Product Specifications
| Prod Model: |
TM271A, TM471A |
Product Description
Mobile Radio TM271A, TM471A
GENERAL
Antenna Impedance 50 ohms
Current Drain Receive Less than 1 A
Current Drain Transmit Less than 13 A
Dimensions (W x H x D) 6.33 x 1.69 x 6.65 in. (161 x 43 x 169 mm)
Frequency Range TX: 144 - 148 MHz
RX: 136 - 174, 400-430, 440-480MHz
Ground Negative
Microphone Impedance 600 ohms
Frequency Tolerance ± 2.5 PPM -20° C to 60° C
Mode F3E (FM)
Operating Temperature Range -20° C to 60° C
Power Requirement 13.8V DC (± 15%)
Size (without projections) 6 5/16 x 1 11/16 x 5 13/32 inches (160x43x137 mm)
Weight (approx. ) 2.6 lbs. (1.2 kg)
RECEIVER
Audio Output Power More than 2W (8 ohms, 5% distortion)
Circuitry Double conversion superheterodyne
Intermediate Frequency 1st IF 49.95 MHz
Intermediate Frequency 2ND IF 450 KHz
Selectivity -6 dB More than 12 KHz
Selectivity -60 dB Less than 30 KHz
Sensitivity (12dB SINAD) Less than 0.18µ V
Squelch Sensitivity Less than 0.10µ V
TRANSMITTER
Frequency Tolerance Within ± 10 ppm
Maximum Frequency Deviation ± 5 KHz
Modulation Reactance modulation
Modulation Distortion Less than 3% (300 Hz ~ 3 KHz)
RF Output Power HI 60 W
RF Output Power LO 25 W
Specifications may be changed without notice.
Shenzhen Caforre Technology Co., Ltd is a professional manufacturer of AC Tubular Axial Fan, we are majored in producing, AC Tubular Axial Fan, inline duct fan, cross-flow fan, shaded pole motor, fans shield, voltage range AC24V-380V, double voltage and speed regulation fan. The main using is in ventilation, IT, machine, home appliances, power supply, welding machine, medical equipment, communication equipment, instrument measuring appliance, cabinet, electric radiator, water pump, wall stove, oven, air disinfect fresh machine, humidifier, refrigerator, store system, drying machine etc...
Our headquarters is located in Hengang of Shenzhen city, having a lot of products lines, and detection device, such as: Wind tunnel, wind pressure tester, mute room, dramatic balance of fan blades tester(forcedly supporting balance device, flexible supporting balance device), bearing tester, oven, vacuum dipping lacquer device, electrification coil temperature rising tester, electronic microscope, lathe etc. ., our testing all material, improving finished products quality control, and developing new products to meet clients all kinds of requirement.
To ensure the product quality, we implement ISO9001 standard, and has earned the confidence of the clients, as well as the recognition of the domestic & international safety agencies, such as CCC, UL, CE. We expect that high performance, short lead time, excellent service, reliable quality and competitive price will satisfy your needs.
