Working mode: CW, AM, SSB Minimum step: 10Hz Antenna impedance: 50Ω Operating temperature range: 0℃-50℃ Power supply voltage: 10.5-12.6V DC, negative ground. Part Name:Transceiver Frequency range: Reception: 0.5MHz-30MHz (theoretically the limit of SI5351 can be reached) Transmission: 1.8-30MHz (LPF limit) Receive: 100mA@Max Release time: 1A@Max Body Size: 50 x 20 x 80mm (W x H x L) (excluding protrusions) Weight: . 180g (main unit only) Output Power: 0.1-5W (SSB/CW) 0.1-5W (AM carrier) @ 12.6VDC Battery capacity: 1100mAh Note:(as follows) 1. The machine is optimized and modified according to the open source settings, and its performance and functions are fully compatible with the old design. More updated features are subject to the actual use of the firmware version. Those with skills can optimize, and it is recommended to post your hardware and software update records in open discussion groups. 2. Batteries are not included, please prepare a suitable power supply for use, and the power supply voltage should not exceed 12.6V Color:Black Material:Metal Package Contents: 1 set * Pocket Radio Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.