AT-309D 3W Digital Handheld Radio

Commercial, Small Size, Power Saving, Clear Voice

Support Digital/ Analog Modes

Multi-call Modes: Individual Call, Group Call, All Call, Emergency Call

Emergency Alarm: Local and Remote Alarm

Call Digital Encryption

Scan, TOT, Monitor Function

Whisper Function

Wide/Narrow Band Compatible

CTCSS/DCS Encoding and Decoding

Send Pre-defined Messages

LCD Display, Easier for Operation

Dual Charging Mode: USB Charge, Desktop Charge

General Specifications
Frequency Range	136-174MHz / 400-470MHz
Channel Capacity	256
Channel Spacing	12.5KHz/ 25KHz
Operating Voltage	DC3.7V±15%
Battery Pack	2200mAh(Li-ion)
Operating Temperature	-20℃~ +60℃
RF Power	3W/ 1W
4FSK Modulation Accuracy	≤5% @ 25℃, ≤10% @ Extreme Temperature
Adjacent Channel Power Ratio	≥65dB(Wide Band), ≥55dB(Narrow Band)
Analog Receiving Sensitivity	≤-121dBm
Digital Receiving Sensitivity	-117dBm(BER≤1%)
Audio Power	≥450mW(8Ω)
Dimension(W×H×D)	57mm × 118mm × 33mm
Weight	172g(With Battery and Antenna)

Type: AT-309D dpmr two way radio, walkie talkie, transceiver, interphone, 2 way radio

Color: black,

Weight: 0.5KG/SET

Using rechargeable walkie-talkie for the first time, please charge for 16 hours.

Turn off your computer before removing the battery.

Please do not use hand to pick up the antenna, hold the antenna will affect the effective wireless intercom call range.

Use the walkie-talkie, you should keep it vertical distance of 5.0 to 7.0 cm, and keep your face.

Please try to use while driving handsfree speaker and the closing words.

Keep your intercom televisions, computer monitors and other screen to maintain a distance greater than 10cm, to avoid being magnetized.

The interphone Do things together with other metal-containing storage.

Walkie-talkies may interfere with some hearing aids, with your hearing aid manufacturer to discuss alternatives.

Try to place in the medical walkie-talkie off, so as not to affect the use of medical equipment.

Do not use in airports and on aircraft. If so, prohibited driving the car to the side of the road and then.

In potentially explosive areas must remain shut down, unless it is dedicated intercom dangerous areas (for example, Factory Mutual, CAS, or UL certified).