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Last modified 2024-09-07

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Midland/Alan 503 "SpeakEasy"

A picture of Midland/Alan 503 ''SpeakEasy''

SPECIFICATIONS

GENERAL
Type:License-free LPD transceiver
Frequency range:433.125, 433.800 & 434.775 MHz
Channels / tuning steps:3
Frequency stability:? ppm
Mode:FM
Memory channels / management:
Repeater shift / offset:Simplex only
Power supply:3.6-4.5 VDC (Three R6 / AA alkaline or rechargeable batteries)
Current drain / power consumption:RX: ? mA
TX: ? mA
Antenna impedance / connector:50 ohm / Non-removable antenna
Dimensions (W*H*D):50*95*25 mm (1.97*3.74*0.98")
Weight:100 g (3.53 oz), without batteries
Other features:VOX.




RECEIVER SECTION
Receiver system: ? conversion superheterodyne
Sensitivity:
Selectivity:
Image rejection:
AF output power / speaker:? mW at ?% distortion / ? ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:10 mW (ERP)
Modulation system:
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / ?
Microphone input level:? mV




MISCELLANEOUS
Manufactured:199x-200x (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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