Note: For the first time running GD-73's programming software, please make sure that you've installed the driver successfully and connected the radio to your PC, or it will be failed. About Radioddity GD-73A The GD-73A is a full-featured pocket DMR to take with you everywhere, featuring customizable side keys, 1024 channels, 3600mAh battery, digital & analog mode, high gain built-in antenna, easy-operation keypad, a mini body, a micro-USB cable for both charging and programming. It is a powerful and professional DMR for your daily outdoor and indoor operation. FCC & CE certified. The light-weight portability, high capacity battery, and user-customizable design all make it the perfect radio for both experienced and new HAM users. How to Program Radioddity GD-73A? - CLICK HERE to get programing software and guide. The difference between GD-73A and GD-73E Difference GD-73A GD-73E Frequency UHF 406.1-470MHz PMR446 (license-free) Power 2W/0.5W (high-low power) Fixed 0.5W Q: Why is there no license-free feature for the US version?A: FRS DMR is illegal in the US.Q: Is GD-73 a dual time slots radio?A: Yes, it's dual time slots and supports tier II.Q: How many contacts can I save in the flash memory?A: Up to 1024 digital contacts.Q: Does it apply the same CPS or codeplug as GD-77's?A: Nope. Highlight Features ▸ License-free PMR (GD-73E only): Equipped with fixed pre-programmed PMR 446 channels. ▸ High-low power (GD-73A only): The output power can be switched between "High" with 2W and "Low" with 500mW for each channel. ▸ Analog & digital modes: You can switch the working mode anytime to meet your different using requirements. ▸ Ideal for hotspot use: The GD-73 is ideal for normal use and for use in combination with your personal hotspot. ▸ Range Max Receiver: An advanced radio design and patented antenna which delivers enhanced range up to 8km (5 miles) while maintaining a slim profile and long battery life. ▸ Short Messaging Service (SMS): GD-73 can send and receive short text messages with a maximum length of 73 characters each. ▸ Compatible with MOTOTRBO ▸ 1024 channels and 64 zones ▸ Group call, private call, all call ▸ Digital encryption ▸ Wide/narrow band selection (analog mode) ▸ Programmable CTSS/DCS, Squelch, TOT, VOX, Encryption, Keypad Lock, Radio ID, Scan, etc Radio Features ▸ FCC & CE license certificated. ▸ Mini size and light weight: 4.5’’x 2’’x 1.3’’ (115mm x 50mm x 32mm), with only 0.33lb (148g). ▸ LCD backlight screen and compact keypad: Easily learn the radio situation and convenient operation through several buttons. ▸ 2-in-1 function micro-USB port: This time we combine both charging and programming functions into one USB port, this will greatly enhance the convenient use of the radio. ▸ 2 customizable keys: The GD-73 has two functional keys. Each can be assigned with a total of two functions like Activate, Monitor, Emergency On/Off, Scan, VOX, Push to Talk and so on, giving a total of four functions possible. ▸ 3600mAh Battery: Supports 48 hours of standby and up to 16 hours of continuous working time. ▸ IP54 Rated: Rugged and reliable, the GD-73 is splash proof and dustproof for use in harsh environments Specifications General Frequency range: GD-73A: 406.1-470MHz | GD-73E: PMR Number of channels: 1024 (in 64 zones of 16 channels each) Channel spacing: 12.5kHz (Digital Mode)| 25 KHz/12.5 KHz (Analog Mode) Operating voltage: DC 3.6V Battery capacity: 3600mAh standard Li-Ion Working temperature range: -30℃~+60℃ Storage temperature range: -40℃~+85℃ Antenna impedance: 50Ω Audio output power: ≤1W @16Ω Dimensions (H*W*D): 115mm* 50mm * 32mm Weight: 148g Transmitter RF output power: GD-73A: ≤2W | GD-73E: ≤500mW Frequency stability: ±1.0ppm Adjacent channel spurious: ≤60dB Free Time Slot Power: TDMA ≤ -57dBm Hum and Noise: [email protected] Spurious Radiation: Antenna 9kHz - 1GHz ≤-36dBm | 1GHz – 12.75GHz ≤-30dBm FM-Modulation: 12.5kHz: 11K0F3E 4FSK Digital Mode: 12.5kHz (data only): 7K60FXD | 12.5kHz (data + voice): 7K60FXE Modulation Maximum Deviation: [email protected] Nonactive Slot Power: ≤ -57dBm Digital Protocol ETSI TS 102 361-1 -2 -3 Vocoder Type: AMBE+2TM Audio Response: +1dB~-3dB Modulation BER (Bit Error Rate): ≤5% Receiver Analog sensitivity: 0.35µV/-116dBm (20dB SINAD) | 0.22µV/-120dBm (Typical) Digital sensitivity 0.3µV/-117.4dBm (BER 1%) | 0.22µV/-110dBm (BER 5%) Co-channel rejection: ≥-12dB Adjacent Channel Selectivity: TIA603C: 65dB | ETSI: 60dB Spurious Response: TIA603C: 75dB | ETSI: 70dB Audio output power: 1W Audio response: 1dB~-3dB Rated Audio Distortion: 3% (Typical) Spurious Radiation: Antenna: 9kHz - 1GHz ≤-57dBm | 1GHz – 12.75GHz ≤-47dBm Package Content: 1 x GD-73A/E Radio 1 x Li-ion battery 1 x Belt Clip (with two screws) 1 x Programming Cable (available for charging) 1 x Power Adapter 1 x Earpiece 1 x User Manual Note: The equipped programming cable does not support the Windows 11 system.