Great set, all work as they should, original connection cables except DG5 cords, no original box or manual, I have copy of operator manual and service manual pulled from internet. I had to disconnect antenna lead to turn it around to get picture of rear. $500.00 plus shipping. PayPal. Power panel underneath not included. Kenwood TS520S is designed for SSB and CW modes in the 160 through 10 meter amateur bands. It also features receive of WWV at 15 MHz. There is an accurate analog display. Power input is 200W PEP SSB and 160W DC CW. Other features include RIT, VOX, noise blanker, attenuator and carry handle. (This transceiver does not have general coverage receive). Requires 120 VAC 50/60 Hz 280 watts. 13.3 x 6 x 14 inches 35.2 lbs (333x150x335mm 16 kg). The Kenwood VFO-520S external analog VFO provides maximum efficiency and flexibility for all operating conditions, including split-frequency operation. The VFO-520S is compatible with the TS-520S. Physical: 6.5 x 5.7 x 7.5 inches 6.6 lbs. (166x150x190mm 3kg). The Kenwood DG-5 external digital display provides 100 Hz accuracy to your TS-520S. There is a dimmer switch on the rear panel. The DG-5 can also be used as a conventional frequency counter from 100 Hz to 40 MHz. Gate time is 0.1 seconds. Maximum input voltage is 200 VDC (DC + Peak), 5 V rms. The "DH" button on the front is for Display Hold. Pressing this button will store the current frequency tuned, irrespective of subsequent frequency changes of the radio. This allows the return to the original channel as the DG-5 serves as a frequency memory. The DG-5 may be simply connected to your TS-520S via three cables to the back of the radio. If you own the earlier TS-520, then the DK-520 kit (sold separately) must be first installed in your TS-520 prior to the installation of the DG-5. The DG-5 derives its power from the TS-520S or can run directly from 12-16 VDC. Physical: 6.4 x 1.7 x 10.7 inches 2.9 lbs. (167x43x268mm 1.3kg). The Kenwood SP-520 features a 4¾ inch 8 ohm 2 watt speaker. The SP-520 matches the TS-520S. Audio input is via two screw terminals on the rear panel. Physical: 6.5 x 5.875 x 11.5 inches 3.1 lbs. (160x150x190mm 1.4 kg).