The transcevier is a micro-miniature multiband FM transceiver with extensive receive frequency coverage, providing local-area two-way amateur communications along with unmatched monitoring capability. 1. Upgrade the frame material. Metallic, more durable and more fashionable. 2. With full high two colors LED definition display, the screen exquisite clarity. 3. The new English, German, French instruction. More convenient and more humanized. 4. The New 2014 packing, more beautiful and quite well-done. 5. Serial number upgrade to 201204R37621 (Old serial number: 201206R09873) 6.3 key BFB upgrade to BFB 301 & continually updated 7.6 key*VER-05 upgrade to 120724A (Old 6 key*VER- 05: 120722 A) Dual-band / Dual-Display / Dual-Standby A/B band independent operation 128 groups channels storage Shortcut menu operation mode VFO & Memory channels scan Emergency Alarm Tri-color background light selectable 0~9 grades VOX selectable PTT & ANI ID FM radio and 25 stations storage Voice Companding 50 CTCSS/104 DCS PC programmable Wide/Narrow Band(25kHz/ 12.5 kHz) Transmitter time-out timer (TOT) High/Low TX power selectable Busy channel lock-out (BCLO) General Frequency Range 65-108MHz (FM Receive only) 144-148MHz, 420-450MHz (TX) | 144-148, 136-174MHz, 400-480MHz (RX) Channel No. 128 Frequency Stability ± 2.5 ppm Antenna High gain Dual-Band Antenna Antenna Impedance 50 Operating Voltage DC 7.4V Mode of operation Simple or semi-duplex Dimension (W x H x D) 100 x 52 x 32 mm Weight 250g (including battery, antenna) Transmitter Output power 4W / 1W (Max 5W) Modulation Mode 16kF3E / 11kF3E Maximum deviation