38 +24 to +28 +34 to +38
3.0 MHz BW, dBm +21 to +25 +31 to +35 +21 to +25 +31 to +35
6.0 MHz BW, dBm. +18 to +22 +28 to +32 +18 to +22 +28 to +32
Step Attenuator
Range, dB min. 56 46 56 46
Accuracy, dB ±(2.0 +0.05* Attn) ±(2.0 +0.05* Attn) ±(2.0 +0.05* Attn) ±(2.0 +0.05* Attn)
Step size, dB 1 1 1 1
Flatness (any 6 MHz), dB (pk to pk) max. 1.0 1.0 1.0 1.0
VSWR, max. 1.5:1 1.5:1 1.5:1 1.5:1
Fixed Attenuator
Range, dB 25 ±1 — 25 ±1 —
Spurious
Channel edge, dBr, max -25 -25 -25 -25
Channel edge ±250 KHz, dBr, max -40 -40 -40 -40
Channel edge ±3 MHz, dBr, max -60 -60 -60 -60
Tx IF Input
Frequency, MHz 330±3 330±3 330±3 330±3
Power, dBm -17 to -5 -17 to -5 -17 to -5 -17 to -5
Cable Compensation Attenuator
Range, dB min. 12 12 12 12
VSWR, max. 1.5:1 1.5:1 1.5:1 1.5:1
Tx/Rx Synthesizers
Step Size (tunes over full operating band), MHz 1.0 1.0 1.0 1.0
Frequency Accuracy, ppm ±5 ±5 ±5 ±5
Reference Frequency, MHz 24 24 24 24
Rx IF Input
Noise Figure (25°C), dB max. 6.0 4.0 6.0 4.0
Input Power, dBm max. 0 -30 0 -30
Flatness, dB (pk to pk), max. (any 6 MHz) 1.0 1.0 1.0 1.0
VSWR, max. 1.5:1 1.5:1 1.5:1 1.5:1
Gain, dB 32±2 32±2 32±2 32±2
Gain Control Attenuator
Range, dB min. 25 25 25 25
Accuracy, dB max. 2.0 2.0 2.0 2.0
Gain Control Step, dB 25 ±1 — 25 ±1 —
Rx IF Output
Frequency, MHz 426±3 426±3 426±3 426±3
VSWR, max. 1.5:1 1.5:1 1.5:1 1.5:1
Spurious, dBm max -103 -103 -103 -103
DC Input Power
Voltage (24V nominal),V 18 to 30 — 18 to 30 —
Current, A, max. 2.2 — 2.2 —
DC Power, W, Max 40 — 40 —
Voltage (-48V nominal), V — -36 to -60 — -36 to -60
Current, A, max — 6.1 — 6.1
DC Power, W, max — 220 — 220
RF Duplexer
Tx BW, MHz, max 60 60 60 60
Rx BW, MHz,max 60 60 60 60
Tx/Rx Separation, MHz, min 24 24 24 24
Serial Communications Channel (Modem)
Center Frequency, KHz 750 750 750 750
Bandwidth, KHz 300 300 300 300
Input Level, dBm, min -3 -3 -3 -3
Transmitter Blanking Signal
Center Frequency, MHz 48 48 48 48
Input Level, -on, dBm 0 to -10 0 to -10 0 to -10 0 to -10
Input Level, -off, dBm -10 to -36 -10 to -36 -10 to -36 -10 to -36
Miscellaneous
Temperature Indicator, °C -40 to +100 -40 to +100 -40 to +100 -40 to +100
PLL Lock Detect Provided Provided Provided Provided
Operating Temperature Range, °C -40 to +60 -40 to +60 -40 to +60 -40 to +60
EMI Compliance FCC Part 15 FCC Part 15 FCC Part 15 FCC Part 15
Safety CUL/CSA, US/Canada CUL/CSA, US/Canada CUL/CSA, US/Canada CUL/CSA, US/Canada
Enclosure Type 4 Type 4 Type 4 Type 4
RF, IF Connectors N-type N-type N-type N-type
MMDS RF Heads
Point-to-Multipoint Transceivers
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