Bird / Site Master / SA-2500A 
Frequency Range (MHz)            780-2500
Frequency Resolution             50 kHz
Power Measurement                Yes
Return Loss (dB)                 0 to -60
Test Port                        N-type female connector
Impedance (Ω)                   50
Speed                            1 multi-frequency scan (238 points)/2 seconds
                                 1 multi-frequency scan (475 points)/3.5 seconds
                                 1 multi-frequency scan (949 points)/6 seconds
Trace Resolutions               238 (default), 475, or 949 per trace data points
Storage Capacity                15 Set-Ups/(500) 238 point traces
Immunity to Interfering Signals  Rejects on-frequency signals up to + 13 dBm
Maximum Input Signal (dBm)      +22
Data Transfer                   9-pin RS-232 (DB9), compatible with serial port
Internal                        Rechargeable Lithium-Ion batteries, 3-hour 
                                minimum operating time.
                                Auto shut-off conserves battery life.
External DC                     9-16 VDC fused, <3A
External AC                     90-264 VAC @ 45-66 Hz
                                AC/DC adapter required
Operating Temperature[°C (°F)]  -10 to 50 (-14 to 122)
Storage Temperature [°C (°F)]   -40 to 80 (-40 to 176)
Humidity, Max.                  95% ± 5% max., (non-condensing)
Altitude                        Up to 15,000 feet (4572 m)
Dimensions                      10.5" x 8.4" x 3.3"
                                (265 mm x 212 mm x 83 mm)
Weight [lbs (kg)]                5.5 (2.5)
Upgradeable                      Yes, SA-6000EX
Standard Accessories             Carrying case, Instruction Manual, Serial 
                                 Cable, PC Tool Software for Windows, 
                                 AC Power Supply and Automotive Power Adapter