Siglent SAG1021 25MHz External Arbitrary Waveform Generator,the frequency depends on the frequency defined by the oscilloscope FG option.

Accessory for use with the four channel SDS1000X-E, SDS2000X-E, SDS800X HD, SDS1000X HD  and SDS5000X oscilloscopes. Output Sine, Square, Ramp, Pulse, Noise, DC and 45 built-in waveforms.The arbitrary waveforms can be accessed and edited by the EasyWave PC software.

Siglent SDS5000X SPL2016 16 Channel logic probe module with license key for SDS5000X Series Oscilloscopes. 

Siglent SAP1000 1 GHz active probe for use with the SIGLENT SDS5000X / SDS6000A series of oscilloscopes

Unlocks 16 digital channel control for the SDS5X series of oscilloscopes. Requires SPL2016 wiring harness for operation.

SDS-5000X-Flexray Decoding license for SDS5000X series oscilloscopes

SDS-5000X-CANFD Decode license key forSDS5000X Series osciloscope

SDS-5000X-I2S I2S trigger & decode option license for SDS5000X series oscilloscope

Siglent SDS2000XP-MIL1553B serial triggering and decoding,software license. For the SDS2000X PLUS series oscilloscope.

ARINC429 decoding activation license for the SDS5000X series oscilloscopes

Upgrade 350 MHz to 500 MHz (2-CH model);350 MHz model can not be upgraded to 1 GHz,software license

Upgrade 350 MHz to 500 MHz (4-CH model);350 MHz model can not be upgraded to 1 GHz,software license

Upgrade 500 MHz to 1 GHz (2-CH model);350 MHz model can not be upgraded to 1 GHz,software license

Upgrade 500 MHz to 1 GHz (4-CH model);350 MHz model can not be upgraded to 1 GHz,software license